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https://dev.mysql.com/doc/refman/8.4/en/replication-features-differing-tables.html
Source and target tables for replication do not have to be identical. A table on the source can have more or fewer columns than the replica's copy of the table. In addition, corresponding table columns on the source and the replica can use ...
https://dev.mysql.com/doc/refman/8.4/en/replication-features-user-names.html
The maximum length for user names in MySQL 8.4 is 32 characters. Replication of user names longer than 16 characters fails when the replica runs a version of MySQL previous to 5.7, because those versions support only shorter user names. This occurs ...
https://dev.mysql.com/doc/refman/8.4/en/replication-features-variables.html
sql_mode is also replicated except for the NO_DIR_IN_CREATE mode; the replica always preserves its own value for NO_DIR_IN_CREATE, regardless of changes to it on the source. However, when mysqlbinlog parses a SET @@sql_mode = mode statement, the ...
https://dev.mysql.com/doc/refman/8.4/en/replication-gtids-concepts.html
A global transaction identifier (GTID) is a unique identifier created and associated with each transaction committed on the server of origin (the source). This identifier is unique not only to the server on which it originated, but is unique across ...
https://dev.mysql.com/doc/refman/8.4/en/replication-rules-channel-based-filters.html
This section explains how to work with replication filters when multiple replication channels exist, for example in a multi-source replication topology. Replication filters can be global or specific to a channel, enabling you to configure ...
https://dev.mysql.com/doc/refman/8.4/en/show-create-database.html
SHOW CREATE {DATABASE | SCHEMA} [IF NOT EXISTS] db_name Shows the CREATE DATABASE statement that creates the named database. If the SHOW statement includes an IF NOT EXISTS clause, the output too includes such a clause. row ...
https://dev.mysql.com/doc/refman/8.4/en/show-create-user.html
SHOW CREATE USER user This statement shows the CREATE USER statement that creates the named user. The statement requires the SELECT privilege for the mysql system schema, except to see information for the current user. For the current user, the ...
https://dev.mysql.com/doc/refman/8.4/en/show-table-status.html
SHOW TABLE STATUS [{FROM | IN} db_name] [LIKE 'pattern' | WHERE expr] SHOW TABLE STATUS works like SHOW TABLES, but provides a lot of information about each non-TEMPORARY table. You can also get this list using the mysqlshow --status db_name ...
https://dev.mysql.com/doc/refman/8.4/en/show.html
SHOW has many forms that provide information about databases, tables, columns, or status information about the server. The pattern is useful for restricting statement output to matching values. Several SHOW statements also accept a WHERE clause ...
https://dev.mysql.com/doc/refman/8.4/en/storage-engine-setting.html
When you create a new table, you can specify which storage engine to use by adding an ENGINE table option to the CREATE TABLE statement: -- ENGINE=INNODB not needed unless you have set a different -- default storage engine. CREATE TABLE t1 (i INT) ...