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INSERT, UPDATE, DELETE, and SELECT FOR UPDATE All DDL operations (such as table/database creation, table/database deletion, table structure change, and permission change) All requests in transactions (But if transaction splitting is enabled, some read requests in transactions may
You cannot reboot or delete a DB instance that is being scaled up. Storage space can only be scaled up, not down. If you scale up a DB instance with disk encryption enabled, the expanded storage space will also use the original key for encryption.
After an RDS DB instance is created, do not disable or delete the key that is currently in use. Otherwise, RDS will be unavailable and data cannot be restored. For details about how to create a key, see "Creating a CMK" in Data Encryption Workshop User Guide.
TRUNCATE TABLE is faster than DELETE and uses fewer system and log resources. If the table to be deleted does not have a trigger and the entire table needs to be deleted, TRUNCATE TABLE is recommended.
/backupdir Delete the .qp file. find ./backupdir/ -name '*.qp' | xargs rm -f Apply redo logs. MySQL 5.6 and 5.7: innobackupex --apply-log ./backupdir MySQL 8.0: xtrabackup --prepare --target-dir=./backupdir Back up data.
---------------------------+ | auto_test1 | CREATE TABLE `auto_test1` ( `id` int NOT NULL AUTO_INCREMENT, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8 | +------------+----------------------------------------+ 1 row in set (0.00 sec) mysql> delete
name) values('D'); ERROR 1062 (23000): Duplicate entry '127' for key 'auto_test5.PRIMARY' Solution If there are many data changes and the actual data volume in the table is far less than the capacity of the auto-increment primary key, import all data in the table to a new table, delete
Reducing disk data: Delete useless historical data. If temporary files generated by sorting queries occupy too much storage space, optimize your SQL query statements.
---------------------------+ | auto_test1 | CREATE TABLE `auto_test1` ( `id` int NOT NULL AUTO_INCREMENT, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8 | +------------+----------------------------------------+ 1 row in set (0.00 sec) mysql> delete
After My RDS DB Instance Is Deleted, Why Can't the Associated Security Group Be Deleted Immediately? When creating a DB instance, you must select a security group. If no security group is available or created, RDS allocates a security group to you by default. After a DB instance is
Key Considered Invalid or Deleted During Table-Level PITR Scenario During table-level point-in-time recovery (PITR) of an RDS for MySQL instance, a message is displayed indicating that the key is invalid or has been deleted. Figure 1 Restoring tables to a specified point in time Troubleshooting
What Should I Do If the root Account of My RDS for MySQL Instance Was Deleted by Mistake? You can restore the deleted root account by resetting its password. For details, see Resetting a Password for a Database Account. Parent Topic: Database Usage
