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https://dev.mysql.com/doc/refman/8.0/en/handler-scope.html
However, SQLSTATE handlers take precedence over SQLEXCEPTION handlers, so if the table t is nonexistent, the DROP TABLE statement raises a condition that activates the SQLSTATE handler: mysql> CALL p1(); +--------------------------------+ | msg | ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/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 REPLICA SQL_THREAD first (and restarted with START REPLICA SQL_THREAD ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/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/8.0/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 ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-quick-start.html
The PERFORMANCE_SCHEMA storage engine operates on tables in the performance_schema database. You can make performance_schema the default database so that references to its tables need not be qualified with the database name: mysql> USE ... This ...
https://dev.mysql.com/doc/refman/8.0/en/tracing-example.html
Now we can examine the trace, whose first column (QUERY), containing the original statement to be traced, is shown here: SELECT * FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE\G *************************** 1. row *************************** QUERY: SELECT ...
https://dev.mysql.com/doc/refman/8.0/en/use.html
USE db_name The USE statement tells MySQL to use the named database as the default (current) database for subsequent statements. This statement requires some privilege for the database or some object within it. The named database remains the ...
https://dev.mysql.com/doc/refman/8.0/en/windows-postinstallation.html
Use mysqlshow to see what databases exist: C:\> bin\mysqlshow +--------------------+ | Databases | +--------------------+ | information_schema | | mysql | | performance_schema | | sys | +--------------------+ The list of installed databases may ...