Jquery 在WebSQL中将两列连接为一个resultset列

我想在web sql中运行这种查询

SELECT ID,
       (StartTime+EndTime) AS TimePeriod 
  FROM Department

请有人引导我。谢谢

结果：

   SELECT ID, 
          StartTime || EndTime AS TimePeriod 
     FROM Department

结果:

   SELECT ID, 
          StartTime || EndTime AS TimePeriod 
     FROM Department

结果:

   SELECT ID, 
          StartTime || EndTime AS TimePeriod 
     FROM Department

结果:

   SELECT ID, 
          StartTime || EndTime AS TimePeriod 
     FROM Department

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是一个concatoperator@Alexander：谢谢你，朋友<代码>| |是一个concatoperator@Alexander：谢谢你，朋友<代码>| |是一个concatoperator@Alexander：谢谢你，朋友<代码>| |是一个concatoperator@Alexander：谢谢你，朋友！