|  |      1lhx2008      2020-05-07 07:23:52 +08:00 via Android 有点长。。 | 
|  |      3agagega      2020-05-07 07:58:35 +08:00 via iPhone 用 is null 不是=null | 
|      5krixaar      2020-05-07 08:03:46 +08:00 select nvl(girl, 'boy') as "girlfriend" from girls where age between 20 and 25 and boyfriend is null; | 
|      9ipadpro4k      2020-05-07 08:24:48 +08:00 via iPhone 和程序猿做网站给女朋友一样 | 
|      11strivezheng      2020-05-07 08:51:35 +08:00 limit 100 0 rows | 
|      12wework OP @strivezheng 牛逼牛逼,想必老铁也是单身吧 手动狗头 |