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python-mysqlHow can I create a MySQL backup without using mysqldump in Python?


MySQL backups can be created without using mysqldump in Python by using the MySQL Connector/Python library. This library provides an interface to connect to a MySQL database and execute SQL queries.

To create a backup, a user can connect to the database, create a cursor object, and use the cursor to execute the SHOW CREATE TABLE command for each table. The output of this command will create a SQL script that can be used to recreate the tables and their data.

Below is an example of a Python script that can be used to create a backup of a MySQL database:

import mysql.connector

# Connect to the database
db = mysql.connector.connect(
    host="localhost",
    user="user",
    passwd="passwd",
    database="my_database"
)

# Create a cursor object
cursor = db.cursor()

# Get a list of all tables in the database
cursor.execute("SHOW TABLES")
tables = cursor.fetchall()

# Create the backup file
with open('backup.sql', 'w') as f:
    for table in tables:
        # Get the CREATE TABLE statement for each table
        cursor.execute("SHOW CREATE TABLE " + table[0])
        table_data = cursor.fetchall()
        # Write the statement to the backup file
        f.write(table_data[0][1] + ';\n\n')

# Close the connection
db.close()

The above code will create a file called backup.sql that contains the SQL statements to recreate the tables and their data.

The code consists of the following parts:

  1. Connect to the database using mysql.connector.connect
  2. Create a cursor object using db.cursor()
  3. Get a list of all tables in the database using SHOW TABLES
  4. Create a backup file using open('backup.sql', 'w')
  5. Get the CREATE TABLE statement for each table using SHOW CREATE TABLE
  6. Write the statement to the backup file
  7. Close the connection using db.close()

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