DB Development Question: Download Questions PDF
What is the difference between case version and decode version?
Answer:
Decode
1.It’s a function
2.can compare only discrete values
3.pl/sql standards
4.cannot process null
Case
1.It's an Expression
2.can handle range values
3.ANSI Standards
4.Processing time is faster when compared to Decode
5.can process null
1.It’s a function
2.can compare only discrete values
3.pl/sql standards
4.cannot process null
Case
1.It's an Expression
2.can handle range values
3.ANSI Standards
4.Processing time is faster when compared to Decode
5.can process null
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