Please try bellow query, I hope it will help you.

Select
substr("abcd-xyz-101-pqrs",1,instr("abcd-xyz-101-pqrs","-",1,1)-1) AS FirstColumn,
substr("abcd-xyz-101-pqrs",instr("abcd-xyz-101-pqrs","-",1,1)+1,instr("abcd-xyz-101-pqrs","-",1,2)-1) AS SecondColumn,
substr("abcd-xyz-101-pqrs",instr("abcd-xyz-101-pqrs","-",1,2)+1,instr("abcd-xyz-101-pqrs","-",1,3)-1) AS ThirdColumn,
substr("abcd-xyz-101-pqrs",instr("abcd-xyz-101-pqrs","-",1,3)+1,count("abcd-xyz-101-pqrs") AS FourthColumn
from sample

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