Before you create the table, make sure you don’t already have a table with the same name. If it exists, delete the table: -- Check if temp table exists for the same spid DECLARE @sess VARCHAR(50) DECLARE @name VARCHAR(1000) DECLARE @sql1 VARCHAR(1000) SELECT @se...
USE tempDB IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo]. [Product]') AND type in (N'U')) DROP TABLE [dbo].[Product] -- STEP 2: 建立訂單資料表 CREATE TABLE dbo.Product( ProductID int primary key, FilmName nvarchar(30), direct nvarchar(10), Rent mo...
1. 把逗号替换为 ') insert into temptab values(' 讲逗号间的值截出来存入表变量,但是这种有些局限性 CREATE PROCEDUREusp_SplitStr2@strvarchar(8000),@split_DelVARCHAR(10)WITHENCRYPTION,EXECUTEASOWNERASBEGINDECLARE@strSqlvarchar(8000)SELECT@strSql='DECLARE @temptab TABLE(id INT IDENTITY(1,1),col ...
T-SQL 基本语法 --查询selectDB_ID('B2C')--检查数据库是否存在ifDB_ID('B2C')isnotnull--使用数据库useB2C--单引号表示字符串,双引号则不是 U 表示用户表selectOBJECT_ID('UserName','U')--主键约束Primary key--唯一约束Unique--外键约束foreign key () references--检查约束Check--非空约束--Select ...
How do I check if #tempTable exists? How do I check if ANSI_NULLS is turned on or not? How do i check weather a trigger exists in a database? How do I collapse contiguous Date Ranges in SQL? How do I concatenate Year, Month, and Day into an actual date? How do I convert a ...
T-SQL操作收集( 一), 1只复制一个表结构,不复制数据 selecttop0*into[t1]from[t2] 2获取数据库中某个对象的创建脚本 (1)先用下面的脚本创建一个函数if exists(select 1 from sysobjects where id=object_id('fgetscript') and objectproperty(id,'IsI
WHERE ($IDENTITY BETWEEN IDENT_SEED('table_test_6_2') AND 32766) AND ( NOT EXISTS (SELECT * FROM table_test_6_2 t2 WHERE t2.$IDENTITY = t1.$IDENTITY + IDENT_INCR('table_test_6_2') )) ELSE SELECT @nextidentval = IDENT_SEED('table_test_6_2') ...
<MERGE_TABLE> GROUP BY <DISTRIBUTION_COLUMN>; GO CREATE TABLE [check_table_2] WITH (DISTRIBUTION = HASH (x)) AS SELECT x FROM [check_table_1]; GO IF NOT EXISTS ( SELECT TOP 1 * FROM ( SELECT <DISTRIBUTION_COLUMN> AS x FROM <MERGE_TABLE> EXCEPT SELECT x FROM [check_table_2...
(MAX)) DROP TABLE IF EXISTS #temp CREATE TABLE #temp (Id BIGINT IDENTITY(1,1),TableName NVARCHAR(128),ColumnName NVARCHAR(200),Cnt BIGINT,MaxLen BIGINT,MinLen BIGINT,MissingDataCount BIGINT,MinValue NVARCHAR(MAX),MaxValue NVARCHAR(MAX),SpecialCharacters BIGINT,Leadin...
SELECT * FROM MyTable END My actual procedure is a little more complicated, which is why a sproc is necessary. Is it possible to select the output by calling this procedure? Something like: SELECT * FROM (EXEC MyProc) AS TEMP I need to useSELECT TOP X,ROW_NUMBER, and an additionalWH...