Indexing table challenges completed

Author: ptyadana

Advanced SQL for Application Development/02.Indexing Tables.ipynb

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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Challenges"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "- create b- tree index on the last and first name in the customers table\n",
+    "- create a hash index on the product name in the products table"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Solution:\n",
+    "\n",
+    "-- B tree index\n",
+    "\n",
+    "`CREATE INDEX idx_last_name_first_name_customers\n",
+    "ON customers (last_name, first_name);`\n",
+    "\n",
+    "-- Hash index\n",
+    "\n",
+    "`CREATE INDEX idx_product_name_products\n",
+    "ON products USING hash(product_name);`"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.8.5"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}

Advanced SQL for Application Development/02.Indexing.sql

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+-- B tree index
+CREATE INDEX idx_last_name_first_name_customers
+ON customers (last_name, first_name);
+
+-- Hash index
+CREATE INDEX idx_product_name_products
+ON products USING hash(product_name);