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Developer-C 11.1
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CREATE TABLE loan_user ( id long, amount long );
INSERT INTO loan_user(id, amount) values (1,7000), (2,7000), (3,5000);
CREATE PROCEDURE loan_check(OUT _answer BIGINT) BEGIN DECLARE a int; select count(amount) into a from loan_user where amount=7000; SET _answer = a; END
SET @answer := 0; CALL loan_check(@answer); SELECT IF(@answer = 2, 'yes',@answer)as answer
answer
yes