diff --git a/.github/workflows/test-all-warehouses.yml b/.github/workflows/test-all-warehouses.yml
index 83e06b56c..89b077b59 100644
--- a/.github/workflows/test-all-warehouses.yml
+++ b/.github/workflows/test-all-warehouses.yml
@@ -49,7 +49,16 @@ jobs:
           ${{ inputs.dbt-version && fromJSON(format('["{0}"]', inputs.dbt-version)) ||
           fromJSON('["latest_official", "latest_pre"]') }}
         warehouse-type:
-          [postgres, clickhouse, trino, dremio, spark, duckdb, sqlserver]
+          [
+            postgres,
+            clickhouse,
+            trino,
+            dremio,
+            spark,
+            duckdb,
+            sqlserver,
+            vertica,
+          ]
         exclude:
           # latest_pre is only tested on postgres
           - dbt-version: latest_pre
@@ -64,6 +73,8 @@ jobs:
             warehouse-type: duckdb
           - dbt-version: latest_pre
             warehouse-type: sqlserver
+          - dbt-version: latest_pre
+            warehouse-type: vertica
     uses: ./.github/workflows/test-warehouse.yml
     with:
       warehouse-type: ${{ matrix.warehouse-type }}
diff --git a/.github/workflows/test-warehouse.yml b/.github/workflows/test-warehouse.yml
index baff275a6..b90c243be 100644
--- a/.github/workflows/test-warehouse.yml
+++ b/.github/workflows/test-warehouse.yml
@@ -20,6 +20,7 @@ on:
           - duckdb
           - sqlserver
           - fabric
+          - vertica
       elementary-ref:
         type: string
         required: false
@@ -151,8 +152,26 @@ jobs:
         if: startsWith(inputs.warehouse-type, 'databricks') && inputs.dbt-version < '1.7.0'
         run: pip install databricks-sql-connector==2.9.3
 
+      - name: Reject unsupported Vertica + Fusion combination
+        if: inputs.warehouse-type == 'vertica' && inputs.dbt-version == 'fusion'
+        run: |
+          echo "::error::dbt Fusion does not support third-party adapters such as dbt-vertica."
+          exit 1
+
+      - name: Install dbt-vertica
+        if: inputs.warehouse-type == 'vertica' && inputs.dbt-version != 'fusion'
+        run: |
+          # dbt-vertica pins dbt-core~=1.8 which lacks native support for the
+          # "arguments" test property used by the integration-test framework.
+          # Install dbt-vertica without deps, then install the requested
+          # dbt-core version separately (dbt-vertica works fine with newer
+          # dbt-core versions).
+          pip install dbt-vertica --no-deps
+          pip install vertica-python \
+            "dbt-core${{ (!startsWith(inputs.dbt-version, 'latest') && format('=={0}', inputs.dbt-version)) || '' }}"
+
       - name: Install dbt
-        if: ${{ inputs.dbt-version != 'fusion' }}
+        if: ${{ inputs.dbt-version != 'fusion' && inputs.warehouse-type != 'vertica' }}
         run:
           pip install${{ (inputs.dbt-version == 'latest_pre' && ' --pre') || '' }}
           "dbt-core${{ (!startsWith(inputs.dbt-version, 'latest') && format('=={0}', inputs.dbt-version)) || '' }}"
@@ -198,6 +217,18 @@ jobs:
           ln -sfn ${{ github.workspace }}/dbt-data-reliability dbt_project/dbt_packages/elementary
           pip install -r requirements.txt
 
+      - name: Start Vertica
+        if: inputs.warehouse-type == 'vertica'
+        working-directory: ${{ env.TESTS_DIR }}
+        run: docker compose -f docker-compose-vertica.yml up -d
+
+      - name: Wait for Vertica to be ready
+        if: inputs.warehouse-type == 'vertica'
+        run: |
+          echo "Waiting for Vertica to be healthy..."
+          timeout 60 bash -c 'until [ "$(docker inspect --format="{{.State.Health.Status}}" vertica)" == "healthy" ]; do echo "Waiting..."; sleep 5; done'
+          echo "Vertica is ready!"
+
       - name: Check DWH connection
         working-directory: ${{ env.TESTS_DIR }}
         run: |
diff --git a/.gitignore b/.gitignore
index d5c73ee4a..e11a772a8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@ dbt_internal_packages/
 logs/
 scripts/
 
