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https://dev.mysql.com/doc/refman/9.7/en/information-schema-innodb-ft-index-table-table.html
The INNODB_FT_INDEX_TABLE table provides information about the inverted index used to process text searches against the FULLTEXT index of an InnoDB table. Before querying it, set the value of the innodb_ft_aux_table system variable to the name ...
https://dev.mysql.com/doc/refman/9.7/en/information-schema-innodb-temp-table-info-table.html
It does not provide information about internal InnoDB temporary tables used by the optimizer. Example mysql> CREATE TEMPORARY TABLE t1 (c1 INT PRIMARY KEY) ENGINE=INNODB; mysql> SELECT * FROM INFORMATION_SCHEMA.INNODB_TEMP_TABLE_INFO\G ... The ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-autocommit-commit-rollback.html
$> mysql test mysql> CREATE TABLE customer (a INT, b CHAR (20), INDEX (a)); Query OK, 0 rows affected (0.00 sec) mysql> -- Do a transaction with autocommit turned on. mysql> START TRANSACTION; Query OK, 0 rows affected (0.00 sec) mysql> INSERT INTO ...If autocommit mode is enabled, each SQL statement forms a single transaction on its ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-compression-tuning.html
Most often, the internal optimizations described in InnoDB Data Storage and Compression ensure that the system runs well with compressed data. When you are ready to conduct long-term testing and put compressed tables into production, see Section ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-data-encryption.html
Warning For encryption key management, the component_keyring_file and component_keyring_encrypted_file components are not intended as a regulatory compliance solution. mysql> CREATE TABLE t1 (c1 INT) ENCRYPTION = 'Y'; To alter the encryption of an ... InnoDB supports data-at-rest encryption for file-per-table tablespaces, general tablespaces, the mysql system tablespace, redo logs, and undo ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-file-per-table-tablespaces.html
Tables created in file-per-table tablespaces can be backed up or restored quickly using MySQL Enterprise Backup, without interrupting the use of other InnoDB tables. The scan is performed with a broad internal lock, which may delay other operations.
https://dev.mysql.com/doc/refman/9.7/en/innodb-information-schema-fulltext_index-tables.html
INNODB_FT_BEING_DELETED: Provides a snapshot of the INNODB_FT_DELETED table; it is used only during an OPTIMIZE TABLE maintenance operation. innodb_optimize_fulltext_only changes the way the OPTIMIZE TABLE statement operates on InnoDB tables, and is ...When OPTIMIZE TABLE is run, the INNODB_FT_BEING_DELETED table is emptied, and DOC_ID values are removed from the INNODB_FT_DELETED ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-information-schema-metrics-table.html
Create a simple InnoDB table: mysql> USE test; Database changed mysql> CREATE TABLE t1 (c1 INT) ENGINE=INNODB; Query OK, 0 rows affected (0.02 sec) Enable the dml_inserts counter. row *************************** NAME: dml_inserts SUBSYSTEM: dml ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-locking-reads.html
You traverse edges or tree branches from one place to another, while reserving the right to come back and change any of these “pointer” values. Your application code can ensure referential integrity throughout this sequence of operations. For ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-locking.html
Shared and Exclusive Locks Intention Locks Record Locks Gap Locks Next-Key Locks Insert Intention Locks AUTO-INC Locks Predicate Locks for Spatial Indexes Shared and Exclusive Locks InnoDB implements standard row-level locking where there are two ...