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我试图检查变量'prodno'是否包含任何非整数字符。 如果有,则删除非整数字符。SQL如何检查变量是否包含非整数字符并删除非整数字符
-- Expected output:
prodno A18
prodno K67
drop table ass3_product cascade constraints;
create table ass3_product (
prodno varchar2(30) primary key,
prodname varchar2(30),
purchasecost number(6,2)
);
insert into ass3_product values ('23','Prod One', 10);
insert into ass3_product values ('54','Prod Two', 50);
insert into ass3_product values ('A18','Prod Three', 35);
insert into ass3_product values ('9','Prod Four', 4);
insert into ass3_product values ('K67','Prod Five', 15);
SELECT prodno
FROM ass3_product
WHERE prodno like '%[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ]%';
非常感谢! – 2013-05-05 06:04:09