+.github/fixtures/.user.yml
 .idea
 .DS_Store
 
diff --git a/integration_tests/dbt_project/macros/ci_schemas_cleanup/test_drop_stale_ci_schemas.sql b/integration_tests/dbt_project/macros/ci_schemas_cleanup/test_drop_stale_ci_schemas.sql
index 88006f3bb..b3165387d 100644
--- a/integration_tests/dbt_project/macros/ci_schemas_cleanup/test_drop_stale_ci_schemas.sql
+++ b/integration_tests/dbt_project/macros/ci_schemas_cleanup/test_drop_stale_ci_schemas.sql
@@ -98,3 +98,9 @@
     {% set safe_schema = schema_name | replace("`", "``") %}
     {% do run_query("CREATE DATABASE IF NOT EXISTS `" ~ safe_schema ~ "`") %}
 {% endmacro %}
+
+{% macro vertica__edr_create_schema(database, schema_name) %}
+    {#- Vertica DDL is auto-committed; an explicit adapter.commit() would
+        fail with "no transaction in progress". -#}
+    {% do run_query("CREATE SCHEMA IF NOT EXISTS " ~ schema_name) %}
+{% endmacro %}
diff --git a/integration_tests/dbt_project/macros/clear_env.sql b/integration_tests/dbt_project/macros/clear_env.sql
index de935417a..4ed014dd6 100644
--- a/integration_tests/dbt_project/macros/clear_env.sql
+++ b/integration_tests/dbt_project/macros/clear_env.sql
@@ -82,3 +82,9 @@
     {% do run_query("DROP SCHEMA IF EXISTS " ~ schema_name ~ " CASCADE") %}
     {% do adapter.commit() %}
 {% endmacro %}
+
+{% macro vertica__edr_drop_schema(database_name, schema_name) %}
+    {#- Vertica DDL is auto-committed; an explicit adapter.commit() would
+        fail with "no transaction in progress". -#}
+    {% do run_query("DROP SCHEMA IF EXISTS " ~ schema_name ~ " CASCADE") %}
+{% endmacro %}
diff --git a/integration_tests/dbt_project/macros/schema_utils/list_schemas.sql b/integration_tests/dbt_project/macros/schema_utils/list_schemas.sql
index e5986f810..7e1afe0c7 100644
--- a/integration_tests/dbt_project/macros/schema_utils/list_schemas.sql
+++ b/integration_tests/dbt_project/macros/schema_utils/list_schemas.sql
@@ -54,3 +54,12 @@
     {% for row in results %} {% do schemas.append(row[0]) %} {% endfor %}
     {% do return(schemas) %}
 {% endmacro %}
+
+{% macro vertica__edr_list_schemas(database) %}
+    {#- Vertica's v_catalog.schemata is scoped to the current database and
+        does not have a database_name filter column. -#}
+    {% set results = run_query("SELECT schema_name FROM v_catalog.schemata") %}
+    {% set schemas = [] %}
+    {% for row in results %} {% do schemas.append(row[0]) %} {% endfor %}
+    {% do return(schemas) %}
+{% endmacro %}
diff --git a/integration_tests/dbt_project/macros/schema_utils/schema_exists.sql b/integration_tests/dbt_project/macros/schema_utils/schema_exists.sql
index 06fab2592..eb65dba34 100644
--- a/integration_tests/dbt_project/macros/schema_utils/schema_exists.sql
+++ b/integration_tests/dbt_project/macros/schema_utils/schema_exists.sql
@@ -64,3 +64,14 @@
     {% set result = run_query("SHOW DATABASES LIKE '" ~ safe_schema ~ "'") %}
     {% do return(result | length > 0) %}
 {% endmacro %}
+
+{% macro vertica__edr_schema_exists(database, schema_name) %}
+    {#- Vertica's v_catalog.schemata is scoped to the current database. -#}
+    {% set safe_schema = schema_name | replace("'", "''") %}
+    {% set result = run_query(
+        "SELECT schema_name FROM v_catalog.schemata WHERE lower(schema_name) = lower('"
+        ~ safe_schema
+        ~ "')"
+    ) %}
+    {% do return(result | length > 0) %}
+{% endmacro %}
diff --git a/integration_tests/dbt_project/macros/vertica_seed_override.sql b/integration_tests/dbt_project/macros/vertica_seed_override.sql
new file mode 100644
index 000000000..ab9c3a25b
--- /dev/null
+++ b/integration_tests/dbt_project/macros/vertica_seed_override.sql
@@ -0,0 +1,23 @@
+{#- Override the dbt-vertica seed helper so that each seed file uses a
+    unique reject-table name.  The upstream macro hardcodes
+    ``seed_rejects`` for every seed, which causes "Object already exists"
+    errors when ``dbt seed`` processes more than one file. -#}
+{% macro copy_local_load_csv_rows(model, agate_table) %}
+    {% set cols_sql = get_seed_column_quoted_csv(model, agate_table.column_names) %}
+
+    {#- Build a per-seed reject table name so concurrent seeds don't clash. -#}
+    {% set reject_table = model["alias"] ~ "_rejects" %}
+
+    {% set sql %}
+        copy {{ this.render() }}
+        ({{ cols_sql }})
+        from local '{{ agate_table.original_abspath }}'
+        delimiter ','
+        enclosed by '"'
+        skip 1
+        abort on error
+        rejected data as table {{ this.without_identifier() }}.{{ reject_table }};
+    {% endset %}
+
+    {{ return(sql) }}
+{% endmacro %}
diff --git a/integration_tests/docker-compose-vertica.yml b/integration_tests/docker-compose-vertica.yml
new file mode 100644
index 000000000..d418d667a
--- /dev/null
+++ b/integration_tests/docker-compose-vertica.yml
@@ -0,0 +1,40 @@
+services:
+  vertica:
+    environment:
+      VERTICA_USER: dbadmin
+      VERTICA_PASS: vertica
+      VERTICA_HOST: localhost
+      VERTICA_PORT: 5433
+      VERTICA_DATABASE: elementary_tests
+      VERTICA_SCHEMA: ${SCHEMA_NAME}
+      APP_DB_USER: dbadmin
+      APP_DB_PASSWORD: vertica
+      TZ: "America/Los_Angeles"
+      VERTICA_DB_NAME: elementary_tests
+      VMART_ETL_SCRIPT: ""
+    container_name: vertica
+    image: ghcr.io/ratiopbc/vertica-ce
+    ports:
+      - "5433:5433"
+      - "5444:5444"
+    deploy:
+      mode: global
+    ulimits:
+      nofile:
+        soft: 65536
+        hard: 65536
+    volumes:
+      - type: volume
+        source: vertica-data
+        target: /data
+    healthcheck:
+      test:
+        [
+          "CMD-SHELL",
+          "/opt/vertica/bin/vsql -U dbadmin -w vertica -c 'SELECT 1;'",
+        ]
+      interval: 5s
+      timeout: 5s
+      retries: 10
+volumes:
+  vertica-data:
diff --git a/integration_tests/profiles/profiles.yml.j2 b/integration_tests/profiles/profiles.yml.j2
index e2f387847..86cf5eae7 100644
--- a/integration_tests/profiles/profiles.yml.j2
+++ b/integration_tests/profiles/profiles.yml.j2
@@ -75,6 +75,18 @@ elementary_tests:
       trust_cert: true
       threads: 4
 
