1. Overview InSQL, different types of commands are categorized based on their functionality. These categories include Data Definition Language (DDL), Data Manipulation Language (DML), Data Control Language (DCL), and Transaction Control Language (TCL). Additionally, understanding these categories helps...
In SQL, this corresponds to the SELECT Data Manipulation Language (DML) - The Data Manipulation Language is the sublanguage responsible for adding, editing or deleting data from a database. In SQL, this corresponds to the INSERT, UPDATE, and DELETE Data Definition Language (DDL) - The Data ...
In SQL, Data Definition Language (DDL) shapes the database structure through commands like CREATE and ALTER, whereas Data Manipulation Language (DML) manipulates the data within that structure using commands like SELECT, INSERT, UPDATE, and DELETE. DDL focuses on defining schema elements, while DML...
Conversion of dynamic SQL string literals Conversion for LAG, FIRST_VALUE and LAST_VALUE analytical functions Add support for basic ALTER TRIGGER/ALTER INDEX DDL (enable/disable, etc.) Improved conversion for columns that match built-in function names Generate filtered unique indexes for NULL-able ...
August 2024 T-SQL DDL support in Azure SQL Database mirrored database You can now run DDL operations on a Azure SQL Database mirrored database such as Drop Table, Rename Table, and Rename Column. August 2024 Delta Lake log publishing pause and resume You can now pause and resume the publ...
Conversion of dynamic SQL string literals Conversion for LAG, FIRST_VALUE and LAST_VALUE analytical functions Add support for basic ALTER TRIGGER/ALTER INDEX DDL (enable/disable, etc.) Improved conversion for columns that match built-in function names Generate filtered unique indexes for...
SQL Server Language ExtensionsExecute external code with the extensibility framework. SeeSQL Server Language Extensions. Register external languagesA new Data Definition Language (DDL),CREATE EXTERNAL LANGUAGE, registers external languages, such as Java, in SQL Server. SeeCREATE EXTERNAL LANGUAGE. ...
Transact-SQL DDL statements for creating and managing availability groups. For more information, see Transact-SQL statements for Always On availability groups. SQL Server Management Studio tools, as follows: The New Availability Group Wizard creates and configures an availability group. In some environme...
SQL Server 2017 introduced two different architectures for availability groups.Always On availability groupsprovide high availability, disaster recovery, and read-scale balancing. These availability groups require a cluster manager. In Windows, the failover clustering feature provides the cluster manager. In...
SQL Server 2017 introduced two different architectures for availability groups.Always On availability groupsprovide high availability, disaster recovery, and read-scale balancing. These availability groups require a cluster manager. In Windows, the failover clustering feature provides the cluster manager. In...