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https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-ft-deleted-table.html
For more information about InnoDB FULLTEXT search, see Section 14.6.2.4, “InnoDB Full-Text Indexes”, and Section 12.9, “Full-Text Search Functions”. The INNODB_FT_DELETED table stores rows that are deleted from the FULLTEXT index for an ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-ft-index-cache-table.html
For more information about InnoDB FULLTEXT search, see Section 14.6.2.4, “InnoDB Full-Text Indexes”, and Section 12.9, “Full-Text Search Functions”. The INNODB_FT_INDEX_CACHE table provides token information about newly inserted rows in a ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-ft-index-table-table.html
For more information about InnoDB FULLTEXT search, see Section 14.6.2.4, “InnoDB Full-Text Indexes”, and Section 12.9, “Full-Text Search Functions”. The INNODB_FT_INDEX_TABLE table provides information about the inverted index used to ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-optimization.html
1) Try to use constant lookup values for database and table names in the WHERE clause You can take advantage of this principle as follows: To look up databases or tables, use expressions that evaluate to a constant, such as literal values, functions ... Applications that monitor databases may make frequent use of INFORMATION_SCHEMA ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-partitions-table.html
PARTITION_EXPRESSION The expression for the partitioning function used in the CREATE TABLE or ALTER TABLE statement that created the table's current partitioning scheme. Each row in this table corresponds to an individual partition or subpartition ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-processlist-table.html
This is the same value displayed in the Id column of the SHOW PROCESSLIST statement, displayed in the PROCESSLIST_ID column of the Performance Schema threads table, and returned by the CONNECTION_ID() function within the thread. The MySQL process ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-table-reference.html
The following table summarizes all available INFORMATION_SCHEMA tables. For greater detail, see the individual table descriptions. Table 24.1 INFORMATION_SCHEMA Tables Table Name Description Introduced Deprecated CHARACTER_SETS Available character ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-tp-thread-group-stats-table.html
These occur when threads go to sleep; for example, by calling the SLEEP() function. The TP_THREAD_GROUP_STATS table has these columns: TP_GROUP_ID The thread group ID. This number is incremented when a statement starts executing, not when it ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-views-table.html
You must have the SHOW VIEW privilege to access this table. The VIEWS table has these columns: TABLE_CATALOG The name of the catalog to which the view belongs. TABLE_SCHEMA The name of the schema (database) to which the view belongs. VIEW_DEFINITION ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-autocommit-commit-rollback.html
Some APIs also offer separate special transaction commit and rollback functions or methods. If autocommit mode is enabled, each SQL statement forms a single transaction on its own. By default, MySQL starts the session for each new connection with ...