-- 定义CREATEPROCEDUREQueryById3@sIDINT=101,@fruitscountINTOUTPUTASSELECT@fruitscount=COUNT(fruits.s_id)FROMfruitsWHEREs_id=@sID;-- 执行DECLARE@fruitscountINT;DECLARE@SIDINT=101;EXECQueryById3@SID,@fruitscountOUTPU
因为每次传过来的参数即表名是不固定的,所以需要一个字符串变量拿到参数里的值再拼接成最终的sql(相对于翻译一下),再去数据库里执行。 CREATE PROCEDURE [dbo].[usp_getColumnsBycolumn]( @tabname VARCHAR(100)) AS DECLARE @sql VARCHAR(8000) DECLARE @STRING VARCHAR(500) BEGIN SELECT @sql= ISNULL(@sq...
4.執行速度:每次使用Ad Hoc Query時,SQL Server的CPU time非常高,需重新Parse,且重新製作Execution Plan,但使用Stored Procedure時,只有第一次執行時CPU time較高,此時為了製作Execution Plan,並將其Cache起來,當第二次執行該Stored Procedure時,CPU time幾乎為0,可重複使用該Execution Plan。 5.方便Debug: 可單獨...
1: create procedure Performance_Solution_Table_Paramters @Temptable Specialtable Readonly 2:as 3: begin 4: select * from @Temptable 5: end 6: Finally, execute the stored procedure : 7: declare @temptable_value specialtable 8: insert into @temptable_value select'1','Jone' union select'2',...
Azure SQL 托管实例 本主题列出了 T-SQL 的外围应用以及本机编译 T-SQL 模块主体支持的功能,如存储过程 (CREATE PROCEDURE (Transact-SQL))、标量用户定义函数、内联表值函数和触发器。 有关本机模块定义的支持功能,请参阅对于本机编译的 T-SQL 模块支持的 DDL。
Text and Image Functions (Transact-SQL) Create views and stored proceduresA view is a stored SELECT statement, and a stored procedure is one or more Transact-SQL statements that execute as a batch.Views are queried like tables and don't accept parameters. Stored procedures are more complex tha...
To debug a stored procedure or batch query at design time, add the T-SQL Debugger Add-In via Visual Basic's Add-In Manager (on the Add-Ins menu). Then you can start the add-in by clicking T-SQL Debugger on the Add-Ins menu. You then simply select a DSN, and either Stored ...
This article discusses the Transact-SQL (T-SQL) differences between an Azure SQL Managed Instance and SQL Server.
Natively Compiled Stored Procedures and User-Defined Functions The following table lists the Transact-SQL features and keywords that can appear in the message text of an error involving natively compiled stored procedures and user-defined functions, as well as the corrective action to resolve the erro...
Can I EXECUTE a SQL Server Stored Procedure with Parameters and store the result set to a CTE Table so that I can then UNION to it Can I find out the "Listener" name through a SQL Server Query Can i give a rollup an Alias? Can I have a conditional JOIN? Can I have a primary ...