sql类似如下,不需要使用return 语句,SQL语句的ConnectionType必须是“ADO.NET” select @proID=fieldValue from table1 whereproName=@PJ_Name 参数映射: 方向需要设置成“Output”
在T-SQL(结构化查询语言)中,为了在一列中返回多个值,您可以使用SELECT语句的多个VALUES子句。例如: 代码语言:sql 复制 SELECTFirstValue,SecondValueFROMTableNameWHEREColumnName=FilterValue; 在上面的例子中,我们从名为TableName的表中查询一个名为FilterValue的值,并返回FirstValue和SecondValue列中的结果。您可以根...
...[WITH { RECOMPILE | ENCRYPTION | RECOMPILE , ENCRYPTION }][FOR REPLICATION]ASBEGINsql_statement[...n]END---调用存储过程---存储过程如果有参数,后面加参数格式为:@参数名=value,也可直接为参数值valueEXECUTEProcedure_name---删除存储过程---在存储过程中能调用另外一个存储过程,而不能删除另外一...
–1. IDENTIY 列不能为空，不能设默认值，创建后不能使用ALTER TABLE TableName ALTER COLUMN修改，...
WAITFOR(<statement>) [,TIMEOUT ] Another T-SQL enhancement in Yukon allows you to return output from Data Manipulation Language (DML) statements other than SELECT (INSERT, UPDATE, DELETE). A new OUTPUT clause allows you to request that the old/new images of the columns be returned by refer...
This will return null, if there were any errors. (Inherited from TSqlParser) ParseChildObjectName(TextReader, IList<ParseError>, Int32, Int32, Int32) Parses an input string to get a ChildObjectName. This will return null, if there were any errors. ParseChildObjectName(TextReader, ...
A function to create a result value from each group. comparer Type: System.Collections.Generic.IEqualityComparer<TKey> An IEqualityComparer<T> to compare keys. Return Value Type: System.Linq.IQueryable<TResult> An T:System.Linq.IQueryable`1 that has a type argument of TResult and where each...
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Value = 1 }; var votesParam = new System.Data.SqlClient.SqlParameter { ParameterName = "@voteCount", ...
The return status value can be included in subsequent Transact-SQL statements in the batch or procedure that executed the current procedure, but it must be entered in the following form:EXECUTE @return_status = <procedure_name>. Examples