什么是最短和/或高效的sql语句来排序具有电子邮件地址列的表,它是DOMAIN名称片段？
这实际上是忽略电子邮件地址和大小写不敏感之前的任何“@”.我们忽略这个国际化的域名.
来自TABLE1的样本数据
id name email ------------------------------------------ 1 John Doe johndoe@domain.com 2 Jane Doe janedoe@helloworld.com 3 Ali Baba ali@babaland.com 4 Foo Bar foo@worldof.bar.net 5 Tarrack Ocama me@am-no-president.org
按电子邮件排序
SELECT * FROM TABLE1 ORDER BY EMAIL ASC
id name email ------------------------------------------ 3 Ali Baba ali@babaland.com 4 Foo Bar foo@worldof.bar.net 2 Jane Doe janedoe@helloworld.com 1 John Doe johndoe@domain.com 5 Tarrack Ocama me@am-no-president.org
按域排序
SELECT * FROM TABLE1 ORDER BY？ ASC
id name email ------------------------------------------ 5 Tarrack Ocama me@am-no-president.org 3 Ali Baba ali@babaland.com 1 John Doe johndoe@domain.com 2 Jane Doe janedoe@helloworld.com 4 Foo Bar foo@worldof.bar.net