+    vertica: &vertica
+      type: vertica
+      host: localhost
+      port: 5433
+      username: dbadmin
+      password: vertica
+      database: elementary_tests
+      schema: {{ schema_name }}
+      connection_load_balance: false
+      retries: 2
+      threads: 4
+
     # ── Cloud targets (secrets substituted at CI time) ─────────────────
 
     snowflake: &snowflake
@@ -150,7 +162,7 @@ elementary_tests:
 elementary:
   target: postgres
   outputs:
-{%- set targets = ['postgres', 'clickhouse', 'trino', 'dremio', 'spark', 'duckdb', 'sqlserver', 'snowflake', 'bigquery', 'redshift', 'databricks_catalog', 'athena', 'fabric'] %}
+{%- set targets = ['postgres', 'clickhouse', 'trino', 'dremio', 'spark', 'duckdb', 'sqlserver', 'vertica', 'snowflake', 'bigquery', 'redshift', 'databricks_catalog', 'athena', 'fabric'] %}
 {%- for t in targets %}
     {{ t }}:
       <<: *{{ t }}
diff --git a/integration_tests/tests/data_seeder.py b/integration_tests/tests/data_seeder.py
index 383e6d9b8..232afb665 100644
--- a/integration_tests/tests/data_seeder.py
+++ b/integration_tests/tests/data_seeder.py
@@ -4,7 +4,7 @@
 from contextlib import contextmanager
 from pathlib import Path
 from types import MappingProxyType
-from typing import TYPE_CHECKING, ClassVar, Dict, Generator, List, Mapping
+from typing import TYPE_CHECKING, ClassVar, Dict, Generator, List, Mapping, Optional
 
 from elementary.clients.dbt.base_dbt_runner import BaseDbtRunner
 from logger import get_logger
@@ -121,7 +121,7 @@ class BaseSqlInsertSeeder(ABC):
 
