2.插入樣本數據;
插入到test _ job(name,job)值中(ste,‘teacher‘);
插入到test _ job(name,job)值中(“jack”,“driver”);
插入到test _ job(name,job)值中(mick,‘cooker‘);
插入到test _ job(name,job)值中(jacy,‘driver‘);
插入到test _ job(name,job)值中(lucy,‘boxer‘);
插入到test _ job(name,job)值中(john,‘ITER‘);
3.執行查詢語句,數據已經插入;從測試作業測試中選擇*
4.編輯語句並拼接所需的sql;select name||““的作業是“| | JOB from TEST _ JOB t;