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Help with sql query


Help with sql query

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ronyjosef
ronyjosef
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hello friends

I'm running this query on an MDB file from vb.Net,The inner SELECT works fine but when wrapped in the outer SELECT, I get the error "An action query cannot be used as a row source."





select * into NewTable

from

(

SELECT 'Table1' AS [Table], SUM(a) - SUM(b) AS Result FROM table1 union all

SELECT 'Table2' AS [Table], SUM(a) - SUM(b) AS Result FROM table2

)








SELECT "Table1" AS Table, SUM(a) - SUM(b) AS Result FROM table1

UNION

SELECT "Table2", SUM(a) - SUM(b) FROM table2

UNION

SELECT "Table3", SUM(a) - SUM(b) FROM table3



It gives me this output

table | result

-------|--------





I would like to know how do I update the below table "new table" with results column from output table?



name | table | result

------|-------|--------





GO


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