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https://dev.mysql.com/doc/refman/8.0/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() ... The audit log plugin supports functions that provide an SQL interface for reading JSON-format audit log ...
https://dev.mysql.com/doc/refman/8.0/en/create-table-ndb-comment-options.html
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 table. Table-level options for controlling read from any replica and partition balance can be ...
https://dev.mysql.com/doc/refman/8.0/en/explain.html
{EXPLAIN | DESCRIBE | DESC} tbl_name [col_name | wild] {EXPLAIN | DESCRIBE | DESC} [explain_type] {explainable_stmt | FOR CONNECTION connection_id} {EXPLAIN | DESCRIBE | DESC} ANALYZE [explain_type] select_stmt explain_type: { FORMAT = format_name ...
https://dev.mysql.com/doc/refman/8.0/en/getting-information.html
To find out which database is currently selected, use the DATABASE() function: mysql> SELECT DATABASE(); +------------+ | DATABASE() | +------------+ | menagerie | +------------+ If you have not yet selected any database, the result is NULL. What ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-events-table.html
If the event's timing is determined by an EVERY clause instead of an AT clause (that is, if the event is recurring), the value of this column is NULL. This is displayed as a DATETIME value, and is NULL if no start date and time are defined for the ... The EVENTS table provides information about Event Manager events, which are discussed in Section 27.4, “Using the Event ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-routines-table.html
If the routine is a stored procedure, this value is NULL. If the routine is a stored procedure, this value is NULL. If the routine is a stored procedure, this value is NULL. If the routine is a stored procedure, this value is NULL. If the routine is ... The ROUTINES table provides information about stored routines (stored procedures and stored ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-deadlock-example.html
The following example illustrates how an error can occur when a lock request causes a deadlock. Client A enables innodb_print_all_deadlocks, creates two tables, 'Animals' and 'Birds', and inserts data into each. Thererfore, the previous read-only ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-memcached-setup.html
This section describes how to set up the daemon_memcached plugin on a MySQL server. Because the memcached daemon is tightly integrated with the MySQL server to avoid network traffic and minimize latency, you perform this process on each MySQL ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/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 ...