is it possible to assign two primary key in a table
Answers were Sorted based on User's Feedback
Answer / sushma s
A table can have only one primary key assigned.
Is This Answer Correct ? | 19 Yes | 0 No |
Answer / sudipta santra
IF WE MAKE COMPOSITE PRIMIRAY KEY THEN ONLY MORE THAN ONE
COLUMNS WILL BE BIND UP.
Is This Answer Correct ? | 11 Yes | 1 No |
Answer / jd
At the end of the day a primary key is unique non null value
that the data is indexed upon.
Even if only one column can be explicitly defined as the PK.
It is possible to uniquely identify a row differently, by
creating a unique non null column that is indexed. It is
implicitly then a PK.
Is This Answer Correct ? | 4 Yes | 0 No |
Answer is strictly NO...!!!
we may have morethan one unique column in a table but we should assign only one primary key...!!
Is This Answer Correct ? | 3 Yes | 0 No |
List the different types of normalization?
Please can the SQL code below be interpreted IF @xMatchCriteria='MATCH12' BEGIN IF EXISTS (Select * from #InsightData where (EmailAddress=@xDCPEmailAddress ) ) BEGIN SET @xTestMatchCriteria = @xMatchCriteria; SELECT @xCRMCustomerId=CustomerId, @xCRMDcpCustomerId=DcpCustomerId, @xCRMPortalCustomerID=PortalCustomerID,@xCRMDcpID=DcpID, @xCRMCardNumber=CardNumber, @xCRMEmailAddress=EmailAddress, @xCRMfirtLetterFirstName=firtLetterFirstName, @xCRMLastName=Surname,@xCRMAddressLine1=AddressLine1, @xCRMPostCode=PostCode FROM #InsightData where (EmailAddress=@xDCPEmailAddress ) END ELSE BEGIN SET @xTestMatchCriteria='No'+@xMatchCriteria; END END
Use a regular expression to find records. Use “REGEXP BINARY” to force case-sensitivity. This finds any record beginning with r.
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