Mysql SQL statement to hide four digits in the middle of the phone number, mysqlsql

Source: Internet
Author: User

Mysql SQL statement to hide four digits in the middle of the phone number, mysqlsql

The first query table structure (sys_users ):

SELECT * from sys_users;


Method 1:Hide four digits in the middle of the phone number

Select REPLACE (mobile, SUBSTR (mobile, 4, 4), 'xxx') from sys_users


Method 2:Hide four digits in the middle of the phone number (recommended)

Select insert (mobile, 4, 4, 'xxxx') from sys_users;


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