Each column has a data type. They define what type of data is allowed in each field. Understanding them unlocks tons of functions and features and avoids pitfalls that cause a lot of heartache. These ...

insert into studets_ineuron values (101 , 'fsda' ,'test@gmail.com' , 'active' , 01) insert into studets_ineuron values (101 , 'fsda' ,'test@gmail.com' , 'active' , 01 ...