ifexists(select*fromdbo.sysobjectswhereid=object_id(N'[dbo].[LargeTable]')andOBJECTPROPERTY(id, N'IsUserTable')=1) droptable[dbo].[LargeTable] GO /*** 对象: 表 [dbo].[LargeTable] 脚本日期: 2006-10-26 15:40:27 ***/ CREATETABLE[dbo].[LargeTable]( [ID][int]IDENTITY(1,1)NOTN...
IF EXISTS (SELECT 1 FROM sysobjects o, sysusers u WHERE o.uid=u.uid AND o.name = 'Table_Name' AND u.name = 'dbo' AND o.type = 'U') drop table Table_Name IF (@@error != 0) BEGIN PRINT "Error CREATING table 'databasename.dbo.tablename'" SELECT syb_quit() END go create t...
Create Table DDL sample(TSQL) IF EXISTS (SELECT 1 FROM sysobjects o, sysusers u WHERE o.uid=u.uid AND o.name = 'Table_Name' AND u.name = 'dbo' AND o.type = 'U') drop table Table_NameIF (@@error != 0) BEGIN PRINT "Error CREATING table 'databasename.dbo.tablename'" SELECT ...
案例代码详解 开发工具: eclipse-mars jdk1.7.0_79 整体代码: package teacher01; import java.util...
例:定义一个局部变量@tb,并设置别名为TABLE,并指定参数sex字段类型为bit,参数num2字段类型为int. DECLARE@tbTABLE(sexbit,num2INT) INSERTINTO@tbSELECT1,1 INSERTINTO@tbSELECT0,2 INSERTINTO@tbSELECT1,3 INSERTINTO@tbSELECT1,4 select*from@tb
EN有时,我需要检查是否至少有一张记录存在,通常我使用的是:优化器成本估计主要用于内部服务器目的。它...
IF EXISTS (SELECT 1 FROM sysobjects o, sysusers u WHERE o.uid=u.uid AND o.name = 'Table_Name' AND u.name = 'dbo' AND o.type = 'U') drop table Table_Name IF (@@error != 0) BEGIN PRINT "Error CREATING table 'databasename.dbo.tablename'" ...
Check if UNC path exists (It is folder, not file) Check if value is alphanumeric check isnull for UniqueIdentifier check table exists Check valid decimal and integer values using TSQL Checking for the existence of a SQL Agent Job Checking how long a Stored procedure has been run? Checking ...
Basically, I am storing long running process info into a table called Output. Assume that the table already exists with some data. Till now eveything is fine. But I am finding bit hard in formatting/applying suitable Inline style sheet. I tried many things but not satisfied. ...
While the iterative approach works just fine, it does do of repetitive updates to each row and requires you to write the intermediate output to a temporary table if you just want to query the data rather than updating the source table. I came up with the following recursive solution that do...