02-Installing SQLAlchemy and connecting to database.ipynb

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    "from sqlalchemy import  create_engine\n",
    "\n",
    "# Connecting to MySQL server at localhost using PyMySQL DBAPI \n",
    "# engine = create_engine(\"mysql+pymysql://root:pass@localhost/mydb\")\n",
    "\n",
    "# Connecting to MySQL server at 23.92.23.113 using mysql-python DBAPI \n",
    "# engine = create_engine(\"mysql+mysqldb://root:pass@23.92.23.113/mydb\")\n",
    "\n",
    "# Connecting to PostgreSQL server at localhost using psycopg2 DBAPI \n",
    "engine = create_engine(\"postgresql+psycopg2://root:pass@localhost/mydb\")\n",
    "\n",
    "# Connecting to Oracle server at localhost using cx-Oracle DBAPI\n",
    "# engine = create_engine(\"oracle+cx_oracle://root:pass@localhost/mydb\")\n",
    "\n",
    "# Connecting to MSSQL server at localhost using PyODBC DBAPI\n",
    "# engine = create_engine(\"oracle+pyodbc://root:pass@localhost/mydb\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [],
   "source": [
    "# from sqlalchemy import  create_engine\n",
    "\n",
    "# engine = create_engine('sqlite:///sqlite3.db') # using relative path\n",
    "# engine = create_engine('sqlite:////path/to/sqlite3.db') # using absolute path"
   ]
  },
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     "text": [
      "Engine(postgres+psycopg2://postgres:***@localhost/sqlalchemy_tuts)\n"
     ]
    }
   ],
   "source": [
    "from sqlalchemy import create_engine\n",
    "\n",
    "engine = create_engine(\"postgres+psycopg2://postgres:pass@localhost/sqlalchemy_tuts\")\n",
    "engine.connect()\n",
    "\n",
    "print(engine)"
   ]
  },
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   "cell_type": "code",
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    {
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     "text": [
      "2018-07-07 18:39:14,402 INFO sqlalchemy.engine.base.Engine select version()\n",
      "2018-07-07 18:39:14,403 INFO sqlalchemy.engine.base.Engine {}\n",
      "2018-07-07 18:39:14,408 INFO sqlalchemy.engine.base.Engine select current_schema()\n",
      "2018-07-07 18:39:14,410 INFO sqlalchemy.engine.base.Engine {}\n",
      "2018-07-07 18:39:14,413 INFO sqlalchemy.engine.base.Engine SELECT CAST('test plain returns' AS VARCHAR(60)) AS anon_1\n",
      "2018-07-07 18:39:14,416 INFO sqlalchemy.engine.base.Engine {}\n",
      "2018-07-07 18:39:14,419 INFO sqlalchemy.engine.base.Engine SELECT CAST('test unicode returns' AS VARCHAR(60)) AS anon_1\n",
      "2018-07-07 18:39:14,421 INFO sqlalchemy.engine.base.Engine {}\n",
      "2018-07-07 18:39:14,423 INFO sqlalchemy.engine.base.Engine show standard_conforming_strings\n",
      "2018-07-07 18:39:14,424 INFO sqlalchemy.engine.base.Engine {}\n",
      "Engine(postgres+psycopg2://postgres:***@localhost/sqlalchemy_tuts)\n"
     ]
    }
   ],
   "source": [
    "from sqlalchemy import create_engine\n",
    "\n",
    "engine = create_engine(\n",
    "    \"postgres+psycopg2://postgres:pass@localhost/sqlalchemy_tuts\", \n",
    "    echo=True, pool_size=6, max_overflow=10, encoding='latin1'\n",
    ")\n",
    "\n",
    "engine.connect()\n",
    "\n",
    "print(engine)"
   ]
  }
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