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https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-applier-status-table.html
This table shows the current general transaction execution status on the replica. The table provides information about general aspects of transaction applier status that are not specific to any thread involved. Thread-specific status information is ...There is always a default replication channel, and more replication channels can be ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-tablestats-table.html
The INNODB_TABLESTATS table provides a view of low-level status information about InnoDB tables. This data is used by the MySQL optimizer to calculate which index to use when querying an InnoDB table. InnoDB tables are represented in this view if ...This information is derived from in-memory data structures rather than data stored on ...
https://dev.mysql.com/doc/refman/8.0/en/upgrading-what-is-upgraded.html
If the actual data dictionary version is lower than the current expected version, the server creates data dictionary tables with updated definitions, copies persisted metadata to the new tables, atomically replaces the old tables with the new ones, ... Installing a new version of MySQL may require upgrading these parts of the existing installation: The mysql system schema, which contains tables that store information required by the MySQL server as it runs (see Section 7.3, “The mysql System ...
https://dev.mysql.com/doc/refman/8.0/en/added-deprecated-removed.html
innodb_tmpdir: Directory location for temporary table files created during online ALTER TABLE operations. print_identified_with_as_hex: For SHOW CREATE USER, print hash values containing unprintable characters in hex. Replica_open_temp_tables: ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-thread-pool-tables.html
If the thread pool plugin is loaded but disabled, the tables are not created. Note The Performance Schema tables described here are available as of MySQL 8.0.14. Prior to MySQL 8.0.14, use the corresponding INFORMATION_SCHEMA tables instead; see ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-routines-table.html
The ROUTINES table provides information about stored routines (stored procedures and stored functions). The ROUTINES table does not include built-in (native) functions or loadable functions. The ROUTINES table has these columns: SPECIFIC_NAME The ...ROUTINE_CATALOG The name of the catalog to which the routine ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-views-table.html
This column has most of what you see in the Create Table column that SHOW CREATE VIEW produces. IS_UPDATABLE MySQL sets a flag, called the view updatability flag, at CREATE VIEW time. (Even if a view is updatable, it might not be possible to insert ...You must have the SHOW VIEW privilege to access this ...VIEW_DEFINITION The ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-processlist-table.html
As such, the implementation of SHOW PROCESSLIST which uses this table is also deprecated. For a comparison of this table with other sources, see Sources of Process Information. This is the same value displayed in the Id column of the SHOW ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-javascript-table-delete.html
You can use the delete() method to remove some or all records from a table in a database. All records matching the condition are deleted from the city table. mysql-js> db.city.delete().where("Name = 'Olympia'") Delete the First Record To delete the ...The X DevAPI provides additional methods to use with the delete() method to filter and order the records to be ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-python-table-delete.html
You can use the delete() method to remove some or all records from a table in a database. All records matching the condition are deleted from the city table. mysql-py> db.city.delete().where("Name = 'Olympia'") Delete the First Record To delete the ...The X DevAPI provides additional methods to use with the delete() method to filter and order the records to be ...