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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. 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/5.7/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/5.7/en/create-view.html
(Selecting from the view selects, in effect, using the SELECT statement.) The select_statement can select from base tables or from other views. The view definition is “frozen” at creation time and is not affected by subsequent changes to the ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-list.html
For more detailed syntactical information, see Section 13.1.18, “CREATE TABLE Statement”. In MySQL 5.7, all rows relating to employees working at stores in that region can be deleted with the query ALTER TABLE employees TRUNCATE PARTITION pWest, ... List partitioning in MySQL is similar to range partitioning in many ...
https://dev.mysql.com/doc/refman/5.7/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) ...You can specify the default engine by using the --default-storage-engine server startup option, or by setting the default-storage-engine option in the my.cnf configuration ...
https://dev.mysql.com/doc/refman/5.7/en/added-deprecated-removed.html
disable-partition-engine-check: Whether to disable startup check for tables without native partitioning. group_replication_recovery_ssl_cert: Name of SSL certificate file to use for establishing encrypted connection. Options and Variables ...
https://dev.mysql.com/doc/refman/5.7/en/bnl-bka-optimization.html
In MySQL, a Batched Key Access (BKA) Join algorithm is available that uses both index access to the joined table and a join buffer. Benefits of BKA include improved join performance due to more efficient table scanning. Moreover, a join buffer can ...The BKA algorithm supports inner join, outer join, and semijoin operations, including nested outer ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-import.html
db_name is the name of the database where the table into which to import the data is found; file_name is the name of the CSV file from which to read the data; this must include the path to this file if it is not in the current directory. The name of ... ndb_import imports CSV-formatted data, such as that produced by mysqldump --tab, directly into NDB using the NDB ...
https://dev.mysql.com/doc/refman/5.7/en/nested-join-optimization.html
The syntax of table_factor is extended in comparison with the SQL Standard. The latter accepts only table_reference, not a list of them inside a pair of parentheses. This is a conservative extension if we consider each comma in a list of ...The ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-pruning.html
By doing so, it is possible to expend much less time and effort in finding matching rows than would be required to scan all partitions in the table. When the optimizer can make use of partition pruning in performing this query, execution of the ...