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我不断收到一个SQL查询用下面的查询:找不到我的错误在创建MySQL中的功能
CREATE FUNCTION qualCand(salary int, gpa decimal(5,3), city varchar(255), state char(2)) returns VARCHAR(255)
DECLARE r VARCHAR(255)
SET r = (SELECT ca.firstname, ca.lastname, ca.phone, ca.email
FROM Candidates ca
JOIN education e
ON ca.candID = e.candID
JOIN desiredPos dPos
ON ca.candID = dPos.candID
JOIN desiredLocation dLoc
ON ca.candID = dloc.candID
WHERE dPos.desiredSalary >= salary AND
dLoc.sity = city AND
dLoc.state = state AND
e.GPA >= gpa);
MySQL表示:
#1064 - 你有一个错误你的SQL语法;检查与您的MySQL服务器版本相对应的手册,以找到正确的语法,用于'DECLARE r VARCHAR(255)
SET r =(在第3行选择ca.firstname,ca.lastname,ca.phone,c'