minor

Author: dimitri-yatsenko

book/20-concepts/03-relational-practice.ipynb

@@ -600,9 +600,9 @@
       "cell_type": "markdown",
       "metadata": {},
       "source": [
-        "## Common Database Operations\n",
+        "## Common Data Queries\n",
         "\n",
-        "We'll briefly demonstrate SQL operations to contrast them with DataJoint. The operations work the same—the difference is in how we *conceive* of the database.\n",
+        "We'll briefly demonstrate equiavalent database queries in both SQL and DataJoint. The operations work the same—the difference is in how we *conceive* of the database.\n",
         "\n",
         "All database queries are built from four fundamental relational operations:\n",
         "\n",
@@ -883,7 +883,7 @@
       "cell_type": "markdown",
       "metadata": {},
       "source": [
-        "### Example Queries: Join Operations\n",
+        "### Example Queries: Joining tables\n",
         "\n",
         "**Join** combines related data from multiple tables. The foreign key relationships tell us which tables can be meaningfully joined:\n"
       ]
@@ -1568,6 +1568,7 @@
       "metadata": {},
       "source": [
         "```sql\n",
+        "-- SQL Equivalent:\n",
         "-- Delete a recording (cascade to NeuralUnits)\n",
         "DELETE FROM NeuralUnits WHERE experiment_id = 1 AND recording_id = 1;\n",
         "DELETE FROM Recording WHERE experiment_id = 1 AND recording_id = 1;\n",