It's so magical! Ha ha ha ha

I can really laugh for a few days

land:

 mysql -hlocalhost -uroot -p

Select database:

 USE [database]

Display the number of a data table:

 Select count (*) from [Data Table];

Find the specified amount of data in a data table:

 Select count (*) from [Data Table] where id=1;

Display the record number of a data table (calculated from 0):

 Select * from [data table] limit [which items to display], [how many items to display];

I don't know how diligent the administrator is. He closed the teaching building before 10 o'clock. I was locked inside when I was sorting out the router.

Labor and capital opened the wrong locking function and found it a few days later TM guessed more than 300 times

853 On the way to record and take photos, it just began to rain

The color matching of my wonderful flower is just too good...
Color matching is too noisy... So recover
PS: You can't see hamsters without flash