PDF (US Ltr)
- 43.3Mb
PDF (A4)
- 43.4Mb
Man Pages (TGZ)
- 297.2Kb
Man Pages (Zip)
- 402.4Kb
Info (Gzip)
- 4.3Mb
Info (Zip)
- 4.3Mb
Search Results
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-group-member-actions-table.html
This table lists the member actions that are included in the member actions configuration for replication group members. The replication_group_member_actions table has these columns: NAME The name of the member action. You can reset the member ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-rwlock-instances-table.html
The rwlock_instances table lists all the rwlock (read write lock) instances seen by the Performance Schema while the server executes. The rwlock_instances table has these columns: NAME The instrument name associated with the lock. The ...An rwlock ...
https://dev.mysql.com/doc/refman/8.0/en/replication-gtids-lifecycle.html
A GTID is also assigned to the creation, alteration, or deletion of a database, and of a non-table database object such as a procedure, function, trigger, event, view, user, role, or grant. Whenever the binary log is rotated or the server is shut ...
https://dev.mysql.com/doc/refman/8.0/en/hash-joins.html
row *************************** id: 1 select_type: SIMPLE table: t1 partitions: NULL type: ALL possible_keys: NULL key: NULL key_len: NULL ref: NULL rows: 1 filtered: 100.00 Extra: NULL *************************** 2. Prior to MySQL 8.0.20, a hash ...
https://dev.mysql.com/doc/refman/8.0/en/identifier-qualifiers.html
For example, this statement creates a table using the unqualified name t1: CREATE TABLE t1 (i INT); Because t1 includes no qualifier to specify a database, the statement creates the table in the default database. This statement creates a table using ...An unqualified name is permitted in contexts where interpretation of the name is ...
https://dev.mysql.com/doc/refman/8.0/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. With row-based format, DML statements are handled based on the database where the modified table ...It is also important to note that the results vary ...
https://dev.mysql.com/doc/refman/8.0/en/storage-engines.html
Storage engines are MySQL components that handle the SQL operations for different table types. InnoDB is the default and most general-purpose storage engine, and Oracle recommends using it for tables except for specialized use cases. (The CREATE ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-blobs.html
The part and (NDB 8.0.30 and later) inline sizes of NDB blob columns can be set using CREATE TABLE and ALTER TABLE statements containing NDB table column comments (see NDB_COLUMN Options); this can also be done in NDB API applications (see ...Parts ...For more information about how NDB Cluster stores columns of such types, see String Type Storage ...
https://dev.mysql.com/doc/refman/8.0/en/known-issues.html
If you use ALTER TABLE to add a UNIQUE index to a table used in a MERGE table and then add a normal index on the MERGE table, the key order is different for the tables if there was an old, non-UNIQUE key in the table. This is because ALTER TABLE ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-upgrade-downgrade.html
Do not use ALTER TABLE on any existing NDB tables; do not create any new NDB tables which cannot be safely dropped prior to downgrading. After backing up the state data, drop all NDB tables which have been created or altered since the upgrade took ...In many cases, mysqld cannot open tables that were created or modified by a later version of ... Versions Supported for Upgrade to NDB 8.0 Reverting an NDB Cluster 8.0 Upgrade Known Issues When Upgrading or Downgrading NDB Cluster This section provides information about NDB Cluster software and ...