"SQL Injection Attacks" Have Been Responsible for Many Cases of Data

question 60

Multiple Choice

"SQL injection attacks" have been responsible for many cases of data theft.One of the solutions for preventing these attacks is:

• A)Never use double quotes in the query.
• B)Never use single quotes in the query.
• C)Never add a string to a query that you didn't type yourself.
• D)Never add a number to a query that you didn't type yourself.

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Definitions:

Postcondition Comments

Comments placed in code to specify the state or the expected outcome after a certain block of code has been executed.

Postconditions

Conditions that must be true after the execution of a segment of code or program, used in formal methods to verify correctness.

Preprocessor Directives

Instructions given to the C or C++ compiler's preprocessor, affecting the compilation process before actual compilation starts.

Named Constants

Variables with assigned values that cannot be altered during the execution of a program, used for readability and ease of maintenance.