docs: Re-execute notebooks with TLS disabled, add execution script

- Re-run all notebooks against PostgreSQL with DJ_USE_TLS=false
- Removes SSL connection warning from notebook outputs
- Add scripts/execute-notebooks.sh for reproducible notebook execution

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: dimitri-yatsenko

scripts/execute-notebooks.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+# Execute all tutorial notebooks with outputs saved
+# Uses PostgreSQL backend with TLS disabled to avoid SSL warnings in output
+
+set -e
+
+cd "$(dirname "$0")/.."
+
+# Database connection settings for PostgreSQL
+export DJ_HOST=localhost
+export DJ_PORT=5432
+export DJ_USER=postgres
+export DJ_PASS=tutorial
+export DJ_BACKEND=postgresql
+export DJ_USE_TLS=false
+
+echo "Executing tutorials with PostgreSQL backend..."
+echo "  Host: $DJ_HOST:$DJ_PORT"
+echo "  User: $DJ_USER"
+echo "  Backend: $DJ_BACKEND"
+echo "  TLS: disabled"
+echo ""
+
+# Execute all tutorial notebooks
+echo "Executing basics tutorials..."
+jupyter nbconvert --to notebook --execute --inplace src/tutorials/basics/*.ipynb
+
+echo "Executing advanced tutorials..."
+jupyter nbconvert --to notebook --execute --inplace src/tutorials/advanced/*.ipynb
+
+echo "Executing domain tutorials..."
+for dir in src/tutorials/domain/*/; do
+    echo "  Executing $dir..."
+    jupyter nbconvert --to notebook --execute --inplace "$dir"*.ipynb
+done
+
+echo "Executing how-to notebooks..."
+jupyter nbconvert --to notebook --execute --inplace src/how-to/*.ipynb
+
+echo ""
+echo "All notebooks executed successfully!"

