Why to use NOT INSTANTIABLE clause in PL/SQL?

1.	Why to use NOT INSTANTIABLE clause in PL/SQL?
Answer» The HEXTORAW in PL/SQL introduced to convert a hexadecimal VALUE into a raw value. An EXAMPLE here DISPLAYS the same: HEXTORAW('7E') The output: 7E

Answer»

The HEXTORAW in PL/SQL introduced to convert a hexadecimal VALUE into a raw value. An EXAMPLE here DISPLAYS the same:

HEXTORAW('7E')

The output:

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