ALTER VIEW ALTER VOLUME 呼叫 COMMENT ON CREATE CATALOG CREATE CONNECTION CREATE DATABASE CREATE FUNCTION (SQL) CREATE FUNCTION (外部) 創建地點 CREATE MATERIALIZED VIEW 建立程序 CREATE RECIPIENT CREATE SCHEMA CREATE SE
如果升级前用户数据库的兼容级别为 100 或更高,升级后将保持相应级别。 如果升级前的兼容性级别为 90,则在升级后的数据库中,兼容性级别将设置为 100,这是 SQL Server 2016 (13.x) 及更高版本中支持的最低兼容性级别。 有关详细信息,请参阅ALTER DATABASE 兼容性级别 (Transact-SQL)。
sql Copy ALTER TABLE table_name ALTER COLUMN column_name SET DATA TYPE new_data_type USING expre...
SQL uses the "UPDATE" statement to alter/change data in your tables. Just like the SELECT statement, you need to specify columns and a table, but the UPDATE statement also requires the new data you want to store. This data can be dynamic or static, but as in introduction, we'll use ...
Schema changes that use ALTER <OBJECT> statements. For more information, see Schema Changes on Publication Databases. The following features do not depend on the compatibility level; however, they do require the Merge Agent that is included with SQL Server 2005 and later versions. Subscribers that...
If the compatibility level is 90 before upgrade, in the upgraded database, the compatibility level is set to 100, which is the lowest supported compatibility level in SQL Server 2016 (13.x) and greater. For more information, see ALTER DATABASE Compatibility Level (Transact-SQL). Typically, ...
SQLCopy ALTERDATABASESCOPED CONFIGURATIONCLEARPROCEDURE_CACHE; Note If you don't remove the plan for the affected query from the cache, the first execution of the query after encryption might fail. UseALTER DATABASE SCOPED CONFIGURATION CLEAR PROCEDURE_CACHEorDBCC FREEPROCCACHEto clear the plan cache...
(100) ); GO BEGIN TRY BEGIN TRANSACTION; -- This statement will generate an error because the -- column author does not exist in the table. ALTER TABLE my_books DROP COLUMN author; -- If the DDL statement succeeds, commit the transaction. COMMIT TRANSACTION; END TRY BEGIN CATCH SELECT ...
You can't use ALTER TABLE statements to modify the design of table-valued parameters. You can stream large objects in a table-valued parameter. Configuring a table-valued parameter Beginning with Microsoft JDBC Driver 6.0 for SQL Server, table-valued parameters are supported with a parameterized ...
Using DDL Statements in SQL - Learn how to use DDL statements in SQL for database management, including CREATE, ALTER, and DROP commands.