I believe VLOOKUP will be your new best friend.

Example:
=VLOOKUP(A2,'Database 2'!A:D,3,FALSE)

See XL help file for further detail.
--
Best Regards,

Luke M
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"ch" wrote:

Hi Gurus,

I have 2 databases containin details of the same unique field eg serial number
Is there a simple quick way to merge them by the unique serial number if the
2 databases are found on different sheets of the same work book ?

Database 1
serial_number Field1 Field2
0001 xxx xxx
0002 xxx xxx
. . .
. . .
0xxx xxx xxx


Database 2
serial_number Field3 Field4
0001 xxx xxx
0002 xxx xxx
. . .
. . .
0xxx xxx xxx