Variable Names in PL/SQL Must Start with a Letter and Can

question 60

Multiple Choice

Variable names in PL/SQL must start with a letter and can contain letters,dollar signs,underscores,and number signs,but cannot exceed ____ characters.

• A)15
• B)​30
• C)45
• D)​60

---

Definitions:

Contactor

A special-purpose relay designed to establish and interrupt the power flow of high-current electric circuits.

Heavy Power Loads

Electrical loads that consume a significant amount of power, typically found in industrial settings.

Overload Relay

A special-purpose relay designed so that its contacts transfer whenever its current exceeds a predetermined value. Overload relays are used with electric motors to prevent motor burnout due to mechanical overload.