Fungsi substr pada Oracle untuk karakter awal angka 0 apa 1 ?
q> Kutipan dari sumber
The parameter startPosition and the optional parameter lengthOfString are both integer expressions. The first character or bit has a startPosition of 1. If you specify 0, Derby assumes that you mean 1.
Sumber ::
http://docs.oracle.com/javadb/10.8.2.2/ref/rrefsqlj93082.html
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