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https://dev.mysql.com/doc/refman/8.0/en/recovery-from-backups.html
| mysql For more information about using mysqlbinlog to process binary log files, see Section 9.5, “Point-in-Time (Incremental) Recovery”. The full backup file is just a set of SQL statements, so restoring it is very easy: $> mysql < ... Now, ...
https://dev.mysql.com/doc/refman/8.0/en/sys-ps-setup-show-disabled.html
Displays all currently disabled Performance Schema configuration. Parameters in_show_instruments BOOLEAN: Whether to display disabled instruments. This might be a long list. in_show_threads BOOLEAN: Whether to display disabled threads. Example ...
https://dev.mysql.com/doc/refman/8.0/en/create-trigger.html
The DEFINER clause specifies the MySQL account to be used when checking access privileges at trigger activation time. MySQL takes the DEFINER user into account when checking trigger privileges as follows: At CREATE TRIGGER time, the user who issues ... CREATE [DEFINER = user] TRIGGER [IF NOT EXISTS] trigger_name trigger_time trigger_event ON tbl_name FOR EACH ROW [trigger_order] trigger_body trigger_time: { BEFORE | AFTER } trigger_event: { INSERT | UPDATE | DELETE } trigger_order: { FOLLOWS | PRECEDES } other_trigger_name This statement creates a new ...
https://dev.mysql.com/doc/refman/8.0/en/adding-collation-simple-8bit.html
This section describes how to add a simple collation for an 8-bit character set by writing the <collation> elements associated with a <charset> character set description in the MySQL Index.xml file. You can check the variable value as follows, ...
https://dev.mysql.com/doc/refman/8.0/en/binary-varbinary.html
Note Within the mysql client, binary strings display using hexadecimal notation, depending on the value of the --binary-as-hex. For more information about that option, see Section 6.5.1, “mysql — The MySQL Command-Line Client”. The BINARY and ...
https://dev.mysql.com/doc/refman/8.0/en/blackhole-storage-engine.html
To examine the source for the BLACKHOLE engine, look in the sql directory of a MySQL source distribution. The maximum key length is 3072 bytes as of MySQL 8.0.27. The “dummy” mysqld process acts as a replica, applying the desired combination of ... The BLACKHOLE storage engine acts as a “black hole” that accepts data but throws it away and does not store ...
https://dev.mysql.com/doc/refman/8.0/en/component-loading.html
MySQL supports manual component loading at runtime and automatic loading during server startup. For example: INSTALL COMPONENT 'file://component_validate_password'; UNINSTALL COMPONENT 'file://component_validate_password'; A loader service handles ... Components must be loaded into the server before they can be ...
https://dev.mysql.com/doc/refman/8.0/en/create-database.html
The ENCRYPTION option, introduced in MySQL 8.0.16, defines the default database encryption, which is inherited by tables created in the database. A database in MySQL is implemented as a directory containing files that correspond to tables in the ...
https://dev.mysql.com/doc/refman/8.0/en/declare-condition.html
DECLARE condition_name CONDITION FOR condition_value condition_value: { mysql_error_code | SQLSTATE [VALUE] sqlstate_value } The DECLARE ... It can take the following forms: mysql_error_code: An integer literal indicating a MySQL error code. Do not ...CONDITION statement declares a named error condition, associating a name with a condition that needs specific ...
https://dev.mysql.com/doc/refman/8.0/en/document-store-concepts.html
This section explains the concepts introduced as part of using MySQL as a document store. JSON Document Collection CRUD Operations JSON Document A JSON document is a data structure composed of key-value pairs and is the fundamental structure for ...