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Question ID 20562

Examine the following PL/SQL statements:
Stmt='SELECT session_id FROM sessions WHERE '|| p_where_stmt;
Identify a solution for preventing SQL injection in the above code.

Option A

Replace P_WHERE_STMT with a bind variable

Option B

Do not use APIs that allow arbitrary query parameters to be exposed

Option C

Use the RESTRICT_REFERENCES clause in the PL/SQL subprogram that contains the code

Option D

Use DBMS_SQL to detect that the expression provided for P_WHERE_STMT is free from SQL injection

Correct Answer B
Explanation


Question ID 20563

Which two statements are true about cursor variables? (Choose two.)

Option A

Cursor variables can be parameterized like cursors

Option B

The query associated with a cursor variable cannot reference host varaible and PL/SQL variables

Option C

The FETCH statemetn executes the query assocaited with a cursor variable and identifies the result yet

Option D

Cursor attributes (%FOUND,%NOTFOUND,%ISOPEN and %ROWCOUNT) can be applied to a cursor variable

Option E

The OPEN FOR statement executes the query associated with a cursor variable and identifies the result set

Correct Answer D,E
Explanation

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