     def __init__(
         self,
-        query_runner: "AdapterQueryRunner",
+        query_runner: Optional["AdapterQueryRunner"],
         schema: str,
         seeds_dir_path: Path,
     ) -> None:
@@ -454,3 +454,119 @@ def _create_table_sql(self, fq_table: str, col_defs: str) -> str:
             f"CREATE TABLE {fq_table} ({col_defs}) "
             f"ENGINE = MergeTree() ORDER BY tuple()"
         )
+
+
+class VerticaDirectSeeder(BaseSqlInsertSeeder):
+    """Fast seeder for Vertica: executes CREATE TABLE + INSERT directly.
+
+    Bypasses ``dbt seed`` (which uses Vertica's COPY command) because COPY
+    rejects empty CSV fields for non-string columns instead of treating them
+    as NULL.  Direct INSERT statements handle NULL correctly.
+
+    Uses a *direct* ``vertica_python`` connection (rather than dbt's adapter
+    connection pool) so that all DDL + DML runs in a single session and can
+    be committed atomically.  dbt's ``connection_named`` context manager
+    releases (and effectively rolls back) the connection after each
+    ``execute_sql`` call, which caused INSERT data to be invisible to
+    subsequent ``dbt test`` sessions.
+
+    Vertica uses double-quote identifiers (not backticks), so this class
+    overrides the ``seed`` method to use ``"col"`` quoting.
+    """
+
+    def _type_string(self) -> str:
+        # Must match edr_type_string (varchar(16000)) so that schema-change
+        # detection sees a consistent type between seeded tables and
+        # elementary metadata columns.
+        return "VARCHAR(16000)"
+
+    def _type_boolean(self) -> str:
+        return "BOOLEAN"
+
+    def _type_integer(self) -> str:
+        return "INTEGER"
+
+    def _type_float(self) -> str:
+        return "FLOAT"
+
+    def _format_value(self, value: object, col_type: str) -> str:
+        if value is None or (isinstance(value, str) and value == ""):
+            return "NULL"
+        if isinstance(value, bool):
+            return "true" if value else "false"
+        if isinstance(value, (int, float)):
+            return str(value)
+        text = str(value)
+        text = text.replace("'", "''")
+        return f"'{text}'"
+
+    def _create_table_sql(self, fq_table: str, col_defs: str) -> str:
+        return f"CREATE TABLE {fq_table} ({col_defs})"
+
+    @staticmethod
+    def _vertica_connection():
+        """Open a direct vertica_python connection from env / defaults."""
+        import vertica_python  # available in the test venv
+
+        conn_info = {
+            "host": os.environ.get("VERTICA_HOST", "localhost"),
+            "port": int(os.environ.get("VERTICA_PORT", "5433")),
+            "user": os.environ.get("VERTICA_USER", "dbadmin"),
+            "password": os.environ.get("VERTICA_PASSWORD", "vertica"),
+            "database": os.environ.get("VERTICA_DATABASE", "elementary_tests"),
+        }
+        return vertica_python.connect(**conn_info)
+
+    @contextmanager
+    def seed(self, data: List[dict], table_name: str) -> Generator[None, None, None]:
+        """Override base seed to use double-quote identifiers for Vertica."""
+        if not data:
+            raise ValueError(f"Seed data for '{table_name}' must not be empty")
+        columns = list(data[0].keys())
+        col_types: Dict[str, str] = {
+            col: self._infer_column_type([row.get(col) for row in data])
+            for col in columns
+        }
+        # Vertica uses double-quote identifiers, not backticks.
+        col_defs = ", ".join(f'"{col}" {col_types[col]}' for col in columns)
+        fq_table = f'"{self._schema}"."{table_name}"'
+
+        seed_path = self._write_csv(data, table_name)
+
+        try:
+            # Use a direct connection so DDL + DML share the same session
+            # and the COMMIT is guaranteed to persist the data.
+            conn = self._vertica_connection()
+            try:
+                cur = conn.cursor()
+                cur.execute(f"DROP TABLE IF EXISTS {fq_table}")
+                cur.execute(self._create_table_sql(fq_table, col_defs))
+
+                for batch_start in range(0, len(data), _INSERT_BATCH_SIZE):
+                    batch = data[batch_start : batch_start + _INSERT_BATCH_SIZE]
+                    rows_sql = ", ".join(
+                        "("
+                        + ", ".join(
+                            self._format_value(row.get(c), col_types[c])
+                            for c in columns
+                        )
+                        + ")"
+                        for row in batch
+                    )
+                    cur.execute(f"INSERT INTO {fq_table} VALUES {rows_sql}")
+
+                conn.commit()
+            finally:
+                conn.close()
+
+            logger.info(
+                "%s: loaded %d rows into %s (%s)",
+                type(self).__name__,
+                len(data),
+                fq_table,
+                ", ".join(f"{c}: {t}" for c, t in col_types.items()),
+            )
+
+            yield
+        finally:
+            seed_path.unlink(missing_ok=True)
diff --git a/integration_tests/tests/dbt_project.py b/integration_tests/tests/dbt_project.py
index 67c4373da..af32b9ca5 100644
--- a/integration_tests/tests/dbt_project.py
+++ b/integration_tests/tests/dbt_project.py
@@ -7,7 +7,12 @@
 from uuid import uuid4
 
 from adapter_query_runner import AdapterQueryRunner, UnsupportedJinjaError
-from data_seeder import ClickHouseDirectSeeder, DbtDataSeeder, SparkS3CsvSeeder
+from data_seeder import (
+    ClickHouseDirectSeeder,
+    DbtDataSeeder,
+    SparkS3CsvSeeder,
+    VerticaDirectSeeder,
+)
 from dbt_utils import get_database_and_schema_properties
 from elementary.clients.dbt.base_dbt_runner import BaseDbtRunner
 from elementary.clients.dbt.factory import RunnerMethod, create_dbt_runner
@@ -357,7 +362,9 @@ def _read_profile_schema(self) -> str:
 
     def _create_seeder(
         self,
-    ) -> Union[DbtDataSeeder, ClickHouseDirectSeeder, SparkS3CsvSeeder]:
+    ) -> Union[
+        DbtDataSeeder, ClickHouseDirectSeeder, SparkS3CsvSeeder, VerticaDirectSeeder
+    ]:
         """Return the fastest available seeder for the current target."""
         if self.target == "clickhouse":
             runner = self._get_query_runner()
@@ -369,6 +376,14 @@ def _create_seeder(
             # set_from_args / reset_adapters).
             schema = self._read_profile_schema() + SCHEMA_NAME_SUFFIX
             return SparkS3CsvSeeder(schema, self.seeds_dir_path)
+        if self.target == "vertica":
+            # Vertica's COPY command (used by dbt seed) rejects empty CSV
+            # fields for non-string columns.  Use direct INSERT instead.
+            # Read schema from profiles directly (like Spark) to avoid
+            # initialising an AdapterQueryRunner we don't need — Vertica
+            # uses a direct vertica_python connection, not the dbt adapter.
+            schema = self._read_profile_schema() + SCHEMA_NAME_SUFFIX
+            return VerticaDirectSeeder(None, schema, self.seeds_dir_path)
         return DbtDataSeeder(
             self.dbt_runner, self.project_dir_path, self.seeds_dir_path
         )
diff --git a/macros/edr/data_monitoring/anomaly_detection/get_anomaly_scores_query.sql b/macros/edr/data_monitoring/anomaly_detection/get_anomaly_scores_query.sql
index 5c3eeacdd..3e76e3dab 100644
--- a/macros/edr/data_monitoring/anomaly_detection/get_anomaly_scores_query.sql
+++ b/macros/edr/data_monitoring/anomaly_detection/get_anomaly_scores_query.sql
@@ -262,10 +262,10 @@
                 column_name,
                 metric_name,
                 case
-                    when training_stddev is null then null
+                    when {{ elementary.edr_normalize_stddev('training_stddev') }} is null then null
                     when training_set_size = 1 then null  -- Single value case - no historical context for anomaly detection
-                    when training_stddev = 0 then 0  -- Stationary data case - valid, all values are identical
-                    else (metric_value - training_avg) / (training_stddev)
+                    when {{ elementary.edr_normalize_stddev('training_stddev') }} = 0 then 0  -- Stationary data case - valid, all values are identical
+                    else (metric_value - training_avg) / ({{ elementary.edr_normalize_stddev('training_stddev') }})
                 end as anomaly_score,
                 {{ test_configuration.anomaly_sensitivity }} as anomaly_score_threshold,
                 source_value as anomalous_value,
@@ -276,16 +276,16 @@
                 
