sqlalchemy

hamada-emam · Jun 21, 2023 · 1fe5915 · 1fe5915
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diff --git a/databases/.bash_history b/databases/.bash_history
@@ -0,0 +1,6 @@
+pip install --upgrade pip
+pip install mysqlclient
+sudo pip install mysqlclient
+cd /etc/
+ls
+cat *release*
diff --git a/databases/python/.ipynb_checkpoints/mysql_py-checkpoint.ipynb b/databases/python/.ipynb_checkpoints/mysql_py-checkpoint.ipynb
@@ -0,0 +1,325 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "2df03dd8-0636-4057-8cbe-6e8ef53d59d9",
+   "metadata": {
+    "scrolled": true
+   },
+   "outputs": [],
+   "source": [
+    "!pip install mysql-connector-python\n",
+    "!pip install sqlalchemy\n",
+    "!pip install PyMySQL\n",
+    "!pip install mysqlclient\n",
+    "!pip install configparser"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "64a65b56-4a2e-4dff-8ebc-a462629ebee1",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from mysql.connector import connect, Error\n",
+    "from getpass import getpass\n",
+    "\n",
+    "try:\n",
+    "    with connect(\n",
+    "        host=\"mysql-db\",\n",
+    "        user=input(\"Enter username: \"),\n",
+    "        password=getpass(\"Enter password: \"),\n",
+    "    ) as connection:\n",
+    "        create_db_query = \"CREATE DATABASE testdb;\"\n",
+    "        with connection.cursor() as cursor:\n",
+    "            cursor.execute(create_db_query)\n",
+    "except Error as e:\n",
+    "    print(e)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "e942ae2b-a12c-4d87-90b3-13efb55645da",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from mysql.connector import connect, Error"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "347927a0-bd5c-42c7-b7e0-6ffadfdb1bae",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "mysqldb = connect(\n",
+    "    host=\"mysql-db\",\n",
+    "    user=\"root\",\n",
+    "    password=\"P@ssw0rd\",\n",
+    "    buffered=True\n",
+    ")\n",
+    "\n",
+    "print(mysqldb)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "5f003bef-64ac-4882-8389-d0e4eb1f5582",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "mysqldb = connect(\n",
+    "    host=\"mysql-db\",\n",
+    "    user=\"root\",\n",
+    "    password=\"P@ssw0rd\",\n",
+    "    buffered=True\n",
+    ")\n",
+    "\n",
+    "mycursor = mysqldb.cursor()\n",
+    "\n",
+    "mycursor.execute(\"SHOW DATABASES;\")\n",
+    "print( mycursor.fetchall())\n",
+    "\n",
+    "#for db in dbs:\n",
+    "#    print (db)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "6fce2f16-cecd-40e5-a68e-51acbc45b352",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "mysqldb = connect(\n",
+    "    host=\"mysql-db\",\n",
+    "    user=\"root\",\n",
+    "    password=\"P@ssw0rd\",\n",
+    "    buffered=True\n",
+    ")\n",
+    "\n",
+    "mycursor = mysqldb.cursor()\n",
+    "\n",
+    "mycursor.execute(\"CREATE DATABASE IF NOT EXISTS testdb;\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "abc1fcb4-3d0f-424b-a3f4-49906ac9ccbd",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "mysqldb = connect(\n",
+    "    host=\"mysql-db\",\n",
+    "    user=\"root\",\n",
+    "    password=\"P@ssw0rd\",\n",
+    "    database=\"testdb\"\n",
+    ")\n",
+    "\n",
+    "mycursor = mysqldb.cursor()\n",
+    "\n",
+    "mycursor.execute(\"SHOW DATABASES;\")\n",
+    "print( mycursor.fetchall())\n",
+    "\n",
+    "qry = \"\"\"\n",
+    "USE testdb;\n",
+    "CREATE TABLE t1 (id INT, first_name VARCHAR(20));\n",
+    "\"\"\"\n",
+    "\n",
+    "mycursor.execute(qry)\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "92c72faa-e76f-4039-af6d-f864cf80d6e7",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "mysqldb = connect(\n",
+    "    host=\"mysql-db\",\n",
+    "    user=\"root\",\n",
+    "    password=\"P@ssw0rd\",\n",
+    "    database=\"testdb\"\n",
+    ")\n",
+    "\n",
+    "mycursor = mysqldb.cursor()\n",
+    "qry = \"\"\"\n",
+    "-- insert values into table t1\n",
+    "INSERT INTO t1 VALUES (1, 'ahmed'), (2, 'aya'), (3, 'john');\n",
+    "\"\"\"\n",
+    "\n",
+    "mycursor.execute(qry)\n",
+    "mysqldb.commit()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "a0f324e5-aa5b-4095-9e30-c9146993f5d6",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "mysqldb = connect(\n",
+    "    host=\"mysql-db\",\n",
+    "    user=\"root\",\n",
+    "    password=\"P@ssw0rd\",\n",
+    "    database=\"testdb\"\n",
+    ")\n",
+    "\n",
+    "\n",
+    "mycursor = mysqldb.cursor()\n",
+    "\n",
+    "qry = \"DESC t1\"\n",
+    "\n",
+    "mycursor.execute(qry)\n",
+    "result = mycursor.fetchall()\n",
+    "\n",
+    "#print (result)\n",
+    "for res in result:\n",
+    "    print(res)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "7137d501-f3e2-4279-b0a5-48cdd7aaec50",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "mysqldb = connect(\n",
+    "    host=\"mysql-db\",\n",
+    "    user=\"root\",\n",
+    "    password=\"P@ssw0rd\",\n",
+    "    database=\"testdb\"\n",
+    ")\n",
+    "\n",
+    "\n",
+    "mycursor = mysqldb.cursor()\n",
+    "\n",
+    "qry = \"SELECT * FROM t1\"\n",
+    "\n",
+    "mycursor.execute(qry)\n",
+    "result = mycursor.fetchall()\n",
+    "\n",
+    "print (result)\n",
+    "#for res in result:\n",
+    "#    print(res)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "0c69a2c8-9a6f-40fe-b592-09cb739c50e2",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "mycursor.close()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "51c8a8a6-bde8-40ef-ae52-646f34f3adba",
+   "metadata": {},
+   "source": [
+    "## SQLAlchemy"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "21bfbd6d-f8e1-4e6a-86e8-72c0fa628f55",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from sqlalchemy import create_engine, text\n",
+    "#import MySQLdb"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "9c599431-bd0f-40b8-88b8-f3259ec0933c",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "connection_string = \"mysql+mysqldb://root:P%40ssw0rd@mysql-db:3306\"\n",
+    "engine = create_engine(connection_string, echo=True)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "de246924-2dc7-400b-ae8b-0c7e8e09cace",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "conn = engine.connect()\n",
+    "#conn.execute(\"CREATE DATABASE testdb;\")\n",
+    "results = conn.execute(text(\"SHOW DATABASES;\"))\n",
+    "\n",
+    "for result in results:\n",
+    "    print(result)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "e346f021-cbd9-4de9-b727-11596105f4dc",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "results = conn.execute(text(\"CREATE DATABASE testdb;\"))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "cdf3438e-ccbb-4837-9cea-406db41f7d46",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "results = conn.execute(text(\"SHOW DATABASES;\"))\n",
+    "\n",
+    "for result in results:\n",
+    "    print(result)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "9671f09d-911f-4a1f-91d9-6e296fb6fc57",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "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": "3.11.3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}