https://dev.mysql.com/innodb-benefits.html
The storage layout for table data is more efficient for BLOB and long text fields, with the DYNAMIC row format. You may find InnoDB tables beneficial for the following reasons: If your server crashes because of a hardware or software issue, ...
https://dev.mysql.com/innodb-compression-usage.html
This setting may still be useful for tables with many long BLOB, VARCHAR or TEXT columns, because such values often do compress well, and might therefore require fewer overflow pages as described in Section 15.9.1.5, “How Compression Works for ...
https://dev.mysql.com/innodb-file-defragmenting.html
Another way to perform a defragmentation operation is to use mysqldump to dump the table to a text file, drop the table, and reload it from the dump file. Random insertions into or deletions from a secondary index can cause the index to become ...
https://dev.mysql.com/innodb-file-space.html
LONGBLOB and LONGTEXT columns must be less than 4GB, and the total row length, including BLOB and TEXT columns, must be less than 4GB. The data files that you define in the configuration file using the innodb_data_file_path configuration option ...
https://dev.mysql.com/innodb-introduction.html
InnoDB is a general-purpose storage engine that balances high reliability and high performance. Unless you have configured a different default storage engine, issuing a CREATE TABLE statement without an ENGINE= clause creates an InnoDB table. Key ...
https://dev.mysql.com/innodb-memcached-developing.html
The data stored through the daemon_memcached plugin goes into VARCHAR, TEXT, or BLOB columns, and must be converted to do numeric operations. Typically, writing an application for the InnoDB memcached plugin involves some degree of rewriting or ...
https://dev.mysql.com/innodb-table-import.html
FOR EXPORT is not supported on tables with a FULLTEXT index, as full-text search auxiliary tables cannot be flushed. After importing a table with a FULLTEXT index, run OPTIMIZE TABLE to rebuild the FULLTEXT indexes. Alternatively, drop FULLTEXT ...
https://dev.mysql.com/insert-optimization.html
When loading a table from a text file, use LOAD DATA. To optimize insert speed, combine many small operations into a single large operation. Ideally, you make a single connection, send the data for many new rows at once, and delay all index updates ...
https://dev.mysql.com/internal-temporary-tables.html
Some query conditions prevent the use of an in-memory temporary table, in which case the server uses an on-disk table instead: Presence of a BLOB or TEXT column in the table. In some cases, the server creates internal temporary tables while ...
https://dev.mysql.com/json-attribute-functions.html
The functions in this section return attributes of JSON values. An error occurs if the argument is not a valid JSON document. An empty array, empty object, or scalar value has depth 1. A nonempty array containing only elements of depth 1 or ...
