>CREATE CURSOR table1 (codes c(7),names c(10),amount n(4)) >INSERT INTO table1 VALUES ('1','',0) >INSERT INTO table1 VALUES ('11','',0) >INSERT INTO table1 VALUES ('1101','',0) >INSERT INTO table1 VALUES ('1101001','',200) >INSERT INTO table1 VALUES ('1101002','',600) >INSERT INTO table1 VALUES ('1101005','',700) >INSERT INTO table1 VALUES ('1102','',0) >INSERT INTO table1 VALUES ('1102001','',100) >INSERT INTO table1 VALUES ('1102003','',400) >INSERT INTO table1 VALUES ('12','',0) >INSERT INTO table1 VALUES ('1201','',0) >INSERT INTO table1 VALUES ('1201001','',800) >INSERT INTO table1 VALUES ('1201003','',300) > >>
SELECT T.Codes, X.TotalAmount ; from Table1 T ; inner join (select SUM(Amount) as TotalAmount, LEFT(codes, 4) as FirstFour FROM Table1 GROUP BY 2) X ON T.Codes = X.FirstFour ; where T.Amount = 0