Which of the Following PL/SQL Blocks Requires the Variable to Always

question 81

Multiple Choice

Which of the following PL/SQL blocks requires the variable to always contain a particular value within the block?

• A) DECLARE
• Order NUMBER(2) := 0;
• Departure DATE;
• BEGIN
• ---- executable statements ---
• END;
• B) DECLARE
• Order NUMBER(2,2) := .06;
• Departure DATE;
• BEGIN
• ---- executable statements ---
• END;
• C) DECLARE
• Order CONSTANT NUMBER(2,2) := .02;
• Departure DATE;
• BEGIN
• ---- executable statements ---
• END;
• D) DECLARE
• Order NUMBER(2) CONSTANT := .03;
• Departure DATE;
• BEGIN
• ---- executable statements ---
• END;

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