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----
-title: Use TiDB DDL V2 to Accelerate Table Creation
-summary: Learn the concept, principles, and implementation details of TiDB DDL V2 for acceleration table creation.
----
-
-# Use TiDB DDL V2 to Accelerate Table Creation
-
-Starting from v7.6.0, the new version V2 of TiDB DDL supports creating tables quickly, which improves the efficiency of bulk table creation.
-
-TiDB uses the online asynchronous schema change algorithm to change the metadata. All DDL jobs are submitted to the `mysql.tidb_ddl_job` table, and the owner node pulls the DDL job to execute. After executing each phase of the online DDL algorithm, the DDL job is marked as completed and moved to the `mysql.tidb_ddl_history` table. Therefore, DDL statements can only be executed on the owner node and cannot be linearly extended.
-
-However, for some DDL statements, it is not necessary to strictly follow the online DDL algorithm. For example, the `CREATE TABLE` statement only has two states for the job: `none` and `public`. Therefore, TiDB can simplify the execution process of DDL, and executes the `CREATE TABLE` statement on a non-owner node to accelerate table creation.
-
-> **Warning:**
->
-> This feature is currently an experimental feature and it is not recommended to use in a production environment. This feature might change or be removed without prior notice. If you find a bug, please give feedback by raising an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
-
-## Compatibility with TiDB tools
-
-- [TiCDC](https://docs.pingcap.com/tidb/stable/ticdc-overview) does not support replicating the tables that are created by TiDB DDL V2.
-
-## Limitation
-
-You can now use TiDB DDL V2 only in the [`CREATE TABLE`](/sql-statements/sql-statement-create-table.md) statement, and this statement must not include any foreign key constraints.
-
-## Use TiDB DDL V2
-
-You can enable or disable TiDB DDL V2 by specifying the value of the system variable [`tidb_ddl_version`](/system-variables.md#tidb_ddl_version-new-in-v760) .
-
-To enable TiDB DDL V2, set the value of this variable to `2`:
-
-```sql
-SET GLOBAL tidb_ddl_version = 2;
-```
-
-To disable TiDB DDL V2, set the value of this variable to `1`:
-
-```sql
-SET GLOBAL tidb_ddl_version = 1;
-```
-
-## Implementation principle
-
-The detailed implementation principle of TiDB DDL V2 for accelerating table creation is as follows:
-
-1. Create a `CREATE TABLE` Job.
-
-   This step is the same as that of the V1 implementation. The corresponding DDL Job is generated by parsing the `CREATE TABLE` statement.
-
-2. Execute the `CREATE TABLE` job.
-
-   Different from V1, in TiDB DDL V2, the TiDB node that receives the `CREATE TABLE` statement executes it directly, and then persists the table structure to TiKV. At the same time, the `CREATE TABLE` job is marked as completed and inserted into the `mysql.tidb_ddl_history` table.
-
-3. Synchronize the table information.
-
-   TiDB notifies other nodes to synchronize the newly created table structure.