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https://dev.mysql.com/doc/refman/5.7/en/features.html
This section describes some of the important characteristics of the MySQL Database Software. This is useful if you want to provide an SQL interface for an in-house database. Support for DELETE, INSERT, REPLACE, and UPDATE to return the number of ...
https://dev.mysql.com/doc/refman/5.7/en/upgrade-binary-package.html
In-Place Upgrade Logical Upgrade In-Place Upgrade An in-place upgrade involves shutting down the old MySQL server, replacing the old MySQL binaries or packages with the new ones, restarting MySQL on the existing data directory, and upgrading any ...
https://dev.mysql.com/doc/refman/5.7/en/built-in-function-reference.html
The following table lists each built-in (native) function and operator and provides a short description of each one. For a table listing functions that are loadable at runtime, see Section 12.2, “Loadable Function Reference”. ->> Return value ...
https://dev.mysql.com/doc/refman/5.7/en/bug-reports.html
Search the bugs database at http://bugs.mysql.com/ to see whether the bug has been reported and fixed. If you cannot find an answer in the manual, the bugs database, or the mailing list archives, check with your local MySQL expert. The normal way to ... Before posting a bug report about a problem, please try to verify that it is a bug and that it has not been reported already: Start by searching the MySQL online manual at ...
https://dev.mysql.com/doc/refman/5.7/en/change-replication-filter.html
The following list shows the CHANGE REPLICATION FILTER options and how they relate to --replicate-* server options: REPLICATE_DO_DB: Include updates based on database name. REPLICATE_REWRITE_DB: Perform updates on replica after substituting new name ...Filters set using this statement differ from those set using the server options in two key respects: The statement does not require restarting the server to take effect, only that the replication SQL thread be stopped using STOP SLAVE SQL_THREAD first (and restarted with START SLAVE SQL_THREAD ...
https://dev.mysql.com/doc/refman/5.7/en/data-directory.html
Each subdirectory of the data directory is a database directory and corresponds to a database managed by the server. All MySQL installations have certain standard databases: The mysql directory corresponds to the mysql system database, which ...
https://dev.mysql.com/doc/refman/5.7/en/forcing-innodb-recovery.html
To investigate database page corruption, you might dump your tables from the database with SELECT ... Before doing so, ensure that you have a backup copy of your database in case you need to recreate it. Only use an innodb_force_recovery setting of ...Usually, most of the data obtained in this way is ...
https://dev.mysql.com/doc/refman/5.7/en/fulltext-query-expansion.html
For example, a user searching for “database” may really mean that “MySQL”, “Oracle”, “DB2”, and “RDBMS” all are phrases that should match “databases” and should be returned, too. Thus, if one of these documents contains the ... Full-text search supports query expansion (and in particular, its variant “blind query ...
https://dev.mysql.com/doc/refman/5.7/en/myisamchk.html
The myisamchk utility gets information about your database tables or checks, repairs, or optimizes them. tbl_name is the database table you want to check or repair. If you run myisamchk somewhere other than in the database directory, you must ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-commands.html
The optional database name and host name arguments may be given to specify the default database or the host where the server is running. rehash, \# Rebuild the completion hash that enables database, table, and column name completion while you are ...