Python สีสดสวย MySQL การเชื่อมต่อ: ฐานข้อมูลและตาราง [ตัวอย่าง]

rpm  -i <Package_name>

Example   rpm -i MySQL-5.0.9.0.i386.rpm

mysql --version

pip install mysql-connector

pip3 install mysql-connector

import mysql.connector
	db_connection = mysql.connector.connect(
  	host="hostname",
  	user="username",
  	passwd="password"
    )

import mysql.connector
db_connection = mysql.connector.connect(
  host="localhost",
  user="root",
  passwd="root"
)
print(db_connection)

<mysql.connector.connection.MySQLConnection object at 0x000002338A4C6B00>

CREATE DATABASE "database_name"

import mysql.connector
  db_connection = mysql.connector.connect(
  host= "localhost",
  user= "root",
  passwd= "root"
  )
# creating database_cursor to perform SQL operation
db_cursor = db_connection.cursor()
# executing cursor with execute method and pass SQL query
db_cursor.execute("CREATE DATABASE my_first_db")
# get list of all databases
db_cursor.execute("SHOW DATABASES")
#print all databases
for db in db_cursor:
	print(db)

CREATE  TABLE student (id INT, name VARCHAR(255))

import mysql.connector
  db_connection = mysql.connector.connect(
  host="localhost",
  user="root",
  passwd="root",
  database="my_first_db"
  )
db_cursor = db_connection.cursor()
#Here creating database table as student'
db_cursor.execute("CREATE TABLE student (id INT, name VARCHAR(255))")
#Get database table'
db_cursor.execute("SHOW TABLES")
for table in db_cursor:
	print(table)

 ('student',)

CREATE TABLE employee(id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(255), salary INT(6))

import mysql.connector
  db_connection = mysql.connector.connect(
  host="localhost",
  user="root",
  passwd="root",
  database="my_first_db"
  )
db_cursor = db_connection.cursor()
#Here creating database table as employee with primary key
db_cursor.execute("CREATE TABLE employee(id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(255), salary INT(6))")
#Get database table
db_cursor.execute("SHOW TABLES")
for table in db_cursor:
	print(table)

('employee',) ('student',)

ALTER TABLE student MODIFY id INT PRIMARY KEY

import mysql.connector
  db_connection = mysql.connector.connect(
  host="localhost",
  user="root",
  passwd="root",
  database="my_first_db"
  )
db_cursor = db_connection.cursor()
#Here we modify existing column id
db_cursor.execute("ALTER TABLE student MODIFY id INT PRIMARY KEY")

INSERT INTO student (id, name) VALUES (01, "John")
INSERT INTO employee (id, name, salary) VALUES(01, "John", 10000)

import mysql.connector
  db_connection = mysql.connector.connect(
  host="localhost",
  user="root",
  passwd="root",
  database="my_first_db"
  )
db_cursor = db_connection.cursor()
student_sql_query = "INSERT INTO student(id,name) VALUES(01, 'John')"
employee_sql_query = " INSERT INTO employee (id, name, salary) VALUES (01, 'John', 10000)"
#Execute cursor and pass query as well as student data
db_cursor.execute(student_sql_query)
#Execute cursor and pass query of employee and data of employee
	db_cursor.execute(employee_sql_query)
db_connection.commit()
print(db_cursor.rowcount, "Record Inserted")

 2 Record Inserted