1: Create procedure Performance_Issue_Table_Variables 2:as 3: begin 4: SET NOCOUNT ON; 5: create table #table (empidint, empname varchar (25),Department varchar (25) ,Salaryint) 6: create clustered index #table_
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...
目前分散式開發,比較不強調使用Stored Procedure,而是Data Access Layer僅做單純存取SQL Server,邏輯則寫在BLL,若你有以下的需求,則Stored Procedure仍然適合你。 Introduction 1.SQL Script Reuse: 使用Class寫法僅能達到C#部分的程式碼重複使用,若要達到SQL部分的程式碼重複使用,就必須將SQL寫在Stored Procedure裡。 2...
If I create a stored procedure using T-SQL in SQL Server Management Studio and define output parameters in this stored procedure, can I call the stored procedure in reporting services and use...
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。
TSQL–临时表和表变量 1. 临时表适用数据量较大的情况,因为临时表可以建立索引 2. 表变量适用于数据较小的情况,表变量只能在定义时创建约束(PRIMARY KEY/UNIQUE)从而间接建立索引 3. 临时表是事务性的,数据会随着事务回滚而回滚,表变量是非事务性的
publicintExecuteWithPara(SqlConnection sqlconn,stringProcedureName, SqlParameter[] Parameters) { _sqlCmd=newSqlCommand(ProcedureName, sqlconn); //设置使用存储过程 _sqlCmd.CommandType=CommandType.StoredProcedure; //先清楚参数 _sqlCmd.Parameters.Clear(); ...
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 ke...
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 than views. Stored procedures can have both...
User-defined functions are another example of T-SQL statements. User-defined functions take input parameters, perform an action and return the results to the call. Restore a database with T-SQL. Another example is a trigger, which is a stored T-SQL script that runs when a statement other ...