                 {% set limit_values =  elementary.get_limit_metric_values(test_configuration) %}
                 case
-                    when training_stddev is null or training_set_size = 1 then null
+                    when {{ elementary.edr_normalize_stddev('training_stddev') }} is null or training_set_size = 1 then null
                     when {{ limit_values.min_metric_value }} > 0 or metric_name in {{ elementary.to_sql_list(elementary.get_negative_value_supported_metrics()) }} then {{ limit_values.min_metric_value }}
                     else 0
                 end as min_metric_value,
                 case 
-                    when training_stddev is null or training_set_size = 1 then null
+                    when {{ elementary.edr_normalize_stddev('training_stddev') }} is null or training_set_size = 1 then null
                     else {{ limit_values.max_metric_value }}
                 end as max_metric_value,
                 training_avg,
-                training_stddev,
+                {{ elementary.edr_normalize_stddev('training_stddev') }} as training_stddev,
                 training_set_size,
                 {{ elementary.edr_cast_as_timestamp('training_start') }} as training_start,
                 {{ elementary.edr_cast_as_timestamp('training_end') }} as training_end,
@@ -307,8 +307,9 @@
 {% endmacro %}
 
 {% macro get_limit_metric_values(test_configuration) %}
+    {%- set normalized_stddev = elementary.edr_normalize_stddev("training_stddev") -%}
     {%- set min_val -%}
-      ((-1) * {{ test_configuration.anomaly_sensitivity }} * training_stddev + training_avg)
+      ((-1) * {{ test_configuration.anomaly_sensitivity }} * {{ normalized_stddev }} + training_avg)
     {%- endset -%}
 
     {% if test_configuration.ignore_small_changes.drop_failure_percent_threshold %}
@@ -321,7 +322,7 @@
     {% endif %}
 
     {%- set max_val -%}
-      ({{ test_configuration.anomaly_sensitivity }} * training_stddev + training_avg)
+      ({{ test_configuration.anomaly_sensitivity }} * {{ normalized_stddev }} + training_avg)
     {%- endset -%}
 
     {% if test_configuration.ignore_small_changes.spike_failure_percent_threshold %}
diff --git a/macros/edr/data_monitoring/monitors/column_numeric_monitors.sql b/macros/edr/data_monitoring/monitors/column_numeric_monitors.sql
index 1618bb205..7eb82c77c 100644
--- a/macros/edr/data_monitoring/monitors/column_numeric_monitors.sql
+++ b/macros/edr/data_monitoring/monitors/column_numeric_monitors.sql
@@ -86,3 +86,20 @@
 {% macro sum(column_name) -%}
     sum(cast({{ column_name }} as {{ elementary.edr_type_float() }}))
 {%- endmacro %}
+
+{#- edr_normalize_stddev – post-process a stddev column reference so that
+    floating-point artefacts (tiny non-zero values for constant inputs) are
+    cleaned up.  The default implementation is the identity function; Vertica
+    overrides it with round() because its STDDEV can return ~4e-08 for
+    perfectly identical values. -#}
+{% macro edr_normalize_stddev(column_expr) -%}
+    {{ adapter.dispatch("edr_normalize_stddev", "elementary")(column_expr) }}
+{%- endmacro %}
+
+{% macro default__edr_normalize_stddev(column_expr) -%}
+    {{ column_expr }}
+{%- endmacro %}
+
+{% macro vertica__edr_normalize_stddev(column_expr) -%}
+    round({{ column_expr }}, 6)
+{%- endmacro %}
diff --git a/macros/edr/dbt_artifacts/upload_run_results.sql b/macros/edr/dbt_artifacts/upload_run_results.sql
index bef9794c1..251f9737b 100644
--- a/macros/edr/dbt_artifacts/upload_run_results.sql
+++ b/macros/edr/dbt_artifacts/upload_run_results.sql
@@ -124,4 +124,12 @@
     {% do flattened_node.update(
         {"compiled_code": elementary.get_compiled_code_too_long_err_msg()}
     ) %}
+    {#- On adapters with limited string-literal / varchar sizes (e.g. Vertica
+        65 000 bytes) the error *message* can also embed the full compiled SQL,
+        making the INSERT statement exceed the adapter's limits.  Truncate the
+        message so the row can still be persisted. -#}
+    {% set msg = flattened_node.get("message", "") %}
+    {% if msg is string and msg | length > 4096 %}
+        {% do flattened_node.update({"message": msg[:4096] ~ "... (truncated)"}) %}
+    {% endif %}
 {% endmacro %}
diff --git a/macros/edr/system/system_utils/buckets_cte.sql b/macros/edr/system/system_utils/buckets_cte.sql
index b45b2b999..a775b40f0 100644
--- a/macros/edr/system/system_utils/buckets_cte.sql
+++ b/macros/edr/system/system_utils/buckets_cte.sql
@@ -257,6 +257,29 @@
     {{ return(complete_buckets_cte) }}
 {% endmacro %}
 
