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https://dev.mysql.com/doc/refman/5.7/en/audit-log-filtering.html
Note As of MySQL 5.7.13, for audit log filtering to work as described here, the audit log plugin and the accompanying audit tables and functions must be installed. If the plugin is installed without the accompanying audit tables and functions ...
https://dev.mysql.com/doc/refman/5.7/en/charset-examples.html
Example 1: Table and Column Definition CREATE TABLE t1 ( c1 CHAR(10) CHARACTER SET latin1 COLLATE latin1_german1_ci ) DEFAULT CHARACTER SET latin2 COLLATE latin2_bin; Here we have a column with a latin1 character set and a latin1_german1_ci ... The ...
https://dev.mysql.com/doc/refman/5.7/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/5.7/en/innodb-and-mysql-replication.html
For example, you can replicate modifications to an InnoDB table on the source to a MyISAM table on the replica. Cascading actions for InnoDB tables on the source are executed on the replica only if the tables sharing the foreign key relation use ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-limits.html
This section describes limits for InnoDB tables, indexes, tablespaces, and other aspects of the InnoDB storage engine. A table can contain a maximum of 1017 columns (raised in MySQL 5.6.9 from the earlier limit of 1000). If innodb_large_prefix is ...innodb_large_prefix is deprecated; expect it to be removed in a future MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/mysqlbinlog-row-events.html
# at 218 #080828 15:03:08 server id 1 end_log_pos 258 Write_rows: table id 17 flags: STMT_END_F BINLOG ' fAS3SBMBAAAALAAAANoAAAAAABEAAAAAAAAABHRlc3QAAXQAAwMPCgIUAAQ= fAS3SBcBAAAAKAAAAAIBAAAQABEAAAAAAAEAA//8AQAAAAVhcHBsZQ== '/*!*/; ... # at 302 ...
https://dev.mysql.com/doc/refman/5.7/en/mysqldump-delimited-text.html
If you invoke mysqldump with the --tab=dir_name option, it uses dir_name as the output directory and dumps tables individually in that directory using two files for each table. For a table named t1, the files are named t1.sql and t1.txt. The .sql ...
https://dev.mysql.com/doc/refman/5.7/en/password-hashing.html
MySQL lists user accounts in the user table of the mysql database. Each MySQL account can be assigned a password, although the user table does not store the cleartext version of the password, but a hash value computed from it. After the client ...
https://dev.mysql.com/doc/refman/5.7/en/replication-gtids-restrictions.html
When using GTIDs, updates to tables using nontransactional storage engines such as MyISAM cannot be made in the same statement or transaction as updates to tables using transactional storage engines such as InnoDB. This restriction is due to the ...
https://dev.mysql.com/doc/refman/5.7/en/temporary-files.html
The maximum disk space required is determined by the following expression: (length of what is sorted + sizeof(row pointer)) * number of matched rows * 2 The row pointer size is usually four bytes, but may grow in the future for really big tables.