Linux system under Mysqlcheck Repair Database command (detailed) _mysql

The Mysqlcheck client tool can examine and fix myisam tables, and can also optimize and analyze tables.

In fact, it integrates the functions of check, repair, analyze, optimize in MySQL tools,

There are 3 different ways to invoke Mysqlcheck:

shell> mysqlcheck[options] db_name [tables]

shell> mysqlcheck[options]---database DB1 [DB2 DB3 ...]

Shell> Mysqlcheck[options]--all--database

If you do not specify any tables or use the---database or--all--database option,

The entire database is checked.

option has the following common options:

-C,--check (check sheet);

-R,--repair (repair table);

-A,--analyze (analysis table);

-O,--optimize (tuning table);//Where the default option is-C (checklist)

Example:

checklist (check);

Mysqlcheck-u root-c Test

Repair table (repair);

Mysqlcheck-u root-r Test

Repair the specified database with the

# mysqlcheck-a-o-r database_name-p

Check the repair of all databases (table;

# mysqlcheck-u root-a -0-r-P

Automatically optimizes MySQL database on a regular basis

CRONTAB-E//Add it to the cron job to automate every day at 01:00

0 1 * * * mysqlcheck-aao–auto-repair-u your username-p your password >/dev/null 2>&1

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