+{% macro vertica__complete_buckets_cte(
+    time_bucket,
+    bucket_end_expr,
+    min_bucket_start_expr,
+    max_bucket_end_expr
+) -%}
+    {%- set complete_buckets_cte %}
+        with integers as (
+            select (row_number() over (order by t1.v, t2.v, t3.v, t4.v)) - 1 as num
+            from (select 1 union all select 2 union all select 3 union all select 4 union all select 5 union all select 6 union all select 7 union all select 8 union all select 9 union all select 10) t1(v)
+            cross join (select 1 union all select 2 union all select 3 union all select 4 union all select 5 union all select 6 union all select 7 union all select 8 union all select 9 union all select 10) t2(v)
+            cross join (select 1 union all select 2 union all select 3 union all select 4 union all select 5 union all select 6 union all select 7 union all select 8 union all select 9 union all select 10) t3(v)
+            cross join (select 1 union all select 2 union all select 3 union all select 4 union all select 5 union all select 6 union all select 7 union all select 8 union all select 9 union all select 10) t4(v)
+        )
+        select
+            {{ elementary.edr_timeadd(time_bucket.period, 'num * ' ~ time_bucket.count, min_bucket_start_expr) }} as edr_bucket_start,
+            {{ elementary.edr_timeadd(time_bucket.period, '(num + 1) * ' ~ time_bucket.count, min_bucket_start_expr) }} as edr_bucket_end
+        from integers
+        where {{ elementary.edr_timeadd(time_bucket.period, '(num + 1) * ' ~ time_bucket.count, min_bucket_start_expr) }} <= {{ max_bucket_end_expr }}
+    {%- endset %}
+    {{ return(complete_buckets_cte) }}
+{% endmacro %}
+
 {% macro dremio__complete_buckets_cte(
     time_bucket, bucket_end_expr, min_bucket_start_expr, max_bucket_end_expr
 ) %}
diff --git a/macros/edr/system/system_utils/empty_table.sql b/macros/edr/system/system_utils/empty_table.sql
index 9ddcb055f..8a4deea37 100644
--- a/macros/edr/system/system_utils/empty_table.sql
+++ b/macros/edr/system/system_utils/empty_table.sql
@@ -150,7 +150,7 @@
     {%- set empty_table_query -%}
         select * from (
             select
-            {% for column in column_name_and_type_list %}
+            {%- for column in column_name_and_type_list -%}
                 {{ elementary.empty_column(column[0], column[1]) }} {%- if not loop.last -%},{%- endif %}
             {%- endfor %}
         ) as empty_table
diff --git a/macros/edr/system/system_utils/full_names.sql b/macros/edr/system/system_utils/full_names.sql
index 00e7cdc2a..6cdd1e6b6 100644
--- a/macros/edr/system/system_utils/full_names.sql
+++ b/macros/edr/system/system_utils/full_names.sql
@@ -15,6 +15,14 @@
     upper({{ alias_dot }}schema_name || '.' || {{ alias_dot }}table_name)
 {%- endmacro %}
 
+{% macro vertica__full_table_name(alias) -%}
+    {# Vertica: upper() doubles varchar byte-length; cast to varchar(1000) first to stay under 65000 limit #}
+    {% if alias is defined %} {%- set alias_dot = alias ~ "." %} {% endif %}
+    upper(cast(
+        {{ alias_dot }}database_name || '.' || {{ alias_dot }}schema_name || '.' || {{ alias_dot }}table_name
+    as varchar(1000)))
+{%- endmacro %}
+
 
 {% macro full_schema_name() -%}
     {{ adapter.dispatch("full_schema_name", "elementary")() }}
@@ -29,6 +37,11 @@
     upper(schema_name)
 {%- endmacro %}
 
+{% macro vertica__full_schema_name() -%}
+    {# Vertica: upper() doubles varchar byte-length; cast first to stay under 65000 limit #}
+    upper(cast(database_name || '.' || schema_name as varchar(1000)))
+{%- endmacro %}
+
 
 {% macro full_column_name() -%}
     {{ adapter.dispatch("full_column_name", "elementary")() }}
@@ -45,11 +58,28 @@
     upper(schema_name || '.' || table_name || '.' || column_name)
 {%- endmacro %}
 
+{% macro vertica__full_column_name() -%}
+    {# Vertica: upper() doubles varchar byte-length; cast first to stay under 65000 limit #}
+    upper(cast(
+        database_name || '.' || schema_name || '.' || table_name || '.' || column_name
+    as varchar(1000)))
+{%- endmacro %}
+
 
