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https://dev.mysql.com/doc/refman/8.0/en/innodb-compression-internals.html
If innodb_strict_mode is ON, MySQL checks the maximum row size during CREATE TABLE or CREATE INDEX. If you create a table when innodb_strict_mode is OFF, and a subsequent INSERT or UPDATE statement attempts to create an index entry that does not fit ... This section describes some internal implementation details about compression for InnoDB ...The information presented here may ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-cmp-per-index-table.html
The INNODB_CMP_PER_INDEX and INNODB_CMP_PER_INDEX_RESET tables provide status information on operations related to compressed InnoDB tables and indexes, with separate statistics for each combination of database, table, and index, to help you ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-table-reference.html
The following table summarizes INFORMATION_SCHEMA InnoDB tables. For greater detail, see the individual table descriptions. Table 28.3 INFORMATION_SCHEMA InnoDB Tables Table Name Description INNODB_BUFFER_PAGE Pages in InnoDB buffer pool ...
https://dev.mysql.com/doc/refman/8.0/en/metadata-locking.html
Metadata locking applies not just to tables, but also to schemas, stored programs (procedures, functions, triggers, scheduled events), tablespaces, user locks acquired with the GET_LOCK() function (see Section 14.14, “Locking Functions”), and ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-online-add-node-example.html
ALGORITHM=INPLACE, REORGANIZE PARTITION does not work on tables that were created with the MAX_ROWS option. REORGANIZE PARTITION statements for NDBCLUSTER tables created after the new data nodes have been added; data added to such tables is ...You ... In this section we provide a detailed example illustrating how to add new NDB Cluster data nodes online, starting with an NDB Cluster having 2 data nodes in a single node group and concluding with a cluster having 4 data nodes in 2 node ...
https://dev.mysql.com/doc/refman/8.0/en/myisam-repair.html
In this case, you must use ALTER TABLE to increase the MAX_ROWS and AVG_ROW_LENGTH table option values: ALTER TABLE tbl_name MAX_ROWS=xxx AVG_ROW_LENGTH=yyy; If you do not know the current table option values, use SHOW CREATE TABLE. Use the table ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-ft-being-deleted-table.html
The INNODB_FT_BEING_DELETED table provides a snapshot of the INNODB_FT_DELETED table; it is used only during an OPTIMIZE TABLE maintenance operation. When OPTIMIZE TABLE is run, the INNODB_FT_BEING_DELETED table is emptied, and DOC_ID values are ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-table-descriptions.html
Tables in the performance_schema database can be grouped as follows: Setup tables. The events_waits_current table contains the most recent event for each thread. Other similar tables contain current events at different levels of the event ...An ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-show-tables.html
By default, this includes not only both user-created tables and NDB system tables, but NDB-specific indexes, internal triggers, and NDB Cluster Disk Data objects as well. --type, -t Can be used to restrict the output to one type of object, specified ... ndb_show_tables displays a list of all NDB database objects in the ...--connect-retries Command-Line Format --connect-retries=# Type Integer Default Value 12 Minimum ...
https://dev.mysql.com/doc/refman/8.0/en/show-tables.html
The optional EXTENDED modifier causes SHOW TABLES to list hidden tables created by failed ALTER TABLE statements. SHOW [EXTENDED] [FULL] TABLES [{FROM | IN} db_name] [LIKE 'pattern' | WHERE expr] SHOW TABLES lists the non-TEMPORARY tables in a ...