sql語句增加一個字段 SQL中如何將兩列拼接?
SQL中如何將兩列拼接?1. Oracle創(chuàng)建一個包含兩列的表,name和job;創(chuàng)建表testujob(name varchar2(30),job varchar2(30))insert into
SQL中如何將兩列拼接?
1. Oracle創(chuàng)建一個包含兩列的表,name和job;創(chuàng)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(“l(fā)ucy”,“boxer”)insert into test | job(name,job)values(“John”,“ITER”)3 | job T4,編輯語句并拼接所需的SQL;選擇name | “”s job is “| job from test | job t