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Displaying 21 to 30 of 1418 total results
https://dev.mysql.com/doc/refman/5.7/en/converting-tables-to-innodb.html
If you have MyISAM tables that you want to convert to InnoDB for better reliability and scalability, review the following guidelines and tips before converting. Increase the value of the innodb_buffer_pool_size configuration option, which performs ...For guidance regarding buffer pool size configuration, see Section 8.12.4.1, “How MySQL Uses ...
https://dev.mysql.com/doc/refman/5.7/en/optimize-table.html
OPTIMIZE TABLE reorganizes the physical storage of table data and associated index data, to reduce storage space and improve I/O efficiency when accessing the table. The exact changes made to each table depend on the storage engine used by that ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-system-tables.html
You can extract metadata about schema objects managed by InnoDB using InnoDB INFORMATION_SCHEMA system tables. This information comes from the InnoDB internal system tables (also referred to as the InnoDB data dictionary), which cannot be queried ...Traditionally, you would get this type of information using the techniques from Section 14.18, “InnoDB Monitors”, setting up InnoDB monitors and parsing the output from the SHOW ENGINE INNODB STATUS ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-file-per-table-tablespaces.html
A file-per-table tablespace contains data and indexes for a single InnoDB table, and is stored on the file system in a single data file. File-per-table tablespace characteristics are described under the following topics in this section: ...Changing ...
https://dev.mysql.com/doc/refman/5.7/en/repair-table.html
[QUICK] [EXTENDED] [USE_FRM] REPAIR TABLE repairs a possibly corrupted table, for certain storage engines only. Although normally you should never have to run REPAIR TABLE, if disaster strikes, this statement is very likely to get back all your data ...Possible causes include but are not limited to file system ...
https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html
For a system variable summary table, see Section 5.1.4, “Server System Variable Reference”. If set to 1, all changes to a table take effect immediately. avoid_temporal_upgrade Command-Line Format --avoid-temporal-upgrade[={OFF|ON}] Deprecated ...
https://dev.mysql.com/doc/refman/5.7/en/replication-features-differing-tables.html
Source and target tables for replication do not have to be identical. A table on the source can have more or fewer columns than the replica's copy of the table. In addition, corresponding table columns on the source and the replica can use ...
https://dev.mysql.com/doc/refman/5.7/en/show-table-status.html
SHOW TABLE STATUS [{FROM | IN} db_name] [LIKE 'pattern' | WHERE expr] SHOW TABLE STATUS works likes SHOW TABLES, but provides a lot of information about each non-TEMPORARY table. The LIKE clause, if present, indicates which table names to match.
https://dev.mysql.com/doc/refman/5.7/en/alter-table-examples.html
For NDB tables, it is also possible to change the storage type used for a table or column. row *************************** Table: t1 Create Table: CREATE TABLE `t2` ( `c1` int(11) DEFAULT NULL ) /*!50100 TABLESPACE ts_1 STORAGE DISK */ ...If you ...
https://dev.mysql.com/doc/refman/5.7/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. When OPTIMIZE TABLE is run, the INNODB_FT_BEING_DELETED table is emptied, and DOC_ID values are removed from ...INNODB_FT_INDEX_CACHE: Provides token information about newly inserted rows in a FULLTEXT ...
Displaying 21 to 30 of 1418 total results