src/how-to/model-relationships.ipynb

@@ -9,9 +9,9 @@
     "\n",
     "This tutorial covers extending DataJoint's type system. You'll learn:\n",
     "\n",
-    "- **Codec basics** \u2014 Encoding and decoding\n",
-    "- **Creating codecs** \u2014 Domain-specific types\n",
-    "- **Codec chaining** \u2014 Composing codecs"
+    "- **Codec basics** — Encoding and decoding\n",
+    "- **Creating codecs** — Domain-specific types\n",
+    "- **Codec chaining** — Composing codecs"
    ]
   },
   {
@@ -20,22 +20,28 @@
    "id": "cell-1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-01-17T06:49:01.002998Z",
-     "iopub.status.busy": "2026-01-17T06:49:01.002467Z",
-     "iopub.status.idle": "2026-01-17T06:49:01.702707Z",
-     "shell.execute_reply": "2026-01-17T06:49:01.702371Z"
+     "iopub.execute_input": "2026-01-23T04:53:29.084329Z",
+     "iopub.status.busy": "2026-01-23T04:53:29.084219Z",
+     "iopub.status.idle": "2026-01-23T04:53:30.388323Z",
+     "shell.execute_reply": "2026-01-23T04:53:30.388028Z"
     }
    },
    "outputs": [
     {
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "[2026-01-17 00:49:01,696][INFO]: DataJoint 2.0.0a22 connected to root@127.0.0.1:3306\n"
+      "[2026-01-22 22:53:30,380][INFO]: DataJoint 2.1.0a5 connected to postgres@localhost:5432\n"
      ]
     }
    ],
-   "source": "import datajoint as dj\n\nimport numpy as np\n\nschema = dj.Schema('tutorial_codecs')"
+   "source": [
+    "import datajoint as dj\n",
+    "\n",
+    "import numpy as np\n",
+    "\n",
+    "schema = dj.Schema('tutorial_codecs')"
+   ]
   },
   {
    "cell_type": "markdown",
@@ -51,10 +57,10 @@
    "id": "cell-3",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-01-17T06:49:01.704665Z",
-     "iopub.status.busy": "2026-01-17T06:49:01.704433Z",
-     "iopub.status.idle": "2026-01-17T06:49:01.707529Z",
-     "shell.execute_reply": "2026-01-17T06:49:01.707241Z"
+     "iopub.execute_input": "2026-01-23T04:53:30.390163Z",
+     "iopub.status.busy": "2026-01-23T04:53:30.389939Z",
+     "iopub.status.idle": "2026-01-23T04:53:30.392913Z",
+     "shell.execute_reply": "2026-01-23T04:53:30.392560Z"
     }
    },
    "outputs": [],
@@ -89,10 +95,10 @@
    "id": "cell-4",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-01-17T06:49:01.708846Z",
-     "iopub.status.busy": "2026-01-17T06:49:01.708757Z",
-     "iopub.status.idle": "2026-01-17T06:49:01.742122Z",
-     "shell.execute_reply": "2026-01-17T06:49:01.741793Z"
+     "iopub.execute_input": "2026-01-23T04:53:30.394349Z",
+     "iopub.status.busy": "2026-01-23T04:53:30.394156Z",
+     "iopub.status.idle": "2026-01-23T04:53:30.413081Z",
+     "shell.execute_reply": "2026-01-23T04:53:30.412648Z"
     }
    },
    "outputs": [],
@@ -112,10 +118,10 @@
    "id": "cell-5",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-01-17T06:49:01.743733Z",
-     "iopub.status.busy": "2026-01-17T06:49:01.743619Z",
-     "iopub.status.idle": "2026-01-17T06:49:01.756660Z",
-     "shell.execute_reply": "2026-01-17T06:49:01.756367Z"
+     "iopub.execute_input": "2026-01-23T04:53:30.414770Z",
+     "iopub.status.busy": "2026-01-23T04:53:30.414671Z",
+     "iopub.status.idle": "2026-01-23T04:53:30.428507Z",
+     "shell.execute_reply": "2026-01-23T04:53:30.428210Z"
     }
    },
    "outputs": [
@@ -179,10 +185,10 @@
    "id": "cell-8",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-01-17T06:49:01.758250Z",
-     "iopub.status.busy": "2026-01-17T06:49:01.758075Z",
-     "iopub.status.idle": "2026-01-17T06:49:01.761089Z",
-     "shell.execute_reply": "2026-01-17T06:49:01.760722Z"
+     "iopub.execute_input": "2026-01-23T04:53:30.430015Z",
+     "iopub.status.busy": "2026-01-23T04:53:30.429913Z",
+     "iopub.status.idle": "2026-01-23T04:53:30.432921Z",
+     "shell.execute_reply": "2026-01-23T04:53:30.432574Z"
     }
    },
    "outputs": [],
@@ -214,10 +220,10 @@
    "id": "cell-9",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-01-17T06:49:01.762505Z",
-     "iopub.status.busy": "2026-01-17T06:49:01.762406Z",
-     "iopub.status.idle": "2026-01-17T06:49:01.791610Z",
-     "shell.execute_reply": "2026-01-17T06:49:01.791308Z"
+     "iopub.execute_input": "2026-01-23T04:53:30.434354Z",
+     "iopub.status.busy": "2026-01-23T04:53:30.434236Z",
+     "iopub.status.idle": "2026-01-23T04:53:30.451471Z",
+     "shell.execute_reply": "2026-01-23T04:53:30.451175Z"
     }
    },
    "outputs": [
@@ -251,10 +257,10 @@
    "id": "cell-10",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-01-17T06:49:01.793037Z",
-     "iopub.status.busy": "2026-01-17T06:49:01.792915Z",
-     "iopub.status.idle": "2026-01-17T06:49:01.803053Z",
-     "shell.execute_reply": "2026-01-17T06:49:01.802640Z"
+     "iopub.execute_input": "2026-01-23T04:53:30.453240Z",
+     "iopub.status.busy": "2026-01-23T04:53:30.453107Z",
+     "iopub.status.idle": "2026-01-23T04:53:30.456776Z",
+     "shell.execute_reply": "2026-01-23T04:53:30.456516Z"
     }
    },
    "outputs": [],
@@ -284,4 +290,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 5
-}
+}