of tables in the block list #7622 @GMHDBJD • Improve the write efficiency of DM relay by using asynchronous write and batch write #7580 @GMHDBJD • Optimize the error messages in DM precheck #7621 @buchuitoudegou 5.2 Create a Database This document describes how to create a database using SQL and various programming languages and lists the rules of database creation. In this document, the Bookshop applica- tion This document describes how to insert data into TiDB by using the SQL language with different programming languages. 4.6.1.1 Before you start Before reading this document, you need to prepare the following:

schema version updates #48125 @cfzjywxk • TiKV • Add an API endpoint /async_tasks for querying asynchronous tasks #15759 @YuJuncen • Add priority labels to gRPC monitoring to display resource group data 5.2 Create a Database This document describes how to create a database using SQL and various programming languages and lists the rules of database creation. In this document, the Bookshop applica- tion This document describes how to insert data into TiDB by using the SQL language with different programming languages. 4.6.1.1 Before you start Before reading this document, you need to prepare the following:

system variable tidb_enable_async_merge_global_stats in v7.5.0. You can use it to set TiDB to use asynchronous merging of partition statistics to avoid OOM issues. In future releases, partition statistics 5.2 Create a Database This document describes how to create a database using SQL and various programming languages and lists the rules of database creation. In this document, the Bookshop applica- tion This document describes how to insert data into TiDB by using the SQL language with different programming languages. 4.6.1.1 Before you start Before reading this document, you need to prepare the following:

5.2 Create a Database This document describes how to create a database using SQL and various programming languages and lists the rules of database creation. In this document, the Bookshop applica- tion This document describes how to insert data into TiDB by using the SQL language with different programming languages. 4.6.1.1 Before you start Before reading this document, you need to prepare the following: document describes how to use the following SQL statements to update the data in TiDB with various programming languages: • UPDATE: Used to modify the data in the specified table. • INSERT ON DUPLICATE KEY

5.2 Create a Database This document describes how to create a database using SQL and various programming languages and lists the rules of database creation. In this document, the Bookshop applica- tion This document describes how to insert data into TiDB by using the SQL language with different programming languages. 4.6.1.1 Before you start Before reading this document, you need to prepare the following: document describes how to use the following SQL statements to update the data in TiDB with various programming languages: • UPDATE: Used to modify the data in the specified table. • INSERT ON DUPLICATE KEY

system variable tidb_enable_async_merge_global_stats in v7.5.0. You can use it to set TiDB to use asynchronous merging of partition statistics to avoid OOM issues. In future releases, partition statistics 5.2 Create a Database This document describes how to create a database using SQL and various programming languages and lists the rules of database creation. In this document, the Bookshop applica- tion This document describes how to insert data into TiDB by using the SQL language with different programming languages. 4.6.1.1 Before you start Before reading this document, you need to prepare the following:

system variable tidb_enable_async_merge_global_stats in v7.5.0. You can use it to set TiDB to use asynchronous merging of partition statistics to avoid OOM issues. In future releases, partition statistics 5.2 Create a Database This document describes how to create a database using SQL and various programming languages and lists the rules of database creation. In this document, the Bookshop applica- tion This document describes how to insert data into TiDB by using the SQL language with different programming languages. 4.6.1.1 Before you start Before reading this document, you need to prepare the following:

5.2 Create a Database This document describes how to create a database using SQL and various programming languages and lists the rules of database creation. In this document, the Bookshop applica- tion This document describes how to insert data into TiDB by using the SQL language with different programming languages. 4.6.1.1 Before you start Before reading this document, you need to prepare the following: document describes how to use the following SQL statements to update the data in TiDB with various programming languages: • UPDATE: Used to modify the data in the specified table. • INSERT ON DUPLICATE KEY

5.2 Create a Database This document describes how to create a database using SQL and various programming languages and lists the rules of database creation. In this document, the Bookshop applica- tion This document describes how to insert data into TiDB by using the SQL language with different programming languages. 4.6.1.1 Before you start Before reading this document, you need to prepare the following: document describes how to use the following SQL statements to update the data in TiDB with various programming languages: • UPDATE: Used to modify the data in the specified table. • INSERT ON DUPLICATE KEY

5.2 Create a Database This document describes how to create a database using SQL and various programming languages and lists the rules of database creation. In this document, the Bookshop applica- tion This document describes how to insert data into TiDB by using the SQL language with different programming languages. 4.6.1.1 Before you start Before reading this document, you need to prepare the following: document describes how to use the following SQL statements to update the data in TiDB with various programming languages: • UPDATE: Used to modify the data in the specified table. • INSERT ON DUPLICATE KEY