Setting MySQL Dump Compatibility Mode

The mysqldump command in MySQL is used for creating backups of MySQL databases. One of its options, --compatible=name, allows you to specify a compatibility mode for the dump output. This option is useful when you need to export data in a format compatible with a specific MySQL version or another DBMS.

Here are several examples demonstrating the use of --compatible=name:

Example 1: Exporting data compatible with MySQL 5.7:

mysqldump --compatible=mysql57 -u username -p database_name > backup_mysql57.sql

This command dumps the database database_name in a format compatible with MySQL 5.7 and saves it to backup_mysql57.sql.

Example 2: Exporting data compatible with PostgreSQL:

mysqldump --compatible=postgresql -u username -p database_name > backup_postgresql.sql

Here, the command converts MySQL-specific syntax into PostgreSQL-compatible syntax, facilitating migration to PostgreSQL.

Example 3: Exporting data in standard SQL format:

mysqldump --compatible=ansi -u username -p database_name > backup_standard.sql

This produces a dump in ANSI SQL format, which is useful for portability across different SQL databases.

Example 4: Exporting data for MariaDB 10.3 compatibility:

mysqldump --compatible=mariadb103 -u username -p database_name > backup_mariadb103.sql

Generates a dump compatible with MariaDB 10.3, ensuring smooth migration to MariaDB.

Example 5: Exporting data with Oracle compatibility:

mysqldump --compatible=oracle -u username -p database_name > backup_oracle.sql

This command adapts MySQL syntax to be compatible with Oracle databases, aiding in database migration tasks.

To verify if the dump command executed successfully, you can check the content of the generated SQL file using a text editor or by viewing the first few lines with commands like head or less in a terminal. Ensure the file size corresponds to the expected database size to confirm the dump completeness.

Read Also

Including Comments in mysqldump Output
Adding ANALYZE TABLE Statements in mysqldump Output
Setting Character Sets Directory for mysqldump
Binding IP Address for mysqldump
Applying Slave Statements in mysqldump (Deprecated)