In certain cases its essential to clear all data in a particular column in a table.
For example a database name is school
There is a table inside school is student
A column inside school is email
Column email contains email ids of about 100 students.
Apply following command, if you want to clean all email id entries from email column.
mysql -uroot -p [enter mysql root password]
You can get mysql command prompt, enter following commands there;
use school;
UPDATE `student` SET `email` = '';
quit;
Now email column inside student table is clean.
For example a database name is school
There is a table inside school is student
A column inside school is email
Column email contains email ids of about 100 students.
Apply following command, if you want to clean all email id entries from email column.
mysql -uroot -p [enter mysql root password]
You can get mysql command prompt, enter following commands there;
use school;
UPDATE `student` SET `email` = '';
quit;
Now email column inside student table is clean.
