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Execute sql standard deviation

Question asked by Hudi on Dec 4, 2012
Latest reply on Dec 5, 2012 by jbante

For some reason this works fine:

 

ExecuteSQL (" SELECT AVG("Grade") FROM"Test" WHERE ("Student") = ?"

; "" ; "";Student::Name)

 

But this returns and error (?)

 

ExecuteSQL (" SELECT STDEV("Grade") FROM"Test" WHERE ("Student") = ?"

; "" ; "";Student::Name)

 

 

What gives?

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