Identify three guidelines for the DBMS_ASSERT package. (Choose three.)

Identify three guidelines for the DBMS_ASSERT package. (Choose three.)

Identify three guidelines for the DBMS_ASSERT package. (Choose three.)

A.
Prefix all calls to DBMS_ASSERT with the SYS schema name.

B.
Embed DBMS_ASSERT verification routines inside the injectable string.

C.
Escape single quotes when you use the ENQUOTE_LITERAL procedure.

D.
Define and raise exceptions explicitly to handle DBMS_ASSERT exceptions.

E.
Prefix all calls to DBMS_ASSERT with a schema name that owns the subprogram that uses the DBMS_ASSERT package.

Explanation:
DBMS_ASSERT Guideline
1 Do not perform unnecessary uppercase conversions on identifiers.
2 When using ENQUOTE_LITERAL, escape single quotation marks in the input.
3 Check and reject NULL or empty return results from DBMS_ASSERT
(test for NULL, ”, and ‘""’ ).
4 Protect all the injectable parameters and code paths.
5 Prefix all the calls to DBMS_ASSERT with the owning schema, SYS.
6 If DBMS_ASSERT exceptions may be raised from a number of input strings,
define and raise exceptions explicitly to ease debugging
during application development.

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Harjinder Sidhu

Harjinder Sidhu

A,C,D

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