Sql Server数据库常用Transact-SQL脚本(推荐)
16lz
2022-01-05
Transact-SQL
Transact-SQL(又称 T-SQL),是在 Microsoft SQL Server 和 Sybase SQL Server 上的 ANSI SQL 实现,与 Oracle 的 PL/SQL 性质相近(不只是实现 ANSI SQL,也为自身数据库系统的特性提供实现支持),在 Microsoft SQL Server 和 Sybase Adaptive Server 中仍然被使用为核心的查询语言。
数据库
1、创建数据库
USE master ; GO CREATE DATABASE Sales ON ( NAME = Sales_dat, FILENAME = 'C:\Program Files\Microsoft SQL Server\MSSQL13.MSSQLSERVER\MSSQL\DATA\saledat.mdf', SIZE = 10, MAXSIZE = 50, FILEGROWTH = 5 ) LOG ON ( NAME = Sales_log, FILENAME = 'C:\Program Files\Microsoft SQL Server\MSSQL13.MSSQLSERVER\MSSQL\DATA\salelog.ldf', SIZE = 5MB, MAXSIZE = 25MB, FILEGROWTH = 5MB ) ; GO
SELECT name, database_id, create_date FROM sys.databases ;
DROP DATABASE Sales;
1、创建表
CREATE TABLE PurchaseOrderDetail ( ID uniqueidentifier NOT NULL ,LineNumber smallint NOT NULL ,ProductID int NULL ,UnitPrice money NULL ,OrderQty smallint NULL ,ReceivedQty float NULL ,RejectedQty float NULL ,DueDate datetime NULL );
DROP TABLE dbo.PurchaseOrderDetail;
EXEC sp_rename 'Sales.SalesTerritory', 'SalesTerr';
1、添加列
ALTER TABLE dbo.doc_exa ADD column_b VARCHAR(20) NULL, column_c INT NULL ;
ALTER TABLE dbo.doc_exb DROP COLUMN column_b;
EXEC sp_rename 'Sales.SalesTerritory.TerritoryID', 'TerrID', 'COLUMN';
1、主键
--在现有表中创建主键ALTER TABLE Production.TransactionHistoryArchive ADD CONSTRAINT PK_TransactionHistoryArchive_TransactionID PRIMARY KEY CLUSTERED (TransactionID);--在新表中创建主键CREATE TABLE Production.TransactionHistoryArchive1 ( TransactionID int IDENTITY (1,1) NOT NULL , CONSTRAINT PK_TransactionHistoryArchive_TransactionID PRIMARY KEY CLUSTERED (TransactionID) );--查看主键 SELECT name FROM sys.key_constraints WHERE type = 'PK' AND OBJECT_NAME(parent_object_id) = N'TransactionHistoryArchive'; GO --删除主键ALTER TABLE Production.TransactionHistoryArchive DROP CONSTRAINT PK_TransactionHistoryArchive_TransactionID; GO
1、创建视图
CREATE VIEW V_EmployeeHireDate AS SELECT p.FirstName, p.LastName, e.HireDate FROM HumanResources.Employee AS e JOIN Person.Person AS p ON e.BusinessEntityID = p.BusinessEntityID ; GO
DROP VIEW V_EmployeeHireDate;
1、创建存储过程
CREATE PROCEDURE P_UspGetEmployeesTest @LastName nvarchar(50), @FirstName nvarchar(50) AS SELECT FirstName, LastName, Department FROM HumanResources.vEmployeeDepartmentHistory WHERE FirstName = @FirstName AND LastName = @LastName AND EndDate IS NULL; GO
DROP PROCEDURE P_UspGetEmployeesTest;
EXEC P_UspGetEmployeesTest N'Ackerman', N'Pilar'; -- Or EXEC P_UspGetEmployeesTest @LastName = N'Ackerman', @FirstName = N'Pilar'; GO -- Or EXECUTE P_UspGetEmployeesTest @FirstName = N'Pilar', @LastName = N'Ackerman'; GO
EXEC sp_rename 'P_UspGetAllEmployeesTest', 'P_UspEveryEmployeeTest2';
CREATE PROCEDURE P_UspGetEmployeeSalesYTD @SalesPerson nvarchar(50), @SalesYTD money OUTPUT AS SELECT @SalesYTD = SalesYTD FROM SalesPerson AS sp JOIN vEmployee AS e ON e.BusinessEntityID = sp.BusinessEntityID WHERE LastName = @SalesPerson; RETURN GO--调用DECLARE @SalesYTDBySalesPerson money; EXECUTE P_UspGetEmployeeSalesYTD N'Blythe', @SalesYTD = @SalesYTDBySalesPerson OUTPUT; GO
总结
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