{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "576a79d0-9368-4643-9b8c-60aaeb3d3752",
   "metadata": {},
   "source": [
    "# Fetch Records from a Database"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "8c2769b7-ab08-4ad8-af36-6257935e2508",
   "metadata": {},
   "outputs": [],
   "source": [
    "from DATA225utils import make_connection"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "9b0c66ef-fea8-47ed-a4d1-87822c5c3688",
   "metadata": {},
   "outputs": [],
   "source": [
    "conn = make_connection('school.ini')\n",
    "cursor = conn.cursor()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a3d36882-d79f-4825-9385-e1e06325b30f",
   "metadata": {},
   "source": [
    "### Use `cursor.fetchall()` to **fetch all the rows** from a query."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "59378ef7-95f3-492c-a567-da27082577ee",
   "metadata": {},
   "outputs": [],
   "source": [
    "sql = \"SELECT * FROM class\"\n",
    "\n",
    "cursor.execute(sql)\n",
    "rows  = cursor.fetchall()\n",
    "count = cursor.rowcount\n",
    "\n",
    "print(f'Fetched {count} rows.')\n",
    "print()\n",
    "\n",
    "for row in rows:\n",
    "    print(row)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "0551ffae-248f-456b-a3aa-14e447365dd5",
   "metadata": {},
   "outputs": [],
   "source": [
    "cursor.close()\n",
    "conn.close()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d39700ed-d498-4baa-8013-dbe6aa1b8aff",
   "metadata": {},
   "outputs": [],
   "source": [
    "# Copyright (c) 2023 by Ronald Mak"
   ]
  }
 ],
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   "display_name": "Python 3 (ipykernel)",
   "language": "python",
   "name": "python3"
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   "codemirror_mode": {
    "name": "ipython",
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