Disabling Optimization Options in mysqldump

When using the mysqldump command to export MySQL databases, you may encounter situations where you want to exclude certain optimization options. One such option is --skip-opt, which specifically disables optimization options in the mysqldump output.

Here are several examples demonstrating the use of --skip-opt in mysqldump:

Example 1: Exporting a single database without optimization options:

mysqldump --skip-opt mydatabase > mydatabase.sql

This command exports the database mydatabase to mydatabase.sql without including optimization options in the dump file.

Example 2: Exporting multiple databases without optimization options:

mysqldump --skip-opt --databases db1 db2 db3 > databases.sql

Here, --databases db1 db2 db3 specifies multiple databases (db1, db2, and db3) to be exported to databases.sql without optimization options.

Example 3: Exporting all databases except a specific one without optimization options:

mysqldump --skip-opt --all-databases --ignore-database=excluded_db > alldatabases.sql

This command exports all databases except excluded_db to alldatabases.sql while excluding optimization options.

Example 4: Exporting a specific table without optimization options:

mysqldump --skip-opt mydatabase mytable > mytable.sql

Here, mytable from mydatabase is exported to mytable.sql without including any optimization options.

Example 5: Exporting with extended insert and without optimization options:

mysqldump --skip-opt --extended-insert mydatabase > mydatabase.sql

This command enables extended inserts while excluding optimization options when exporting mydatabase.

Example 6: Exporting with table structure only and skipping optimization:

mysqldump --skip-opt --no-data mydatabase > mydatabase_structure.sql

Here, only the structure of mydatabase is exported to mydatabase_structure.sql without any data or optimization options.

Example 7: Exporting with stored procedures and functions without optimization:

mysqldump --skip-opt --routines mydatabase > mydatabase_routines.sql

This command exports mydatabase along with its stored procedures and functions to mydatabase_routines.sql, excluding optimization options.

Example 8: Exporting a specific view without optimization options:

mysqldump --skip-opt --single-transaction --no-create-info mydatabase myview > myview.sql

This exports myview from mydatabase to myview.sql without optimization options, ensuring a consistent snapshot with --single-transaction and excluding schema information with --no-create-info.

Example 9: Exporting with locking tables for read-only access and without optimization:

mysqldump --skip-opt --lock-tables mydatabase > mydatabase_locks.sql

This command exports mydatabase with tables locked for read-only access to mydatabase_locks.sql, excluding optimization options.

Example 10: Exporting with dumping triggers and without optimization:

mysqldump --skip-opt --triggers mydatabase > mydatabase_triggers.sql

Here, triggers from mydatabase are exported to mydatabase_triggers.sql without any optimization options.

To verify if the mysqldump command executed successfully with the --skip-opt option, you can check the generated output file (e.g., mydatabase.sql) for the absence of optimization-related directives and ensure the data is correctly exported according to the specified options.

Also check similar articles.

Adding Dump Date to mysqldump Output
Creating Consistent Snapshot with Single Transaction in mysqldump
Adding GTID_PURGED to mysqldump Output
Setting Character Set in mysqldump Output
Dumping Routines (Functions and Procedures) with mysqldump