PDF (US Ltr)
- 35.1Mb
PDF (A4)
- 35.2Mb
Man Pages (TGZ)
- 256.4Kb
Man Pages (Zip)
- 361.2Kb
Info (Gzip)
- 3.4Mb
Info (Zip)
- 3.4Mb
Search Results
https://dev.mysql.com/doc/refman/5.7/en/innodb-compression-usage.html
Creating a Compressed Table in File-Per-Table Tablespace To create a compressed table in a file-per-table tablespace, innodb_file_per_table must be enabled (the default in MySQL 5.6.6) and innodb_file_format must be set to Barracuda. After the ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-preload-buffer-pool.html
To reduce the warmup period after restarting the server, InnoDB saves a percentage of the most recently used pages for each buffer pool at server shutdown and restores these pages at server startup. The percentage of recently used pages that is ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-acid.html
MySQL includes components such as the InnoDB storage engine that adhere closely to the ACID model so that data is not corrupted and results are not distorted by exceptional conditions such as software crashes and hardware malfunctions. The following ... The ACID model is a set of database design principles that emphasize aspects of reliability that are important for business data and mission-critical ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-sys-tablespaces-table.html
The INNODB_SYS_TABLESPACES table provides metadata about InnoDB file-per-table and general tablespaces, equivalent to the information in the SYS_TABLESPACES table in the InnoDB data dictionary. For related usage information and examples, see ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-trx-table.html
The INNODB_TRX table provides information about every transaction currently executing inside InnoDB, including whether the transaction is waiting for a lock, when the transaction started, and the SQL statement the transaction is executing, if any.
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-ft-deleted-table.html
The INNODB_FT_DELETED table stores rows that are deleted from the FULLTEXT index for an InnoDB table. Before querying it, set the value of the innodb_ft_aux_table system variable to the name (including the database name) of the table that contains ...Use the INFORMATION_SCHEMA COLUMNS table or the SHOW COLUMNS statement to view additional information about the columns of this table, including data types and default ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-locks-table.html
The INNODB_LOCKS table provides information about each lock that an InnoDB transaction has requested but not yet acquired, and each lock that a transaction holds that is blocking another transaction. The INNODB_LOCKS table has these columns: ...
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/innodb-index-types.html
Each InnoDB table has a special index called the clustered index that stores row data. To get the best performance from queries, inserts, and other database operations, it is important to understand how InnoDB uses the clustered index to optimize ...If there is no logical unique and non-null column or set of columns to use a the primary key, add an auto-increment ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-online-ddl-operations.html
If you create a table without a primary key, InnoDB chooses one for you, which can be the first UNIQUE key defined on NOT NULL columns, or a system-generated key. The rows of an InnoDB table are stored in a clustered index organized based on the ...