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https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-tablespaces-brief-table.html
If a file-per-table tablespace is created in a location outside the MySQL data directory, the path value is a fully qualified directory path. Example mysql> SELECT * FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_BRIEF WHERE SPACE = 7; ... The ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-temp-table-info-table.html
Example mysql> CREATE TEMPORARY TABLE t1 (c1 INT PRIMARY KEY) ENGINE=INNODB; mysql> SELECT * FROM INFORMATION_SCHEMA.INNODB_TEMP_TABLE_INFO\G *************************** 1. The INNODB_TEMP_TABLE_INFO table provides information about user-created ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-virtual-table.html
The INNODB_VIRTUAL table provides metadata about InnoDB virtual generated columns and columns upon which virtual generated columns are based. A row appears in the INNODB_VIRTUAL table for each column upon which a virtual generated column is based.
https://dev.mysql.com/doc/refman/8.0/en/information-schema-plugins-table.html
For plugins installed with INSTALL PLUGIN, the PLUGIN_NAME and PLUGIN_LIBRARY values are also registered in the mysql.plugin table. For information about plugin data structures that form the basis of the information in the PLUGINS table, see The ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-st-geometry-columns-table.html
MySQL implements ST_GEOMETRY_COLUMNS as a view on the INFORMATION_SCHEMA COLUMNS table. The ST_GEOMETRY_COLUMNS table provides information about table columns that store spatial data. This table is based on the SQL/MM (ISO/IEC 13249-3) standard, ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-table-constraints-table.html
The value can be UNIQUE, PRIMARY KEY, FOREIGN KEY, or (as of MySQL 8.0.16) CHECK. The TABLE_CONSTRAINTS table has these columns: CONSTRAINT_CATALOG The name of the catalog to which the constraint belongs. CONSTRAINT_SCHEMA The name of the schema ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-tp-thread-group-state-table.html
Note As of MySQL 8.0.14, the thread pool INFORMATION_SCHEMA tables are also available as Performance Schema tables. (See Section 29.12.16, “Performance Schema Thread Pool Tables”.) The INFORMATION_SCHEMA tables are deprecated; expect them to be ...Applications should transition away from the old tables to the new ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-tp-thread-group-stats-table.html
Note As of MySQL 8.0.14, the thread pool INFORMATION_SCHEMA tables are also available as Performance Schema tables. (See Section 29.12.16, “Performance Schema Thread Pool Tables”.) The INFORMATION_SCHEMA tables are deprecated; expect them to be ...Applications should transition away from the old tables to the new ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-tp-thread-state-table.html
Note As of MySQL 8.0.14, the thread pool INFORMATION_SCHEMA tables are also available as Performance Schema tables. (See Section 29.12.16, “Performance Schema Thread Pool Tables”.) The INFORMATION_SCHEMA tables are deprecated; expect them to be ...Applications should transition away from the old tables to the new ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-configuring-io-capacity.html
You can set the innodb_io_capacity value in the MySQL option file (my.cnf or my.ini) or modify it at runtime using a SET GLOBAL statement, which requires privileges sufficient to set global system variables. You can set the innodb_flush_sync value ... The InnoDB master thread and other threads perform various tasks in the background, most of which are I/O related, such as flushing dirty pages from the buffer pool and writing changes from the change buffer to the appropriate secondary ...