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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/replication-features-memory.html
A change in max_heap_table_size takes effect for MEMORY tables that are created or updated using ALTER TABLE ... When a replication source server shuts down and restarts, its MEMORY tables become empty. To replicate this effect to replicas, the ...
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/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-optimization.html
Some INFORMATION_SCHEMA tables contain columns that provide table statistics: STATISTICS.CARDINALITY TABLES.AUTO_INCREMENT TABLES.AVG_ROW_LENGTH TABLES.CHECKSUM TABLES.CHECK_TIME TABLES.CREATE_TIME TABLES.DATA_FREE TABLES.DATA_LENGTH ...Selecting ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-blob-tool.html
This tool can be used to check for and remove orphaned BLOB column parts from NDB tables, as well as to generate a file listing any orphaned parts. It is sometimes useful in diagnosing and repairing corrupted or damaged NDB tables containing BLOB ...These options cause ndb_blob_tool to check for orphaned BLOB parts, remove any orphaned BLOB parts, and generate a dump file listing orphaned BLOB parts, respectively, and are described in more detail later in this ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-compression-tuning-monitoring.html
This section builds on the performance tuning advice from Section 17.9.1.3, “Tuning Compression for InnoDB Tables”, and shows how to find problems that might not turn up during initial testing. To dig deeper into performance considerations for ... Overall application performance, CPU and I/O utilization and the size of disk files are good indicators of how effective compression is for your ...
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 ...