Sleeper: PowerPivot Adding new sheet to already created Database.

Hello friends, hope all is well!


The below code uses a SQL code to combinemulti sheets (workbooks) into 1.

because there are many rows it is expected totake time, that is OK. The process is done. Now, I want to add on a differentdate a new sheet,

let ussay F:\DATABASES\AvgClaimCo\14.xlsb`.[JAN-APR$]

Can somebody please help, and tell me how canI add the above sheet to the existing already added sheets from a previousperiod.
instead of redoing the UNION ALL All overagain of 2015,2016,2017,2018?

This will save loads of time, and effort.Thanks a lot in advance!

Code:

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SELECT [HEAD$].*  FROM [HEAD$]



UNION ALL
SELECT * FROM`F:\DATABASES\AvgClaimCo\17-18.xlsb`.[JAN-APR$]

UNION ALL
SELECT * FROM`F:\DATABASES\AvgClaimCo\17-18.xlsb`.[MAY-AUG$]


UNION ALL
SELECT * FROM`F:\DATABASES\AvgClaimCo\17-18.xlsb`.[SEP-DEC$]


UNION ALL
SELECT * FROM`F:\DATABASES\AvgClaimCo\16.xlsb`.[JAN-MAR$]


UNION ALL
SELECT * FROM`F:\DATABASES\AvgClaimCo\16.xlsb`.[APR-SEP$]

UNION ALL
SELECT * FROM`F:\DATABASES\AvgClaimCo\16.xlsb`.[OCT-DEC$]



UNION ALL
SELECT * FROM`F:\DATABASES\AvgClaimCo\15.xlsb`.[Jan-Mar$]


UNION ALL
SELECT * FROM`F:\DATABASES\AvgClaimCo\15.xlsb`.[Apr-Jun$]

UNION ALL
SELECT * FROM `F:\DATABASES\AvgClaimCo\15.xlsb`.[Jul-Sep$]


UNION ALL
SELECT * FROM`F:\DATABASES\AvgClaimCo\15.xlsb`.[Oct-Dec$]

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