https://dev.mysql.com/features.html
Data Types Many data types: signed/unsigned integers 1, 2, 3, 4, and 8 bytes long, FLOAT, DOUBLE, CHAR, VARCHAR, BINARY, VARBINARY, TEXT, BLOB, DATE, TIME, DATETIME, TIMESTAMP, YEAR, SET, ENUM, and OpenGIS spatial types. An index may use a prefix of ... This section describes some of the important characteristics of the MySQL Database ...
https://dev.mysql.com/fulltext-search-mecab.html
The built-in MySQL full-text parser uses the white space between words as a delimiter to determine where words begin and end, which is a limitation when working with ideographic languages that do not use word delimiters. To address this limitation ...
https://dev.mysql.com/fulltext-search-ngram.html
The built-in MySQL full-text parser uses the white space between words as a delimiter to determine where words begin and end, which is a limitation when working with ideographic languages that do not use word delimiters. To address this limitation, ...
https://dev.mysql.com/group-by-functions.html
The result type is TEXT or BLOB unless group_concat_max_len is less than or equal to 512, in which case the result type is VARCHAR or VARBINARY. This section describes group (aggregate) functions that operate on sets of values. If you use a group ...
https://dev.mysql.com/group-by-modifiers.html
The GROUP BY clause permits a WITH ROLLUP modifier that causes summary output to include extra rows that represent higher-level (that is, super-aggregate) summary operations. ROLLUP thus enables you to answer questions at multiple levels of ...
https://dev.mysql.com/innodb-columns-table.html
1 = VARCHAR, 2 = CHAR, 3 = FIXBINARY, 4 = BINARY, 5 = BLOB, 6 = INT, 7 = SYS_CHILD, 8 = SYS, 9 = FLOAT, 10 = DOUBLE, 11 = DECIMAL, 12 = VARMYSQL, 13 = MYSQL, 14 = GEOMETRY. For character columns in multibyte character sets, this length value is the ...For related usage information and examples, see Section 15.14.3, “InnoDB INFORMATION_SCHEMA Schema Object ...
https://dev.mysql.com/innodb-information-schema-system-tables.html
You can extract metadata about schema objects managed by InnoDB using InnoDB INFORMATION_SCHEMA tables. Traditionally, you would get this type of information using the techniques from Section 15.16, “InnoDB Monitors”, setting up InnoDB monitors ...
https://dev.mysql.com/innodb-memcached-internals.html
The mapped key must be a non-Null CHAR or VARCHAR type. value_columns: Must be mapped to a CHAR, VARCHAR, or BLOB column. The InnoDB memcached engine accesses InnoDB through InnoDB APIs, most of which are directly adopted from embedded InnoDB.
https://dev.mysql.com/innodb-page-compression.html
InnoDB supports page-level compression for tables that reside in file-per-table tablespaces. Page compression is enabled by specifying the COMPRESSION attribute with CREATE TABLE or ALTER TABLE. Supported Platforms Page compression requires sparse ...
https://dev.mysql.com/innodb-parameters.html
The stopword table must be an InnoDB table, containing a single VARCHAR column named value. The stopword table must be an InnoDB table, containing a single VARCHAR column named value. System variables that are true or false can be enabled at server ...
