will the following function compile and execute declare intvalue int4 begin..., PostgreSQL, Databases

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Question:Will the following function compile and execute?
DECLARE
   intValue int4;
BEGIN
   intValue := 20 * 20;
   return intValue;
END;

A It will not compile 
B It will compile but will give a runtime error 
C It will compile but will not produce any output 
D It will compile and will produce 400 as output

/85

+ AnswerD

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Question:Will the following function compile and execute? DECLARE intValue int4; BEGIN intValue := 20 * 20; return intValue; END;

A It will not compile

B It will compile but will give a runtime error

C It will compile but will not produce any output

D It will compile and will produce 400 as output

D