I need to compare two tables and display only matched columns and status.

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Hi,

I have a table with below values

table1

    id
10802000320601	
10802000320602	
10802000320603	
10802000320604	
10802000320605	
10802000320606	
10802000320607	
10802000320608	
10802000320609	
10802000320610	
10802000320611	
10802000320612	
10802000320613

table2

     id
10802000320601	
10802000320602	
10802000320603	
10802000320604	
10802000320605	
10802000320606

I need to compare two tables and display only matched columns and status.

Example: Output

     id                Status
10802000320601	   Matched 
10802000320602	   Matched  
10802000320603	   Matched 
10802000320604	   Matched 
10802000320605	   Matched 
10802000320606	   Matched 
10802000320607	   Unmatched 
10802000320608	   Unmatched
10802000320609	   Unmatched
10802000320610	   Unmatched
10802000320611	   Unmatched
10802000320612	   Unmatched
10802000320613	   Unmatched

Help me.

Posted 18-Apr-13 21:30pm

subbu a

Updated 18-Apr-13 21:32pm

Maciej Los

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Maciej Los · Answer 1 · 2013-04-18T21:36:00

Solution 1

If Table1 contains more data then Table2, try this:

SQL

SELECT t1.id, CASE WHEN t2.id IS NULL THEN 'Unmatched' ELSE 'Matchaed' END AS 'CompareResult'
FROM Table1 AS t1 LEFT JOIN Table2 AS t2 ON t1.id = t2.ID

Idea: get all data from Table1 and only these data which are equal in table2. If id in table2 is NULL, then it means 'Unmatched'.

Posted 18-Apr-13 21:36pm

Maciej Los

Comments

subbu a 19-Apr-13 3:44am

it will shows error

error is

The multi-part identifier "c.CIDR_Number" could not be bound.

subbu a 19-Apr-13 3:48am

sorry it will works. i am doing one mistake

thanks

Maciej Los 19-Apr-13 3:58am

Please, mark this solution as "solved" (formally).