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https://dev.mysql.com/doc/refman/8.0/en/myisam-start.html
myisam_max_sort_file_size The maximum size of the temporary file that MySQL is permitted to use while re-creating a MyISAM index (during REPAIR TABLE, ALTER TABLE, or LOAD DATA). If the server finds an error, it tries to do a fast table repair (with ... The following options to mysqld can be used to change the behavior of MyISAM ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-online-add-node-basics.html
Exception: For tables created using the MAX_ROWS option, this statement does not work; instead, use ALTER TABLE ... Data in tables created after the new node group is added is distributed automatically; however, data added to any given table tbl ...
https://dev.mysql.com/doc/refman/8.0/en/mysqladmin.html
You can use it to check the server's configuration and current status, to create and drop databases, and more. drop db_name Delete the database named db_name and all its tables. Caution Do not use this command used if the server was started with the ...Invoke mysqladmin like this: mysqladmin [options] command [command-arg] [command [command-arg]] ...
https://dev.mysql.com/doc/refman/8.0/en/multiple-key-caches.html
By default, table indexes are assigned to the main (default) key cache created at the server startup. This feature enables you to assign different table indexes to different key caches. Where there are multiple key caches, the server must know which ... Note As of MySQL 8.0, the compound-part structured-variable syntax discussed here for referring to multiple MyISAM key caches is ...
https://dev.mysql.com/doc/refman/8.0/en/replication-snapshot-method.html
To select the appropriate method of dumping the database, choose between these options: Use the mysqldump tool to create a dump of all the databases you want to replicate. If your database is stored in binary portable files, you can copy the raw ...
https://dev.mysql.com/doc/refman/8.0/en/ansi-diff-foreign-keys.html
row *************************** Table: shirt Create Table: CREATE TABLE `shirt` ( `id` smallint(5) unsigned NOT NULL auto_increment, `style` enum('t-shirt','polo','dress') NOT NULL, `color` enum('red','blue','orange','white','black') NOT NULL, ...If ...For example, if you define a RESTRICT type constraint, and there is a child row with several parent rows, InnoDB does not permit the deletion of any of the parent ...
https://dev.mysql.com/doc/refman/8.0/en/charset-conversion.html
If you specified attributes when creating a column initially, you should also specify them when altering the table with ALTER TABLE. To convert a binary or nonbinary string column to use a particular character set, use ALTER TABLE. Suppose that a ...For successful conversion to occur, one of the following conditions must apply: If the column has a binary data type (BINARY, VARBINARY, BLOB), all the values that it contains must be encoded using a single character set (the character set you're converting the column ...
https://dev.mysql.com/doc/refman/8.0/en/replication-options-reference.html
gtid_executed_compression_period: Compress gtid_executed table each time this many transactions have occurred. log_bin_trust_function_creators: If equal to 0 (default), then when --log-bin is used, stored function creation is allowed only to users ... The following two sections provide basic information about the MySQL command-line options and system variables applicable to replication and the binary ...
https://dev.mysql.com/doc/refman/8.0/en/data-masking-component-usage.html
Creating Views that Display Masked Data If masked data from a table is used for multiple queries, it may be convenient to define a view that produces masked data. To use a dictionary, it must first be added to the masking_dictionaries system table ... Before using MySQL Enterprise Data Masking and De-Identification, install it according to the instructions provided at Section 8.5.2.1, “MySQL Enterprise Data Masking and De-Identification Component ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-file-space.html
In a newly created system tablespace, InnoDB allocates space starting from the first data file. To avoid the issues that come with storing all tables and indexes inside the system tablespace, you can enable the innodb_file_per_table configuration ...