How do PLS_INTEGER datatypes differ from SIMPLE_INTEGER datatype in PL/SQL?

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How can I differ this two datatypes in pl/sql. I have some choices regarding this, through which I have to differ them.

1) PLS_INTEGERs cannot have arithmetic operations performed directly on them without a hash conversion.

2) PLS_INTEGERs use Hex arithmetic resulting in reduced performance.

3) PLS_INTEGERs are only used in conjunction with pl/sql tables.

4) PLS_INTEGERs are renge restricted from -32767 to 32768.

5) PLS_INTEGERs raise an exception on calculation overflows.

Posted 10-Feb-15 20:22pm

Bittu14

Updated 10-Feb-15 20:50pm

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Kornfeld Eliyahu Peter · Answer 1 · 2015-02-10T20:34:00

RTFM...

Quote:
In 11g, a new data type SIMPLE_INTEGER has been introduced

Quote:
The basic difference between the two is that SIMPLE_INTEGER is always NOT NULL.

Quote:
Another difference is that the SIMPLE_INTEGER data type gives major performance boost over PLS_INTEGER...

https://decipherinfosys.wordpress.com/2008/03/13/a-new-data-type-in-oracle-11g-simple_integer/[^]