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https://dev.mysql.com/doc/refman/8.4/en/replace.html
For information about generated columns, see Section 15.1.20.8, “CREATE TABLE and Generated Columns”. | TABLE table_name} value: {expr | DEFAULT} value_list: value [, value] ... REPLACE works exactly like INSERT, except that if an old row in the ... REPLACE [LOW_PRIORITY | DELAYED] [INTO] tbl_name [PARTITION (partition_name [, partition_name] ...)] [(col_name [, col_name] ...)] { {VALUES | VALUE} (value_list) [, (value_list)] ...
https://dev.mysql.com/doc/refman/8.4/en/data-type-defaults.html
Examples: CREATE TABLE t1 ( i INT DEFAULT -1, c VARCHAR(10) DEFAULT '', price DOUBLE(16,2) DEFAULT 0.00 ); SERIAL DEFAULT VALUE is a special case. Suppose that a table t is defined as follows: CREATE TABLE t (i INT NOT NULL); In this case, i has no ...An expression default value for one column can refer to other table columns, with the exception that references to generated columns or columns with expression default values must be to columns that occur earlier in the table ...
https://dev.mysql.com/doc/refman/8.4/en/show-engine.html
An NdbTransaction is created each time a table schema operation (such as CREATE TABLE or ALTER TABLE) is performed on an NDB table. An NdbBlob is created for each new operation involving a BLOB column in an NDB table. Note InnoDB mutexes and rwlocks ... SHOW ENGINE engine_name {STATUS | MUTEX} SHOW ENGINE displays operational information about a storage ...
https://dev.mysql.com/doc/workbench/en/wb-data-modeling-menus.html
For example, this might be a file created by issuing the command mysqldump --no-data. MySQL Workbench handles the script as follows: If the script does not contain a CREATE DATABASE db_name; statement, the schema objects are copied to the initial ...
https://dev.mysql.com/doc/refman/8.4/en/firewall-usage.html
Scheduling Firewall Cache Reloads Each time the MYSQL_FIREWALL server-side plugin initializes, it loads data from these tables to its internal cache: firewall_whitelist firewall_group_allowlist firewall_users firewall_groups firewall_membership ...
https://dev.mysql.com/doc/refman/8.4/en/sys-statement-performance-analyzer.html
Parameters in_action ENUM('snapshot', 'overall', 'delta', 'create_tmp', 'create_table', 'save', 'cleanup'): The action to take. If in_table is NULL and no snapshot exists, a new snapshot is created. create_table: Create a regular table suitable for ... Creates a report of the statements running on the ...The views ...
https://dev.mysql.com/doc/refman/8.4/en/replication-rbr-usage.html
In addition, because temporary tables can be read only from the thread which created them, there is seldom if ever any benefit obtained from replicating them, even when using statement-based format. The MySQL server tracks the logging mode that was ...As noted in Section 19.5.1.31, “Replication and Temporary Tables”, temporary tables are not replicated when using row-based or mixed ...
https://dev.mysql.com/doc/refman/8.4/en/derived-condition-pushdown-optimization.html
For a query in which the condition is on the tables of a view created using ALGORITHM=TEMPTABLE instead of on the view itself, the multiple equality is not recognized at resolution, and thus the condition cannot be not pushed down. When a derived ...
https://dev.mysql.com/doc/refman/8.4/en/plugin-loading.html
For example, if the plugin implements a storage engine, existing tables for the storage engine become inaccessible, and attempts to create new tables for the storage engine result in tables that use the default storage engine unless the ...Built-in ... Server plugins must be loaded into the server before they can be ...
https://dev.mysql.com/doc/mysql-ai/9.4/en/mys-ai-aml-model-sharing.html
Run the SHOW CREATE TABLE command to confirm the table was created with the recommended parameters for importing. This topic describes how to grant other users access to a model you create. Share Your Models To share a model you created, you can ...
Displaying 971 to 980 of 4201 total results