新增IP数是怎么求的呢
Jun 13, 2016 pm 12:30 PM
新增IP数是如何求的呢?
比如;
表中已有IP数1000W条,今天有100W条IP访问,
求今天的新增IP数,如何快速求出呢
我想 大概是将今天这100W条IP逐个和已存在的1000W条IP比对,如果有重复的就删减,最后得到的就是新增的IP。这样可能会卡死,如何快速做到呢。

Hot Article

Hot tools Tags

Hot Article

Hot Article Tags

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

Solution: Your organization requires you to change your PIN

How to adjust window border settings on Windows 11: Change color and size

How to change title bar color on Windows 11?

How to enable or disable taskbar thumbnail previews on Windows 11

OOBELANGUAGE Error Problems in Windows 11/10 Repair

10 Ways to Adjust Brightness on Windows 11

How to turn off private browsing authentication for iPhone in Safari?
