how to implement a complicated sql command

Question

I have a sql table in a MySQL with the following records:

+------+----------+
| user |   dob    |  
+------+----------+
| john | 1/10/96  | 
| jane | 3/4/97   |          


        

Answer 1

DELETE FROM users WHERE dob < '2000-01-01'

Please note : I am considering that you are actually saving date in datetime format in MYSQL. Also, you can use various formats for date in MYSQL. Refer : https://stackoverflow.com/a/14051310/6385845