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https://dev.mysql.com/doc/refman/5.7/en/replication-gtids-failover.html
There are several variants of this method, the difference being in the manner in which data dumps and transactions from binary logs are transfered to the replica, as outlined here: Data Set Create a dump file using mysqldump on the source server.
https://dev.mysql.com/doc/refman/5.7/en/replication-rules-examples.html
If you use a combination of database-level and table-level replication filtering options, the replica first accepts or ignores events using the database options, then it evaluates all events permitted by those options according to the table options. It is also important to note that the results vary depending on whether the operation is logged using statement-based or row-based binary logging ...
https://dev.mysql.com/doc/refman/5.7/en/scalar-subqueries.html
In its simplest form, a subquery is a scalar subquery that returns a single value. A scalar subquery is a simple operand, and you can use it almost anywhere a single column value or literal is legal, and you can expect it to have those ...
https://dev.mysql.com/doc/refman/5.7/en/show-procedure-status.html
row *************************** Db: test Name: sp1 Type: PROCEDURE Definer: testuser@localhost Modified: 2018-08-08 13:54:11 Created: 2018-08-08 13:54:11 Security_type: DEFINER Comment: character_set_client: utf8 collation_connection: ...It returns ... SHOW PROCEDURE STATUS [LIKE 'pattern' | WHERE expr] This statement is a MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/temporary-table-problems.html
Temporary tables created with CREATE TEMPORARY TABLE have the following limitations: TEMPORARY tables are supported only by the InnoDB, MEMORY, MyISAM, and MERGE storage engines. It may occur for temporary tables created outside stored functions ...
https://dev.mysql.com/doc/refman/5.7/en/truncate-table.html
Logically, TRUNCATE TABLE is similar to a DELETE statement that deletes all rows, or a sequence of DROP TABLE and CREATE TABLE statements. It differs from DELETE in the following ways: Truncate operations drop and re-create the table, which is much ...To achieve high performance, it bypasses the DML method of deleting ...
https://dev.mysql.com/doc/refman/5.7/en/view-check-option.html
The WITH CHECK OPTION clause can be given for an updatable view to prevent inserts to rows for which the WHERE clause in the select_statement is not true. It also prevents updates to rows for which the WHERE clause is true but the update would ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-issues.html
Note Every NDB table is implicitly partitioned by key when it is created. This section discusses known problems or issues when using replication with NDB Cluster. A loss of connection can occur either between the source cluster SQL node and the ...
https://dev.mysql.com/doc/refman/5.7/en/replication-upgrade.html
When you upgrade servers that participate in a replication topology, you need to take into account each server's role in the topology and look out for issues specific to replication. Upgrade Procedure With Table Repair Or Rebuild Some upgrades may ...For general information and instructions for upgrading a MySQL Server instance, see Section 2.10, “Upgrading ...
https://dev.mysql.com/doc/refman/5.7/en/set.html
A SET is a string object that can have zero or more values, each of which must be chosen from a list of permitted values specified when the table is created. Trailing spaces are automatically deleted from SET member values in the table definition ...SET column values that consist of multiple set members are specified with members separated by commas ...