adding file stracture and sql fine info , and relationship

explore_database/inventory/inventory.sql

@@ -593,7 +593,7 @@ SELECT
 FROM bronze.inventory_snapshots ;
 
 --#############################################################################################
---############################## EMPLOYEE CLEAN DATA ##########################################
+--############################## INVENTORY CLEAN DATA ##########################################
 --#############################################################################################
 
 SELECT 

explore_database/transactions/transactions.sql

@@ -281,4 +281,7 @@ FROM
 )
 SELECT 
     *
-FROM clean_transaction ;
+FROM clean_transaction ;
+
+
+SELECT TOP 10 * FROM bronze.sales_transactions ;

explore_database/transactions/transction.sql

@@ -0,0 +1,63 @@
+--#############################################################################
+-- Staging Model: src_transactions
+-- Purpose: Clean and deduplicate raw bronze.sales_transactions
+--#############################################################################
+
+WITH source AS (
+    SELECT *
+    FROM {{ source('bronze', 'sales_transactions') }}
+),
+
+deduplicated AS (
+    SELECT *,
+        ROW_NUMBER() OVER (
+            PARTITION BY transaction_id
+            ORDER BY transaction_id
+        ) AS _row_flag
+    FROM source
+    WHERE transaction_id IS NOT NULL
+)
+
+SELECT
+    UPPER(TRIM(transaction_id)) AS transaction_id,
+
+    CASE WHEN TRY_CAST(order_id AS INT) IS NULL OR LEN(TRIM(order_id)) < 5 THEN NULL ELSE TRY_CAST(order_id AS INT) END AS order_id,
+
+    TRY_CAST(order_line_number AS INT) AS order_line_number,
+
+    CASE
+        WHEN TRIM(order_date) LIKE '[A-Z][a-z][a-z][a-z]% __, ____' THEN TRY_CONVERT(DATE, order_date)
+        WHEN TRIM(order_date) LIKE '[A-Z][a-z][a-z] __, ____'       THEN TRY_CONVERT(DATE, order_date)
+        WHEN TRIM(order_date) LIKE '____-__-__'                     THEN TRY_CONVERT(DATE, order_date)
+        WHEN TRIM(order_date) LIKE '____/__/__'                     THEN TRY_CONVERT(DATE, order_date)
+        WHEN TRIM(order_date) LIKE '__/__/____'
+            AND TRY_CONVERT(INT, SUBSTRING(TRIM(order_date), 4, 2)) > 12 THEN TRY_CONVERT(DATE, order_date, 101)
+        WHEN TRIM(order_date) LIKE '__/__/____'
+            AND TRY_CONVERT(INT, LEFT(TRIM(order_date), 2)) > 12         THEN TRY_CONVERT(DATE, order_date, 103)
+        WHEN TRIM(order_date) LIKE '__-__-____'
+            AND TRY_CONVERT(INT, SUBSTRING(TRIM(order_date), 4, 2)) > 12 THEN TRY_CONVERT(DATE, order_date, 110)
+        WHEN TRIM(order_date) LIKE '__-__-____'
+            AND TRY_CONVERT(INT, LEFT(TRIM(order_date), 2)) > 12         THEN TRY_CONVERT(DATE, order_date, 105)
+        ELSE TRY_CONVERT(DATE, order_date)
+    END AS order_date,
+
+    order_year, order_month, order_month_name, order_quarter, order_day_of_week,
+    TRY_CAST(customer_id AS INT) AS customer_id,
+    customer_full_name, customer_first_name, customer_last_name, customer_email,
+    customer_phone, customer_city, customer_state,
+    CASE WHEN TRY_CAST(customer_zip AS INT) IS NULL OR LEN(customer_zip) != 5 THEN NULL ELSE TRY_CAST(customer_zip AS INT) END AS customer_zip,
+    customer_region, customer_segment, customer_gender, customer_age, customer_age_group,
+    product_id, product_name, sku, brand, category, sub_category, department,
+    quantity_ordered,
+    unit_list_price, discount_pct, unit_selling_price,
+    line_total_before_tax, tax_rate_pct, tax_amount, line_total_with_tax,
+    store_id, store_name, store_city, store_state, store_region, store_type,
+    employee_id, employee_name, employee_job_title,
+    promo_id, promo_name,
+    LOWER(TRIM(sales_channel)) AS sales_channel,
+    payment_method, shipping_method, order_status, is_returned,
+    cost_price, gross_profit, data_source, record_created_ts, last_modified_ts
+FROM deduplicated
+WHERE _row_flag = 1;
+
+

