Applies to:SQL ServerAzure SQL DatabaseAzure SQL Managed Instance Creates a user-defined function (UDF), which is a Transact-SQL or common language runtime (CLR) routine. A user-defined function accepts parameters, performs an action such as a complex calculation, and returns the result of ...
SQL SERVER 代码 加载程序集 USEInvestorRelationsCREATEASSEMBLY ExampleUDFFROM'E:\学习\SessionTest\TestKZCCGC\bin\Debug\TestKZCCGC.dll' 创建函数 1 2 3 CREATEFUNCTIONExampleUDFTwo() RETURNSnvarchar(1000) ASEXTERNALNAMEExampleUDF.UserDefinedFunctions.ExampleUDF; 表值函数: C#代码 1 2 3 4 5 6 7 8 ...
创建函数 CREATEFUNCTIONExampleUDFTwo()RETURNSnvarchar(1000)ASEXTERNAL NAME ExampleUDF.UserDefinedFunctions.ExampleUDF; 表值函数: C#代码 usingMicrosoft.SqlServer.Server;usingSystem;usingSystem.Collections;usingSystem.Collections.Generic;usingSystem.Data.SqlTypes;usingSystem.IO;usingSystem.Linq;usingSystem.Text;...
SELECT @SamplesPath = REPLACE(physical_name, 'Microsoft SQL Server\MSSQL11.MSSQLSERVER\MSSQL\DATA\master.mdf', 'Microsoft SQL Server\100\Samples\Engine\Programmability\CLR\') FROM master.sys.database_files WHERE name = 'master'; CREATE ASSEMBLY [SurrogateStringFunction] FROM @SamplesPath + 'S...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) This article describes how to create a user-defined function (UDF) in SQL Server by using Transact-SQL. Limitations and restrictions User-defined functions can't be used ...
This CREATE FUNCTION (SQL scalar) statement creates an SQL function at the current server. The function returns a single result. Invocation This statement can be embedded in an application program or issued interactively. It is an executable statement that can be dynamically prepared. Authorization ...
CREATE OR REPLACE FUNCTION get_salary( dep_id IN employees.department_id%TYPE DEFAULT 10, -- 输入参数, 可以设置默认值 emp_count OUT NUMBER -- 输出参数 ) RETURN NUMBER -- 返回值类型 IS v_sum NUMBER; BEGIN SELECT sum(salary), COUNT(*) INTO v_sum, emp_count ...
This CREATE FUNCTION statement registers a user-defined external table function with a database server. A user-defined external table function can be used in the FROM clause of a subselect. It returns a table to the subselect by returning one row at a time each time it is invoked. ...
程序员通常需要以编程方式创建数据库。 本文介绍如何使用 ADO.NET 和 Visual Basic .NET 以编程方式创建 SQL Server 数据库。 创建示例的步骤 创建新的 Visual Basic .NET Windows 应用程序项目。 Form1 默认添加到项目中。 在Form1 上放置命令按钮,并将其Name属性btnCreateDatabase更改为和属性Text。Create Data...
CREATE RULE (Transact-SQL) CREATE SCHEMA (Transact-SQL) CREATE SERVER AUDIT (Transact-SQL) CREATE SERVER AUDIT SPECIFICATION (Transact-SQL) CREATE SERVICE (Transact-SQL) CREATE SPATIAL INDEX (Transact-SQL) CREATE STATISTICS (Transact-SQL)