SELECT codes, amount, (SELECT SUM(AB.amount) FROM table1 AB WHERE LEFT(AB.codes,LEN(AA.codes))=AA.codes) from table1 AAThe simply query is studying in the first hours on SELECT-SQL session.
>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) > >>