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https://dev.mysql.com/doc/refman/5.7/en/information-schema-introduction.html
In some cases (for example, the ROUTINE_DEFINITION column in the INFORMATION_SCHEMA ROUTINES table), users who have insufficient privileges see NULL. If this field is NULL, it means that the value of the column is always NULL. INFORMATION_SCHEMA ...
https://dev.mysql.com/doc/refman/5.7/en/data-masking-usage.html
Before using MySQL Enterprise Data Masking and De-Identification, install it according to the instructions provided at Section 6.5.2, “Installing or Uninstalling MySQL Enterprise Data Masking and De-Identification”. To use MySQL Enterprise Data ...
https://dev.mysql.com/doc/refman/5.7/en/source-configuration-options.html
The CMake program provides a great deal of control over how you configure a MySQL source distribution. Typically, you do this using options on the CMake command line. For information about options supported by CMake, run either of these commands in ...
https://dev.mysql.com/doc/refman/5.7/en/events-privileges.html
If you inspect the MySQL error log (hostname.err), you can see that the event is executing, but the action it is attempting to perform fails: 2013-09-24T12:41:31.261992Z 25 [ERROR] Event Scheduler: [jon@ghidora][cookbook.e_store_ts] INSERT command ... To enable or disable the execution of scheduled events, it is necessary to set the value of the global event_scheduler system ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-metrics-table.html
row *************************** NAME: dml_inserts SUBSYSTEM: dml COUNT: 3 MAX_COUNT: 3 MIN_COUNT: NULL AVG_COUNT: 0.046153846153846156 COUNT_RESET: 3 MAX_COUNT_RESET: 3 MIN_COUNT_RESET: NULL AVG_COUNT_RESET: NULL TIME_ENABLED: 2014-12-04 14:18:28 ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-fulltext-index.html
If you want to create your own FTS_DOC_ID column, the column must be defined as BIGINT UNSIGNED NOT NULL and named FTS_DOC_ID (all uppercase), as in the following example: Note The FTS_DOC_ID column does not need to be defined as an AUTO_INCREMENT ... Full-text indexes are created on text-based columns (CHAR, VARCHAR, or TEXT columns) to speed up queries and DML operations on data contained within those ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-key.html
Unlike the case with other partitioning types, columns used for partitioning by KEY are not restricted to integer or NULL values. This is a known issue in MySQL 5.7 which is addressed in MySQL 8.0, where this permissive behavior is deprecated, and ... Partitioning by key is similar to partitioning by hash, except that where hash partitioning employs a user-defined expression, the hashing function for key partitioning is supplied by the MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/create-tablespace.html
The precise syntax and semantics depend on the storage engine used. In standard MySQL 5.7 releases, this is always an InnoDB tablespace. MySQL NDB Cluster 7.5 also supports tablespaces using the NDB storage engine in addition to those using InnoDB.
https://dev.mysql.com/doc/refman/5.7/en/mysql-config-editor.html
The mysql_config_editor utility enables you to store authentication credentials in an obfuscated login path file named .mylogin.cnf. The file location is the %APPDATA%\MySQL directory on Windows and the current user's home directory on non-Windows ...
https://dev.mysql.com/doc/refman/5.7/en/bit-functions.html
mysql> SELECT 5 & ~1; -> 4 BIT_COUNT(N) Returns the number of bits that are set in the argument N as an unsigned 64-bit integer, or NULL if the argument is NULL. binary: Any kind of binary string argument, including a hexadecimal literal, bit ...