How to Compare 2 tables and get the Unmatched rows? But In each table there are more than 500000 records.I want to compare 2 tables by using LastName,FirstName,MiddleName,SSN Number,Nap_Id number,...

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SQL-Server-2012

How to Compare 2 tables and get the Unmatched rows? But In each table there are more than 500000 records.I want to compare 2 tables by using LastName,FirstName,MiddleName,SSN Number,Nap_Id number, and DateOfBirth ?

Posted 19-Sep-14 23:25pm

Adapala Ashok Kumar

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Aarti Meswania · Accepted Answer · 2014-09-20T06:11:00

To fetch records which are in table1 but not in table2

SQL

select LastName,FirstName,MiddleName,SSN Number,Nap_Id number
From table1
EXCEPT
select LastName,FirstName,MiddleName,SSN Number,Nap_Id number
From table2

To fetch records which are in table2 but not in table1

SQL

select LastName,FirstName,MiddleName,SSN Number,Nap_Id number
From table2
EXCEPT
select LastName,FirstName,MiddleName,SSN Number,Nap_Id number
From table1

Happy Coding! :)