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https://dev.mysql.com/doc/refman/5.7/en/performance-schema-replication-tables.html
At this time, there are no active replica threads, so the THREAD_ID columns are NULL and the SERVICE_STATE columns have a value of OFF. After STOP SLAVE, the THREAD_ID columns become NULL and the SERVICE_STATE columns for threads that no longer ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log-file-reading.html
A successful call to audit_log_read() to read events returns a JSON string containing an array of audit events: If the final value of the returned array is not a JSON null value, there are more events following those just read and audit_log_read() ...audit_log_read() takes an optional JSON string argument, and the result returned from a successful call to either function is a JSON ...
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== '/*!*/; ### INSERT INTO ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-memcached-setup.html
get H VALUE H 0 22 HYDERABAD|TELANGANA|IN END Configuring the InnoDB memcached Plugin Traditional memcached configuration options may be specified in a MySQL configuration file or a mysqld startup string, encoded in the argument of the ... This ...
https://dev.mysql.com/doc/refman/5.7/en/downgrading-to-previous-series.html
System Table Changes InnoDB Changes Logging Changes SQL Changes System Table Changes In MySQL 5.7.13, system table columns that store user@host string values were increased in length. All credentials are stored in the authentication_string column, ... Before downgrading from MySQL 5.7, review the information in this ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-columns-range.html
RANGE COLUMNS partitioning columns are not restricted to integer columns; string, DATE and DATETIME columns can also be used as partitioning columns. Range columns partitioning is similar to range partitioning, but enables you to define partitions ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-install-example-data.html
Note The information in this section applies to NDB Cluster running on both Unix and Windows platforms. Working with database tables and data in NDB Cluster is not much different from doing so in standard MySQL. There are two key points to keep in ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-what-is-new-7-5.html
This setting overrides --ndb-nodeid, which means that it also overrides both the --ndb-connectstring option and the NDB_CONNECTSTRING environment variable. Attempting to use any of these parameters in an NDB Cluster configuration file now results in ... Major changes and new features in NDB Cluster 7.5 which are likely to be of interest are shown in the following list: ndbinfo ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-types.html
MySQL's other partitioning types, however, require a partitioning expression that yields an integer value or NULL. However, you can use other date and time functions that return an integer or NULL, such as WEEKDAY(), DAYOFYEAR(), or MONTH(). This ...
https://dev.mysql.com/doc/refman/5.7/en/create-table-ndb-comment-options.html
For more information about how NDB stores columns of blob types, see String Type Storage Requirements. NDB_TABLE Options For an NDB Cluster table, the table comment in a CREATE TABLE or ALTER TABLE statement can also be used to specify an NDB_TABLE ... NDB_COLUMN Options NDB_TABLE Options It is possible to set a number of options specific to NDB Cluster in the table comment or column comments of an NDB ...