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https://dev.mysql.com/doc/refman/5.7/en/partitioning-columns-range.html
Range columns partitioning is similar to range partitioning, but enables you to define partitions using ranges based on multiple column values. In addition, you can define the ranges using columns of types other than integer types. RANGE COLUMNS ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-types.html
MySQL's other partitioning types, however, require a partitioning expression that yields an integer value or NULL. However, you can use other date and time functions that return an integer or NULL, such as WEEKDAY(), DAYOFYEAR(), or MONTH(). This ...
https://dev.mysql.com/doc/refman/5.7/en/grant-tables.html
The value is non-NULL only for accounts that use MySQL built-in authentication methods (accounts that use an authentication plugin of mysql_native_password or sha256_password). The value is NULL for other accounts, such as those authenticated using ... The mysql system database includes several grant tables that contain information about user accounts and the privileges held by ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-import.html
--output-type=name Command-Line Format --output-type=name Type Enumeration Default Value ndb Valid Values null Set the output type. ndb_import imports CSV-formatted data, such as that produced by mysqldump --tab, directly into NDB using the NDB API. ndb_import requires a connection to an NDB management server (ndb_mgmd) to function; it does not require a connection to a MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/case.html
The CASE statement cannot have an ELSE NULL clause, and it is terminated with END CASE instead of END. This syntax cannot be used to test for equality with NULL because NULL = NULL is false. CASE case_value WHEN when_value THEN statement_list [WHEN ...
https://dev.mysql.com/doc/refman/5.7/en/merge-storage-engine.html
The column of the underlying table and the MERGE table can be NULL. The MERGE storage engine, also known as the MRG_MyISAM engine, is a collection of identical MyISAM tables that can be used as one. “Identical” means that all tables have ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-restore.html
The following changes in primary key definitions are supported by --allow-pk-changes: Extending the primary key: A non-nullable column that exists in the table schema in the backup becomes part of the table's primary key in the database. Beginning ... The NDB Cluster restoration program is implemented as a separate command-line utility ndb_restore, which can normally be found in the MySQL bin ...
https://dev.mysql.com/doc/refman/5.7/en/data-type-defaults.html
In the definition of an integer column, it is an alias for NOT NULL AUTO_INCREMENT UNIQUE. Implicit Default Handling If a data type specification includes no explicit DEFAULT value, MySQL determines the default value as follows: If the column can ...
https://dev.mysql.com/doc/refman/5.7/en/encrypted-connection-protocols-ciphers.html
MySQL supports multiple TLS protocols and ciphers, and enables configuring which protocols and ciphers to permit for encrypted connections. It is also possible to determine which protocol and cipher the current session uses. Supported Connection ...
https://dev.mysql.com/doc/refman/5.7/en/ldap-pluggable-authentication.html
Note LDAP pluggable authentication is an extension included in MySQL Enterprise Edition, a commercial product. As of MySQL 5.7.19, MySQL Enterprise Edition supports an authentication method that enables MySQL Server to use LDAP (Lightweight ...