IF Object_id('GoldenSecurity') IS NOT NULL DROP TABLE dbo.GoldenSecurity;IF Object_id('GoldenSecurityRowVersion') IS NOT NULL DROP TABLE dbo.GoldenSecurityRowVersion;CREATE TABLE dbo.GoldenSecurity (securityID INT, CompanyId INT, Securityname VARCHAR(50), issuedate SMALLDATETIME, currencyID INT)CREATE TABLE dbo.GoldenSecurityRowVersion (RowversionDate DATETIME,securityID INT, CompanyId INT, Securityname VARCHAR(50), issuedate SMALLDATETIME, currencyID INT)INSERT INTO dbo.GoldenSecurity(securityID, CompanyId, Securityname, issuedate, currencyID)SELECT 20, 88, 'Silver Estate', '2015-01-03', 79UNION SELECT 21, 44, 'Trust Units', '2015-03-12', 79UNION SELECT 22, 75, 'Partnership Units', '2015-05-24', 79--SecurityID being the PK.--There is a change tracking table - GoldenSecurityRowVersion, which stores one row of last value of GoldenSecurity table before update. --timestamp of the update is inserted in RowversionDate--There can be change to one or more column, but it will capture one row against each update statement.INSERT INTO dbo.GoldenSecurityRowVersion (RowversionDate ,securityID , CompanyId , Securityname , issuedate , currencyID )SELECT dateadd(dd,-1,getdate()), 20, 98, 'Silver Estate', '2015-01-03', 79UNION SELECT dateadd(dd,-4,getdate()), 21, 108, 'Trust Units', '2015-03-12', 79UNION SELECT dateadd(dd,-5,getdate()), 22, 88, 'Some other Unit', '2015-05-24', 79select * from GoldenSecurity order by securityid select * from GoldenSecurityRowVersion order by securityid --Requirement is to get an output, when queried for single securityID, gives only the changed columnname (and last value/s if possible), somewhat like this---when queried for securityID 20securityID||CompanyID20 || 98 --when queried for securityID 21securityID|| CompanyID21 || 108--when queried for securityID 22securityID||CompanyID||Securityname 22 ||88 ||Some other UnitI hope it is clear, any help would be much appreciated.
↧