Transact-SQL 编程语言提供了一些 SET 语句,这些语句可以更改特定信息的当前会话处理。 SET 语句可分为下表中列出的几个类别。 有关使用 SET 语句设置局部变量的信息,请参阅SET @local_variable (Transact-SQL)。 展开表 类别语句 日期和时间语句SET DATEFIRST ...
If the cursor is passed back in an OUTPUT parameter, the cursor is deallocated when the last variable that references it is deallocated or goes out of scope. GLOBAL When GLOBAL is specified, and a cursor is not defined as LOCAL when created, the scope of the cursor is global to the ...
用软件导出的数据文件,用source或者软件导入的时候常常有一些类似报错: Variable 'sql_mode' can't be set to the value of 'NULL'解决方法 产生原因: 这是由于导出的sql数据文件中的某些注释语句比如下面的注释语句引起的 ...0./*!40101 SET SQL_MODE=@OLD_SQL_MODE*/;0./*!40014 SET NAMES UTF8*/....
AlterTableAlterPartitionStatement AlterTableChangeTrackingModificationStatement AlterTableConstraintModificationStatement AlterTableDropTableElement AlterTableDropTableElementStatement AlterTableFileTableNamespaceStatement AlterTableRebuildStatement AlterTableSetStatement AlterTableStatement AlterTableSwitchStatement AlterTableT...
DataModificationTableReference DataRetentionTableOption DataTypeReference DataTypeSequenceOption DbccCommand DbccNamedLiteral DbccOption DbccOptionKind DbccStatement DeallocateCursorStatement DeclareCursorStatement DeclareTableVariableBody DeclareTableVariableStatement DeclareVariableElement DeclareVariableSta...
The Performance Schema variables_info table contains information showing when and by which user each system variable was most recently set. See Section 29.12.14.2, “Performance Schema variables_info Table”. The Performance Schema persisted_variables table provides an SQL interface to the mysqld-aut...
SET ANSI_NULLS ON affects a comparison only if one of the operands of the comparison is either a variable that is NULL or a literal NULL. If both sides of the comparison are columns or compound expressions, the setting does not affect the comparison. ...
syntaxsql SET@local_variable{ = | += | -= | *= | /= | %= | &= | ^= | |= } expression Arguments @local_variable The name of a variable of any type exceptcursor,text,ntext,image, ortable. Variable names must start with one at sign (@). Variable names must follow the rules...
sql task passing db table name as variable SQL to JSON Output SQL-Replace Database Name with Variable SqlServer 2017 - SSIS - Failed to remove package protection with error 0x80131430 SQLTask fails :: f"Retrieving the COM class factory for component with CLSID {19E353EF-DAF4-45D8-9A04-...
适用于: Databricks SQL Databricks Runtime 14.1 及更高版本修改一个或多个临时变量的值。若要设置配置参数,请使用 SET。语法复制 SET { VAR | VARIABLE } { variable_name = { expression | DEFAULT } } [, ...] SET { VAR | VARIABLE } ( variable_name [, ...] ) = ( query ) } ...