sql 2008 charindex

Label: isnull(aa,0)删除表数据： truncate table aaa添加字段： ALTER TABLEtable1ADDcol1varchar(200)DEFAULT ‘2008-05-22‘ 修改字段名： alter table table1 rename column col1 to col2; 修改字段属性： alter table table1 alter column col1 varchar(200) not null; 修改默认值： alter table table1 add constraint df default(‘嘿嘿‘) for col1; insert intotable1(COL1,COL2) Select Col1,col2 From Table2 where table2.id=1 update t sett.col1=o.col1 fromtable1 ASt inner join table

Update #tempSet #temp. Recycle=case when uniona.num>0 then 1 else 0 endFrom (select Gradeid,sum (num) as num from Areaallotwhere CHARINDEX (@Area, Areaallot.area) =1 and LEN (@Area) =len (area)-2Group by Gradeid) Uniona INNER JOIN #tempOn uniona.gradeid= #temp. Gradeid1, for this charindex today tangled a very long time to figure out how to make clear is how a meaning. In order to forget later, so probably

Tags: index solution based on keyword har results in SQL Server failure efficiencyProblem: There's a lot of data on both tables. The A1 field in a table needs to be associated with the B table primary key query A1 field stores multiple B table primary keys The format is: Format 1:B1,B2,B3 Format 2:B4 Format 3:b5,b6 Comma-delimited minority This leads to the use of like '%...% ', charindex, or replace (A1,B1

--The first parameter is the string to be intercepted, the second argument is truncated from the first character, and the third argument is the length of the Intercept.--For example: Select SUBSTRING (' 12345678 ', 1,4) returns 1234--Select SUBSTRING (' 12345678 ', 0,4) returns 123Select SUBSTRING (' 12345678 ', 1,4)Grammar The CHARINDEX (expression1, Expression2, [start_location]) parameter expression1 An expression that contains the order of the cha

No matterProgramIt is still a stored procedure, so we need to develop a good habit of commenting!Not long-winded. Update a set filename = substring (filename, charindex ('/', filename) + 1, Len (filename ))Ha ~ Recently, I like databases and regular expressions! Raiserror Severity Level of message association defined by the user. You can use a severity level ranging from 0 to 18. The severity levels between 19 and 25 can only beSysAdminUsed by fix

SQL: charindex ('string', field)> 0 charindex ('admin', MUserID)> 0Oracle: instr (field, 'string',)> 0 instr (MUserID, 'admin',)> 0The Instr function in Oracle is used in the project. By the way, I learned this knowledge carefully.In Oracle, you can use the Instr function to determine whether a string contains specified characters.Its syntax is:Instr (string, sub

DECLARE @s VARCHAR (100)SET @s= ' r1-1-1 ' gets the number after the last "-"SelectREVERSE(@s) return value: 1-1-1R reverses the character. SelectLEN(@s) return value: 6 Get length SelectCHARINDEX(‘-‘,REVERSE(@s)) Return value: 2--Gets the position of the first occurrence of a string, and returns 0 Select if no character is changedSTUFF(@s,1,LEN(@s)-CHARINDEX(‘-‘,REVERSE(@s)) +1, ') return value: 1STUFFFunctionSTUFF (expression, start, length, Relacec

SQL Server like, CHARINDEX, patindex1, Environment Introduction test environment SQL2005 test data 200W 2, Environment preparation 2.1 tables CREATE TABLE [dbo]. [Depratments] ( [dep_id] [int] not null, [dep_name] [varchar] (a) COLLATE Chinese_ Prc_ci_as not NULL) on [primary]2.2 Creating data CREATE PROCEDURE ins_depratmentsas DECLARE @n int; DECLARE @title varchar (+); set @n =1; Set @ti

Tags: def knowledge point class ret sel print keyword har expr70651358Knowledge Point one: CHARINDEX () syntax CHARINDEX ( expression1 , expression2 [ , start_location ] )解析： expression1 必需 ---要查找的子字符串 expression2 必需 ---父字符串 start_location 可选 ---指定从父字符串开始查找的位置，默认位置从1开始Knowledge Point two: The role of CHARINDEX () 从expression2字符串中指定的位置处开始查找是否包含e

Label: The charindex feature is often used to search through character ranges in characters or strings.assuming that the searched character includes a character search, then the function returns a nonzero integer that is the beginning of the character in the searched character. That is, the CHARINDEX function returns the starting position of a character or string in a string.The

Install the tool when the VS2008 installed vs comes with the SQL tools, waiting for me to install SQL Server R2 when the "earlier version of Microsoft Visual Studio 2008" problem, found on the Internet solution is as follows :------for 32-bit systems (I am a bit of a 64-bit system this is all right.) Installing SQL Ser

Tags: style io ar color sp on div Art BSDECLARE @s VARCHAR (100)SET @s= ' r1-1-1 ' gets the number after the last "-"SelectREVERSE(@s) return value: 1-1-1R reverses the character. SelectLEN(@s) return value: 6 Get length SelectCHARINDEX(‘-‘,REVERSE(@s)) Return value: 2--Gets the position of the first occurrence of a string, and returns 0 Select if no character is changedSTUFF(@s,1,LEN(@s)-CHARINDEX(‘-‘,REVERSE(@s)) +1, ') return value: 1STUFFFunctionS

Today, after reloading the system, I need to install the development tools, I use the development tools are visual Studio2008 and SQL Server2008r2, when the installation of the visual Studio2008 in the database when the problem occurs:Workaround:Install patches. Download installationhttp://www.microsoft.com/zh-CN/download/details.aspx?displaylang=enid=13276The rule "earlier versions of Microsoft Visual Studio 2008