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https://dev.mysql.com/doc/refman/8.0/en/alter-table.html
ALTER TABLE tbl_name [alter_option [, alter_option] ...] [partition_options] alter_option: { table_options | ADD [COLUMN] col_name column_definition [FIRST | AFTER col_name] | ADD [COLUMN] (col_name column_definition,...) | ADD {INDEX | KEY} ...| ...
https://dev.mysql.com/doc/refman/8.0/en/alter-user.html
ALTER USER [IF EXISTS] user [auth_option] [, user [auth_option]] ... In most cases, ALTER USER requires the global CREATE USER privilege, or the UPDATE privilege for the mysql system schema. Statements that modify secondary passwords require these ...[REQUIRE {NONE | tls_option [[AND] tls_option] ...}] [WITH resource_option [resource_option] ...] [password_option | lock_option] ...
https://dev.mysql.com/doc/refman/8.0/en/monitor-alter-table-performance-schema.html
You can monitor ALTER TABLE progress for InnoDB tables using Performance Schema. There are seven stage events that represent different phases of ALTER TABLE. Each stage event reports a running total of WORK_COMPLETED and WORK_ESTIMATED for the ...
https://dev.mysql.com/doc/refman/8.0/en/alter-table-partition-operations.html
Partitioning-related clauses for ALTER TABLE can be used with partitioned tables for repartitioning, to add, drop, discard, import, merge, and split partitions, and to perform partitioning maintenance. Simply using a partition_options clause with ...This clause always begins with PARTITION BY, and follows the same syntax and other rules as apply to the partition_options clause for CREATE TABLE (for more detailed information, see Section 15.1.20, “CREATE TABLE Statement”), and can also be used to partition an existing table that is not already ...
https://dev.mysql.com/doc/refman/8.0/en/alter-database.html
alter_option: { [DEFAULT] CHARACTER SET [=] charset_name | [DEFAULT] COLLATE [=] collation_name | [DEFAULT] ENCRYPTION [=] {'Y' | 'N'} | READ ONLY [=] {DEFAULT | 0 | 1} } ALTER DATABASE enables you to change the overall characteristics of a database. For any alter_option omitted from the statement, the database retains its current option value, with the exception that changing the character set may change the collation and vice ...
https://dev.mysql.com/doc/refman/8.0/en/alter-instance.html
ALTER INSTANCE instance_action instance_action: { | {ENABLE|DISABLE} INNODB REDO_LOG | ROTATE INNODB MASTER KEY | ROTATE BINLOG MASTER KEY | RELOAD TLS [FOR CHANNEL {mysql_main | mysql_admin}] [NO ROLLBACK ON ERROR] | RELOAD KEYRING } ALTER ...This ...
https://dev.mysql.com/doc/refman/8.0/en/alter-event.html
ALTER [DEFINER = user] EVENT event_name [ON SCHEDULE schedule] [ON COMPLETION [NOT] PRESERVE] [RENAME TO new_event_name] [ENABLE | DISABLE | DISABLE ON SLAVE] [COMMENT 'string'] [DO event_body] The ALTER EVENT statement changes one or more of the ...The syntax for each of the DEFINER, ON SCHEDULE, ON COMPLETION, COMMENT, ENABLE / DISABLE, and DO clauses is exactly the same as when used with CREATE ...
https://dev.mysql.com/doc/refman/8.0/en/alter-table-generated-columns.html
ALTER TABLE operations permitted for generated columns are ADD, MODIFY, and CHANGE. CREATE TABLE t1 (c1 INT); ALTER TABLE t1 ADD COLUMN c2 INT GENERATED ALWAYS AS (c1 + 1) STORED; The data type and expression of generated columns can be modified.
https://dev.mysql.com/doc/refman/8.0/en/alter-table-examples.html
row *************************** Table: t1 Create Table: CREATE TABLE `t2` ( `c1` int(11) DEFAULT NULL ) /*!50100 TABLESPACE ts_1 STORAGE DISK */ ENGINE=ndbcluster DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci 1 row in set (0.01 sec) To change ...For NDB tables, it is also possible to change the storage type used for a table or ...
https://dev.mysql.com/doc/refman/8.0/en/alter-resource-group.html
ALTER RESOURCE GROUP group_name [VCPU [=] vcpu_spec [, vcpu_spec] ...] [THREAD_PRIORITY [=] N] [ENABLE|DISABLE [FORCE]] vcpu_spec: {N | M - N} ALTER RESOURCE GROUP is used for resource group management (see Section 7.1.16, “Resource Groups”).