venv/bin/activate

@@ -36,17 +36,17 @@ deactivate () {
 deactivate nondestructive
 
 # on Windows, a path can contain colons and backslashes and has to be converted:
-if [ "$OSTYPE" = "cygwin" ] || [ "$OSTYPE" = "msys" ] ; then
+if [ "${OSTYPE:-}" = "cygwin" ] || [ "${OSTYPE:-}" = "msys" ] ; then
     # transform D:\path\to\venv to /d/path/to/venv on MSYS
     # and to /cygdrive/d/path/to/venv on Cygwin
-    export VIRTUAL_ENV=$(cygpath "/workspaces/dbt_learning_project/venv")
+    export VIRTUAL_ENV=$(cygpath /home/ritik/dbt_learning_project/venv)
 else
     # use the path as-is
-    export VIRTUAL_ENV="/workspaces/dbt_learning_project/venv"
+    export VIRTUAL_ENV=/home/ritik/dbt_learning_project/venv
 fi
 
 _OLD_VIRTUAL_PATH="$PATH"
-PATH="$VIRTUAL_ENV/bin:$PATH"
+PATH="$VIRTUAL_ENV/"bin":$PATH"
 export PATH
 
 # unset PYTHONHOME if set
@@ -59,9 +59,9 @@ fi
 
 if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then
     _OLD_VIRTUAL_PS1="${PS1:-}"
-    PS1="(venv) ${PS1:-}"
+    PS1='(venv) '"${PS1:-}"
     export PS1
-    VIRTUAL_ENV_PROMPT="(venv) "
+    VIRTUAL_ENV_PROMPT='(venv) '
     export VIRTUAL_ENV_PROMPT
 fi
 

venv/bin/activate.csh

@@ -9,17 +9,17 @@ alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PA
 # Unset irrelevant variables.
 deactivate nondestructive
 
-setenv VIRTUAL_ENV "/workspaces/dbt_learning_project/venv"
+setenv VIRTUAL_ENV /home/ritik/dbt_learning_project/venv
 
 set _OLD_VIRTUAL_PATH="$PATH"
-setenv PATH "$VIRTUAL_ENV/bin:$PATH"
+setenv PATH "$VIRTUAL_ENV/"bin":$PATH"
 
 
 set _OLD_VIRTUAL_PROMPT="$prompt"
 
 if (! "$?VIRTUAL_ENV_DISABLE_PROMPT") then
-    set prompt = "(venv) $prompt"
-    setenv VIRTUAL_ENV_PROMPT "(venv) "
+    set prompt = '(venv) '"$prompt"
+    setenv VIRTUAL_ENV_PROMPT '(venv) '
 endif
 
 alias pydoc python -m pydoc

venv/bin/activate.fish

@@ -33,10 +33,10 @@ end
 # Unset irrelevant variables.
 deactivate nondestructive
 
-set -gx VIRTUAL_ENV "/workspaces/dbt_learning_project/venv"
+set -gx VIRTUAL_ENV /home/ritik/dbt_learning_project/venv
 
 set -gx _OLD_VIRTUAL_PATH $PATH
-set -gx PATH "$VIRTUAL_ENV/bin" $PATH
+set -gx PATH "$VIRTUAL_ENV/"bin $PATH
 
 # Unset PYTHONHOME if set.
 if set -q PYTHONHOME
@@ -56,7 +56,7 @@ if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
         set -l old_status $status
 
         # Output the venv prompt; color taken from the blue of the Python logo.
-        printf "%s%s%s" (set_color 4B8BBE) "(venv) " (set_color normal)
+        printf "%s%s%s" (set_color 4B8BBE) '(venv) ' (set_color normal)
 
         # Restore the return status of the previous command.
         echo "exit $old_status" | .
@@ -65,5 +65,5 @@ if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
     end
 
     set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
-    set -gx VIRTUAL_ENV_PROMPT "(venv) "
+    set -gx VIRTUAL_ENV_PROMPT '(venv) '
 end