Basic Query

query.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [],
   "source": [
    "import sqlalchemy as db"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [],
   "source": [
    "engine = db.create_engine('sqlite:///census.sqlite')\n",
    "connection = engine.connect()\n",
    "metadata = db.MetaData()\n",
    "census = db.Table('census', metadata, autoload=True, autoload_with=engine)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [],
   "source": [
    "#Equivalent to 'SELECT * FROM census'\n",
    "query = db.select([census]) "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "metadata": {},
   "outputs": [],
   "source": [
    "ResultProxy = connection.execute(query)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "metadata": {},
   "outputs": [],
   "source": [
    "ResultSet = ResultProxy.fetchall()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[('Illinois', 'M', 0, 89600, 95012),\n",
       " ('Illinois', 'M', 1, 88445, 91829),\n",
       " ('Illinois', 'M', 2, 88729, 89547)]"
      ]
     },
     "execution_count": 30,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ResultSet[:3]"
   ]
  }
 ],
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