 {% macro full_name_split(part_name) %}
     {{ adapter.dispatch("full_name_split", "elementary")(part_name) }}
 {% endmacro %}
 
+{% macro vertica__full_name_split(part_name) %}
+    {# Vertica supports split_part (1-based index) but not array subscript syntax #}
+    {%- if part_name == "database_name" -%} {%- set part_index = 1 -%}
+    {%- elif part_name == "schema_name" -%} {%- set part_index = 2 -%}
+    {%- elif part_name == "table_name" -%} {%- set part_index = 3 -%}
+    {%- else -%} {{ return("") }}
+    {%- endif -%}
+    trim(both '"' from split_part(full_table_name, '.', {{ part_index }})) as {{ part_name }}
+{% endmacro %}
+
 
 {% macro default__full_name_split(part_name) %}
     {%- if part_name == "database_name" -%} {%- set part_index = 0 -%}
diff --git a/macros/edr/system/system_utils/get_config_var.sql b/macros/edr/system/system_utils/get_config_var.sql
index 10e9f7501..4d82741aa 100644
--- a/macros/edr/system/system_utils/get_config_var.sql
+++ b/macros/edr/system/system_utils/get_config_var.sql
@@ -171,6 +171,15 @@
     {{- return(default_config) -}}
 {%- endmacro -%}
 
+{%- macro vertica__get_default_config() -%}
+    {% set default_config = elementary.default__get_default_config() %}
+    {# Reduce batch INSERT query size from default 1,000,000 to avoid
+       overwhelming Vertica with very large single statements.  Individual
+       column values are bounded by edr_type_long_string (varchar(32000)). #}
+    {% do default_config.update({"query_max_size": 250000}) %}
+    {{- return(default_config) -}}
+{%- endmacro -%}
+
 {%- macro dremio__get_default_config() -%}
     {% set default_config = elementary.default__get_default_config() %}
     {% do default_config.update({"dbt_artifacts_chunk_size": 100}) %}
diff --git a/macros/utils/cross_db_utils/day_of_week.sql b/macros/utils/cross_db_utils/day_of_week.sql
index 212857263..88bec3caa 100644
--- a/macros/utils/cross_db_utils/day_of_week.sql
+++ b/macros/utils/cross_db_utils/day_of_week.sql
@@ -63,6 +63,10 @@
     to_char({{ date_expr }}, 'DAY')
 {% endmacro %}
 
+{% macro vertica__edr_day_of_week_expression(date_expr) %}
+    trim(' ' from to_char({{ date_expr }}, 'Day'))
+{% endmacro %}
+
 {% macro fabric__edr_day_of_week_expression(date_expr) %}
     cast(datename(weekday, {{ date_expr }}) as varchar(30))
 {% endmacro %}
diff --git a/macros/utils/cross_db_utils/hour_of_week.sql b/macros/utils/cross_db_utils/hour_of_week.sql
index a4758f395..632c503bf 100644
--- a/macros/utils/cross_db_utils/hour_of_week.sql
+++ b/macros/utils/cross_db_utils/hour_of_week.sql
@@ -78,6 +78,17 @@
 {% endmacro %}
 -- fmt: on
 
+{% macro vertica__edr_hour_of_week_expression(date_expr) %}
+    concat(
+        cast(
+            trim(
+                ' ' from to_char({{ date_expr }}, 'Day')
+            ) as {{ elementary.edr_type_string() }}
+        ),
+        cast(extract(hour from {{ date_expr }}) as {{ elementary.edr_type_string() }})
+    )
+{% endmacro %}
+
 {% macro fabric__edr_hour_of_week_expression(date_expr) %}
     concat(
         cast(datename(weekday, {{ date_expr }}) as {{ elementary.edr_type_string() }}),
diff --git a/macros/utils/cross_db_utils/target_database.sql b/macros/utils/cross_db_utils/target_database.sql
index 5361f5d86..e1653732b 100644
--- a/macros/utils/cross_db_utils/target_database.sql
+++ b/macros/utils/cross_db_utils/target_database.sql
@@ -26,3 +26,5 @@
 {% macro fabric__target_database() %} {% do return(target.database) %} {% endmacro %}
 
 {% macro sqlserver__target_database() %} {% do return(target.database) %} {% endmacro %}
+
+{% macro vertica__target_database() %} {% do return(target.database) %} {% endmacro %}
diff --git a/macros/utils/cross_db_utils/timeadd.sql b/macros/utils/cross_db_utils/timeadd.sql
index 08e7465c0..87a1d9b18 100644
--- a/macros/utils/cross_db_utils/timeadd.sql
+++ b/macros/utils/cross_db_utils/timeadd.sql
@@ -43,6 +43,14 @@
     + {{ elementary.edr_cast_as_int(number) }} * interval '1 {{ date_part }}'
 {% endmacro %}
 
+{% macro vertica__edr_timeadd(date_part, number, timestamp_expression) %}
+    timestampadd(
+        {{ date_part | upper }},
+        {{ elementary.edr_cast_as_int(number) }},
+        {{ elementary.edr_cast_as_timestamp(timestamp_expression) }}
+    )
+{% endmacro %}
+
 {% macro redshift__edr_timeadd(date_part, number, timestamp_expression) %}
     dateadd(
         {{ date_part }},
diff --git a/macros/utils/data_types/data_type.sql b/macros/utils/data_types/data_type.sql
index 96a371b1d..0dc45d9b3 100644
--- a/macros/utils/data_types/data_type.sql
+++ b/macros/utils/data_types/data_type.sql
@@ -48,6 +48,8 @@
 
