Which tablespace is my table in

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Support for adding table partitions to shared tablespaces was deprecated in MySQL 5. Shared tablespaces include the InnoDB system tablespace and general tablespaces. Table This example demonstrates creating a general tablespace and adding a compressed table. Support for placing table partitions in shared tablespaces was deprecated in MySQL 5. To move a table from a file-per-table tablespace or from the system tablespace to a general tablespace, specify the name of the general tablespace.

The general tablespace must exist. As of MySQL 8. Restrictions apply when moving tables from encrypted tablespaces. See Encryption Limitations. Exclusive metadata locks are taken on tables within a general tablespace while the tablespace is renamed, which prevents concurrent DDL. Concurrent DML is supported. Use a query similar to the following to identify tables in a general tablespace. A general InnoDB tablespace is not deleted automatically when the last table in the tablespace is dropped.

A general tablespace does not belong to any particular database. Similar to the system tablespace, truncating or dropping tables stored in a general tablespace creates free space internally in the general tablespace.

This example demonstrates how to drop an InnoDB general tablespace. The general tablespace ts1 is created with a single table. The table must be dropped before dropping the tablespace. A generated or existing tablespace cannot be changed to a general tablespace. Space is not released back to the operating system as it is for file-per-table tablespaces.

Additionally, a table-copying ALTER TABLE operation on table that resides in a shared tablespace a general tablespace or the system tablespace can increase the amount of space used by the tablespace.

Such operations require as much additional space as the data in the table plus indexes. Support for placing table partitions in general tablespaces was deprecated in MySQL 5. The ADD DATAFILE clause is not supported in a replication environment where the source and replica reside on the same host, as it would cause the source and replica to create a tablespace of the same name in the same location, which is not supported.

Testing and Benchmarking with InnoDB. InnoDB Multi-Versioning. Creating Tables Externally. Clustered and Secondary Indexes. The System Tablespace. File-Per-Table Tablespaces. Enter the email address associated with your account.

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