How can I use my own defined function in a query, to get an exact parameter in a table matching to the parameters in the function)
fGetConvRate(From,To)
From is a value in a field like P/GJ
To is a value in a field like P/TH
The conversion rate for P/GJ to P/TH = 0,10455525
JJ
fGetConvRate(From,To)
From is a value in a field like P/GJ
To is a value in a field like P/TH
The conversion rate for P/GJ to P/TH = 0,10455525
JJ