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https://dev.mysql.com/doc/refman/8.4/en/performance-schema-events-stages-current-table.html
The table stores one row per thread showing the current status of the thread's most recent monitored stage event, so there is no system variable for configuring the table size. Of the tables that contain stage event rows, events_stages_current is ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-statement-tables.html
These tables store statement events: events_statements_current: The current statement event for each thread. prepared_statements_instances: Prepared statement instances and statistics The following sections describe the statement event tables. There ...Statement events occur at a high level of the event ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-auto-increment-handling.html
To make this clear, consider an example that uses this table: CREATE TABLE t1 ( c1 INT(11) NOT NULL AUTO_INCREMENT, c2 VARCHAR(10) DEFAULT NULL, PRIMARY KEY (c1) ) ENGINE=InnoDB; Suppose that there are two transactions running, each inserting rows ... InnoDB provides a configurable locking mechanism that can significantly improve scalability and performance of SQL statements that add rows to tables with AUTO_INCREMENT ...
https://dev.mysql.com/doc/refman/8.4/en/explain.html
The SHOW CREATE TABLE, SHOW TABLE STATUS, and SHOW INDEX statements also provide information about tables. In practice, the DESCRIBE keyword is more often used to obtain information about table structure, whereas EXPLAIN is used to obtain a query ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/backup-history-table-update.html
Rename the original mysql.backup_history table to mysql.backup_history_old, and the mysql.backup_history_new table to mysql.backup_history. Note If you are working with a multiprimary Group Replication setting, make sure these privileges are granted ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/backup-sbt-history-table-update.html
Rename the original mysql.backup_sbt_history table to mysql.backup_sbt_history_old, and the mysql.backup_sbt_history_new table to mysql.backup_sbt_history. Note If you are working with a multiprimary Group Replication setting, make sure these ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-tablespaces-table.html
SERVER_VERSION The MySQL version that created the tablespace, or the MySQL version into which the tablespace was imported, or the version of the last major MySQL version upgrade. The value can be considered a “creation” marker or “certified” ... The INNODB_TABLESPACES table provides metadata about InnoDB file-per-table, general, and undo ...
https://dev.mysql.com/doc/refman/8.4/en/internal-locking.html
This section discusses internal locking; that is, locking performed within the MySQL server itself to manage contention for table contents by multiple sessions. Row-Level Locking Table-Level Locking Choosing the Type of Locking Row-Level Locking ...
https://dev.mysql.com/doc/heatwave/en/heatwave-errors.html
Error number: 1106; Symbol: HW_ER_CANT_CREATE_TABLE_SCAN_QKRN Message: Could not create TableScan operation - %s. Workaround: binlog_format needs to be set to ROW/MIXED for `CREATE TABLE ... If the issue persists, reload the table and retry the ...
https://dev.mysql.com/doc/workbench/en/wb-design-table-templates.html
Define table templates with commonly used columns and settings to create new tables from either a live connection or while creating an EER model. From the SQL editor, select Create Table Like from the Tables context menu, as shown in the next ...