 {% macro fabric__edr_type_string() %} {% do return("varchar(4096)") %} {% endmacro %}
 
+{% macro vertica__edr_type_string() %} {% do return("varchar(16000)") %} {% endmacro %}
+
 
 {%- macro edr_type_long_string() -%}
     {{ return(adapter.dispatch("edr_type_long_string", "elementary")()) }}
@@ -69,6 +71,14 @@
     {% set long_string = "text" %} {{ return(long_string) }}
 {%- endmacro -%}
 
+{#- Vertica note: edr_type_string uses varchar(16000) because Vertica's
+    lower()/upper() double the byte-length.  16000 * 2 = 32000, safely
+    under the 65000 octet limit even when the function is applied twice
+    (e.g. lower(lower(col)) in nested subqueries). -#}
+{%- macro vertica__edr_type_long_string() -%}
+    {% do return("varchar(32000)") %}
+{%- endmacro -%}
+
 {#- T-SQL: varchar(4096) is too small for compiled query text.
     Use varchar(max) which supports up to 2 GB. -#}
 {%- macro fabric__edr_type_long_string() -%}
diff --git a/macros/utils/data_types/get_normalized_data_type.sql b/macros/utils/data_types/get_normalized_data_type.sql
index c4a24fda7..aca2baa03 100644
--- a/macros/utils/data_types/get_normalized_data_type.sql
+++ b/macros/utils/data_types/get_normalized_data_type.sql
@@ -210,6 +210,19 @@
     {%- endif %}
 {% endmacro %}
 
+{% macro vertica__get_normalized_data_type(exact_data_type) %}
+    {# Vertica reports types like VARCHAR(16000), INT, BOOLEAN.
+       Normalize to match the canonical names used in test baselines and
+       other adapters. #}
+    {%- if exact_data_type.startswith("VARCHAR") or exact_data_type.startswith(
+        "CHAR"
+    ) or exact_data_type == "LONG VARCHAR" %}
+        {{ return("TEXT") }}
+    {%- elif exact_data_type == "INT" %} {{ return("INTEGER") }}
+    {%- else %} {{ return(exact_data_type) }}
+    {%- endif %}
+{% endmacro %}
+
 {% macro postgres__get_normalized_data_type(exact_data_type) %}
     {# understanding Postgres data type synonyms:
  https://www.postgresql.org/docs/current/datatype.html #}
diff --git a/macros/utils/table_operations/get_relation_max_length.sql b/macros/utils/table_operations/get_relation_max_length.sql
index 7dfaf4a2c..02e9577f1 100644
--- a/macros/utils/table_operations/get_relation_max_length.sql
+++ b/macros/utils/table_operations/get_relation_max_length.sql
@@ -39,6 +39,10 @@
     {{ return(128) }}
 {% endmacro %}
 
+{% macro vertica__get_relation_max_name_length(temporary, relation, sql_query) %}
+    {{ return(128) }}
+{% endmacro %}
+
 {% macro fabric__get_relation_max_name_length(temporary, relation, sql_query) %}
     {# SQL Server / Fabric limits identifiers to 128 chars.  dbt-sqlserver
        may prefix the schema name onto the table identifier when creating
diff --git a/macros/utils/table_operations/insert_rows.sql b/macros/utils/table_operations/insert_rows.sql
index da23e9c5a..28ade72da 100644
--- a/macros/utils/table_operations/insert_rows.sql
+++ b/macros/utils/table_operations/insert_rows.sql
@@ -242,6 +242,10 @@
     {{- return(string_value | replace("'", "''")) -}}
 {%- endmacro -%}
 
+{%- macro vertica__escape_special_chars(string_value) -%}
+    {{- return(string_value | replace("'", "''")) -}}
+{%- endmacro -%}
+
 {%- macro athena__escape_special_chars(string_value) -%}
     {{- return(string_value | replace("'", "''")) -}}
 {%- endmacro -%}
diff --git a/models/edr/data_monitoring/anomaly_detection/metrics_anomaly_score.sql b/models/edr/data_monitoring/anomaly_detection/metrics_anomaly_score.sql
index 8f9b8b42c..6bdee2ce7 100644
--- a/models/edr/data_monitoring/anomaly_detection/metrics_anomaly_score.sql
+++ b/models/edr/data_monitoring/anomaly_detection/metrics_anomaly_score.sql
@@ -64,13 +64,15 @@ with
         select
             *,
             case
-                when training_stddev is null
+                when {{ elementary.edr_normalize_stddev("training_stddev") }} is null
                 then null
                 when training_set_size = 1
                 then null  -- Single value case - no historical context for anomaly detection
-                when training_stddev = 0
+                when {{ elementary.edr_normalize_stddev("training_stddev") }} = 0
                 then 0  -- Stationary data case - valid, all values are identical
-                else (metric_value - training_avg) / (training_stddev)
+                else
+                    (metric_value - training_avg)
+                    / ({{ elementary.edr_normalize_stddev("training_stddev") }})
             end as anomaly_score
         from time_window_aggregation