an alternative

i am using the formula below to check if a name exits in two tables if ,the problem is that the function checks the columns four times two with the count if and the other to get the address on a large table this can affect performance.I need to only check the table once and return a blank if the name does not exist.
=IF(COUNTIF(EMP_NAMES,EMPLOY_EE),ADDRESS(MATCH(EMPLOY_EE,EMP_NAMES,0),1),IF(COUNTIF(SUPV_EMP_COL,EMPLOY_EE),ADDRESS(MATCH(EMPLOY_EE,SUPV_EMP_COL,0),COLUMN(SUPV_EMP_COL)),""))
SvgmassiveAsked:
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NBVCConnect With a Mentor Commented:
Possibly an alternative for 2003?

=LOOKUP(REPT("z",255),CHOOSE({1,2,3},"",ADDRESS(MATCH(EMPLOY_EE,SUPV_EMP_COL,0),COLUMN(SUPV_EMP_COL)),ADDRESS(MATCH(EMPLOY_EE,EMP_NAMES,0),1)))
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Saqib Husain, SyedConnect With a Mentor EngineerCommented:
If you have 2007 or later you can try

=IFERROR(ADDRESS(MATCH(EMPLOY_EE,EMP_NAMES,0),1),IFERROR(ADDRESS(MATCH(EMPLOY_EE,SUPV_EMP_COL,0),COLUMN(SUPV_EMP_COL)),""))
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SvgmassiveAuthor Commented:
no some folks still have 2003
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Saqib Husain, SyedEngineerCommented:
Then try using two dummy columns with the two address functions

=ADDRESS(MATCH(EMPLOY_EE,EMP_NAMES,0),1)
=ADDRESS(MATCH(EMPLOY_EE,SUPV_EMP_COL,0),COLUMN(SUPV_EMP_COL))

and then something like

=if(iserror(col1),if(iserror(col2),"",col2),col1)

You can hide the dummy columns.
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