Learn more about the Microsoft.SqlServer.TransactSql.ScriptDom.AlterTableAlterColumnStatement.AlterTableAlterColumnStatement in the Microsoft.SqlServer.TransactSql.ScriptDom namespace.
syntaxsql Copy ALTER TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } { ALTER COLUMN column_name { [ type_schema_name. ] type_name [ ( { precision [ , scale ] } ) ] [ COLLATE collation_name ] [ NULL | NOT NULL ] } | ALTER INDEX index_...
T-SQL Alter User-Defined Data Type in SQL Server 2000 Post reply j_g_krishnan Old Hand Points: 319 More actions May 28, 2003 at 5:17 am #80337 Is there any way to alter the User defined data types in SQL Server 2000. These UDDT are referenced in Tables and Stored Procs. ...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL database in Microsoft Fabric Modifies an existing table or view index (rowstore, columnstore, or XML) by disabling, rebuilding, or reorganizing the index; or by ...
If the compatibility level of a user database was 90 before upgrade, in the upgraded database, the compatibility level is set to 100, which is the lowest supported compatibility level in SQL Server 2017 (14.x). The compatibility levels of thetempdb,model,msdb...
ALTER TABLE modifies a table definition by altering, adding, or dropping columns and constraints. ALTER TABLE also reassigns and rebuilds partitions, or disables and enables constraints and triggers.
ALTER TABLE modifies a table definition by altering, adding, or dropping columns and constraints. ALTER TABLE also reassigns and rebuilds partitions, or disables and enables constraints and triggers.
CreateTableStatement CreateTriggerStatement CreateTypeStatement CreateTypeTableStatement CreateTypeUddtStatement CreateTypeUdtStatement CreateUserStatement CreateViewStatement CreateWorkloadClassifierStatement CreateWorkloadGroupStatement CreateXmlIndexStatement CreateXmlSchemaCollectionStatement Creati...
If the compatibility level of a user database was 90 before upgrade, in the upgraded database, the compatibility level is set to 100, which is the lowest supported compatibility level in SQL Server 2017 (14.x). The compatibility levels of thetempdb,model,msdb, and Resource databases are set...
删除表的基本SQL语法格式为: DROPTABLEtable_name;DROPTABLE[IFEXISTS] table_name; DROP TABLE table_name;删除一个名为 table_name的表 DROP TABLE IF EXISTS table_name;执行了这条语句如果存在table_name表就删除,不存在不会报错也是执行。 mysql> show tables; ...