sql语句增加一个字段 SQL中如何将两列拼接?
SQL中如何将两列拼接?1. Oracle创建一个包含两列的表,name和job;创建表testujob(name varchar2(30),job varchar2(30))insert into
SQL中如何将两列拼接?
1. Oracle创建一个包含两列的表,name和job;创建表testujob(name varchar2(30),job varchar2(30))insert into testujob(name,job)values(“ste”,“teacher”)insert into testujob(name,job)values(“jack”,“driver”)insert into testujob(name,job)values(“mick”,“couro”)insert into testujob(name,job)values(“jacy”,“driver”)insert into testujob(namejob)values(“lucy”,“boxer”)insert into test | job(name,job)values(“John”,“ITER”)3 | job T4,编辑语句并拼接所需的SQL;选择name | “”s job is “| job from test | job t