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SQL Server 中的函数与存储过程编写

Meghan Kwartler

IT Consultant

EXEC 的用法

无输出参数或返回值
存储返回值
带输出参数
带输出参数并存储返回值
存储结果集

无输出参数或返回值

EXEC dbo.cusp_TripSummaryUpdate 
     @TripDate = '1/5/2017'
     @TripHours = '300'

带输出参数

DECLARE @RideHrs as numeric(18,0)

EXEC dbo.cuspSumRideHrsOneDay 
     @DateParm = '1/5/2017', 
     @RideHrsOut = @RideHrs OUTPUT

SELECT @RideHrs as TotalRideHrs

+--------------+
| TotalRideHrs |
|--------------+
| 77733        |
+--------------+

带返回值

Declare @ReturnValue as int

EXEC @ReturnValue = 
     dbo.cusp_TripSummaryUpdate 
     @TripDate = '1/5/2017', 
     @TripHours = 300

Select @ReturnValue as ReturnValue

+-------------+
| ReturnValue |
|-------------+
| 0           |
+-------------+

带返回值与输出参数

Declare @ReturnValue as int
Declare @RowCount as int

EXEC @ReturnValue = 
     dbo.cusp_TripSummaryDelete 
     @TripDate = '1/5/2017', 
     @RowCountOut = @RowCount OUTPUT

Select @ReturnValue as ReturnValue, 
     @RowCount as RowCount

+-------------+----------+
| ReturnValue | RowCount |
|-------------+----------|
| 0           | 1        |
+-------------+----------+

EXEC 与存储结果集

DECLARE @TripSummaryResultSet as TABLE(
        TripDate date,
        TripHours numeric(18,0))

INSERT INTO @TripSummaryResultSet
EXEC cusp_TripSummaryRead @TripDate = '1/5/2017'

SELECT * FROM @TripSummaryResultSet

+------------+-----------+
| TripDate   | TripHours |
|------------+-----------|
| 2017-01-05 | 200       |
+------------+-----------+

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SQL Server 中的函数与存储过程编写