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https://dev.mysql.com/doc/refman/8.0/en/replication-options-gtids.html
Only statements that can be logged using GTID safe statements can be logged when enforce_gtid_consistency is set to ON, so the operations listed here cannot be used with this option: CREATE TEMPORARY TABLE or DROP TEMPORARY TABLE statements inside ...There is an exception that nontransactional DML is allowed in the same transaction or in the same statement as transactional DML, if all nontransactional tables are ...
https://dev.mysql.com/doc/refman/8.0/en/optimizer-statistics.html
The table is persistent so that column statistics need not be created each time the server starts. This histogram type is created when the number of distinct values in the column is less than or equal to the number of buckets specified in the ...
https://dev.mysql.com/doc/refman/8.0/en/connection-access.html
The server performs identity and credentials checking using columns in the user table, accepting the connection only if these conditions are satisfied: The client host name and user name match the Host and User columns in some user table row. When ...
https://dev.mysql.com/doc/refman/8.0/en/replication-gtids-restrictions.html
If a source used STATEMENT format and a replica used ROW format, the replica would be unable to handle the transaction correctly, therefore the CREATE TABLE ... When binlog_format is set to STATEMENT, CREATE TEMPORARY TABLE and DROP TEMPORARY TABLE ...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 ...
https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html
Other Uses for Cast Operations The cast functions are useful for creating a column with a specific type in a CREATE TABLE ... SELECT statement: mysql> CREATE TABLE new_table SELECT CAST('2000-01-01' AS DATE) AS c1; mysql> SHOW CREATE TABLE ... Table ...A common use for BINARY is to force a character string comparison to be done byte by byte using numeric byte values rather than character by ...
https://dev.mysql.com/doc/refman/8.0/en/condition-filtering.html
In join processing, prefix rows are those rows passed from one table in a join to the next. In general, the optimizer attempts to put tables with low prefix counts early in the join order to keep the number of row combinations from increasing ...
https://dev.mysql.com/doc/refman/8.0/en/intersect.html
query_expression_body INTERSECT [ALL | DISTINCT] query_expression_body [INTERSECT [ALL | DISTINCT] query_expression_body] [...] query_expression_body: See Section 15.2.14, “Set Operations with UNION, INTERSECT, and EXCEPT” INTERSECT limits the ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-consumer-configurations.html
The consumer settings in the setup_consumers table form a hierarchy from higher levels to lower. The setup_consumers table contains the following hierarchy of values: global_instrumentation thread_instrumentation events_waits_current ...The ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-memcached-porting-memcached.html
You might create additional secondary indexes on tables that are frequently used to generate reports using SQL. If you store several different classes of information using memcached, consider setting up a separate InnoDB table for each type of data.
https://dev.mysql.com/doc/refman/8.0/en/roles.html
You should keep in mind that this distinction is not immutable; a user with appropriate privileges can lock or unlock roles or (other) users after they have been created. The following list summarizes role-management capabilities provided by MySQL: ...Like user accounts, roles can have privileges granted to and revoked from ...