Validating data on insert or update


hi

new @ this. 

questions when data being inserted or updated how can trap that, check data , modify before inserted or updated?

thanks

regards


if want modify data need use trigger, if need check data can use check constraint

http://www.w3schools.com/sql/sql_check.asp

http://msdn.microsoft.com/en-us/library/ms189799.aspx

signature



SQL Server  >  Getting started with SQL Server



Comments

Post a Comment

Popular posts from this blog

SQL server replication error Cannot find the dbo or user defined function........

hi there, i ran problem while deploying sql 2008 transactional replication between 2 servers lets assume server , b. actually created  both distributor , publisher on server , after created subscriber pointed server b, launch replication monitor , found big red cross. when click on tab "distributor subscriber history" error says "cannot find either column "dbo" or user defined-function or aggregate "dbo.ufnleadingzeros", or name ambiguous". can body regarding issue. regards, ishuv hi, you need compare data , others reseved, index size, unused should not compared. differs. here server - data - 87896 kb server b - data - 78152 kb server data size includes publication tables, can't compare directly. need check article article know exact data size. SQL Server  >  ...
Read more

BIT Version

  hi,     knows how find out ther bit version in sql  , windows os (32 or 64)   regards, s.balavenkatesh   microsoft sql server 2005 - 9.00.1399.06 (intel x86) oct 14 2005 00:33:37 copyright (c) 1988-2005 microsoft corporation standard edition on windows nt 5.2 (build 3790: service pack 2)     intel x86)   -- says sql server 32 bit   madhu SQL Server  >  SQL Server Tools
Read more

Admin Permissions

hi need create new 'role' following permissions, 1. access sql server logs. 2. access maintenance plans ( can avoid access) 3. access activity monitor 4. normal access product databases , not system db´s need guidance on how it, can point me in right direction please? thanks 1.grant  execute on xp_readerrorlog [domainname\ad user or group]; 2. http://technet.microsoft.com/en-us/library/ms191002.aspx 3.view server state permission 4. make user member of dbo_owner database role. best regards,uri dimant sql server mvp, http://sqlblog.com/blogs/uri_dimant/ ms sql optimization: ms sql development , optimization ms sql consulting: large scale of database , data cleansing remote dba services: improves ms sql database performance sql server integration services: business intelligence SQL Server  >  ...
Read more