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https://dev.mysql.com/doc/heatwave/en/mys-hw-limitations-other.html
The function definition must not contain CREATE, INSERT, ALTER, UPDATE, or DELETE statements. Operations involving ALTER TABLE such as loading, unloading, or recovering data when MySQL Server is running in SUPER_READ_ONLY mode. For a list of ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-benchmarking.html
Since changing the default storage engine only affects newly created tables, run your application installation and setup steps to confirm that everything installs properly, then exercise the application features to make sure the data loading, ...If ... If InnoDB is not the default storage engine, you can determine if your database server and applications work correctly with InnoDB by restarting the server with --default-storage-engine=InnoDB defined on the command line or with default-storage-engine=innodb defined in the [mysqld] section of the MySQL server option ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-transaction-isolation-levels.html
InnoDB offers all four transaction isolation levels described by the SQL:1992 standard: READ UNCOMMITTED, READ COMMITTED, REPEATABLE READ, and SERIALIZABLE. You can enforce a high degree of consistency with the default REPEATABLE READ level, for ...
https://dev.mysql.com/doc/refman/8.4/en/scalar-subqueries.html
The preceding query can also be written like this, using TABLE: SELECT (TABLE t2) FROM t1; A scalar subquery can be part of an expression, but remember the parentheses, even if the subquery is an operand that provides an argument for a function. For ... In its simplest form, a subquery is a scalar subquery that returns a single ...
https://dev.mysql.com/doc/refman/8.4/en/point-in-time-recovery-positions.html
As an example, suppose that around 20:06:00 on March 11, 2020, an SQL statement was executed that deleted a table. You can perform a point-in-time recovery to restore the server up to its state right before the table deletion. These are some sample ... The last section, Section 9.5.1, “Point-in-Time Recovery Using Binary Log”, explains the general idea of using the binary log to perform a ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-adding-instances.html
20.2.1.6.1 Adding a Second Instance In order to add a second instance, server s2, first create the configuration file for it. If you did not have binary logging enabled when you configured the user credentials on s1, and a remote cloning operation ... At this point, the group has one member in it, server s1, which has some data in ...
https://dev.mysql.com/doc/refman/8.4/en/copying-databases.html
In cases where you need to transfer databases between different architectures, you can use mysqldump to create a file containing SQL statements. Note If GTIDs are in use on the server where you create the dump (gtid_mode=ON), by default, mysqldump ...You can then transfer the file to the other machine and feed it as input to the mysql ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-views-table.html
This column has most of what you see in the Create Table column that SHOW CREATE VIEW produces. IS_UPDATABLE MySQL sets a flag, called the view updatability flag, at CREATE VIEW time. (Even if a view is updatable, it might not be possible to insert ...You must have the SHOW VIEW privilege to access this ...VIEW_DEFINITION The ...
https://dev.mysql.com/doc/refman/8.4/en/binary-log-mysql-database.html
The contents of the grant tables in the mysql database can be modified directly (for example, with INSERT or DELETE) or indirectly (for example, with GRANT or CREATE USER). This pertains to statements such as GRANT, REVOKE, SET PASSWORD, RENAME ...
https://dev.mysql.com/doc/refman/8.4/en/fulltext-search.html
Full-text indexes can be used only with InnoDB or MyISAM tables, and can be created only for CHAR, VARCHAR, or TEXT columns. A FULLTEXT index definition can be given in the CREATE TABLE statement when a table is created, or added later using ALTER ...This rules out, for example, a table column because that can differ for each ... MATCH (col1,col2,...) AGAINST (expr [search_modifier]) search_modifier: { IN NATURAL LANGUAGE MODE | IN NATURAL LANGUAGE MODE WITH QUERY EXPANSION | IN BOOLEAN MODE | WITH QUERY EXPANSION } MySQL has support for ...