Sql Server表相關的語句

來源:互聯網
上載者:User

建立Sql Server表:
create table [表名]
(
[自動編號欄位] int IDENTITY (1,1) PRIMARY KEY ,
[欄位1] nVarChar(50) default \'預設值\' null ,
[欄位2] ntext null ,
[欄位3] datetime,
[欄位4] money null ,
[欄位5] int default 0,
[欄位6] Decimal (12,4) default 0,
[欄位7] image null ,
)

刪除表:
Drop table [表名]

插入資料:
INSERT INTO [表名] (欄位1,欄位2) VALUES (100,\'51WINDOWS.NET\')

刪除資料:
DELETE FROM [表名] WHERE [欄位名]>100

更新資料:
UPDATE [表名] SET [欄位1] = 200,[欄位2] = \'51WINDOWS.NET\' WHERE [欄位三] = \'HAIWA\'

新增欄位:
ALTER TABLE [表名] ADD [欄位名] NVARCHAR (50) NULL

刪除欄位:
ALTER TABLE [表名] DROP COLUMN [欄位名]

修改欄位:
ALTER TABLE [表名] ALTER COLUMN [欄位名] NVARCHAR (50) NULL

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