php/mysql database questions?

piki to to loss

New member
Hi I'm new yet learning really fast with php and mysql.
I even made a small site just to check my skills out (www3.comli.com)

My question is, is it possible to create a table that can add slots to it after it has been made.
example if table_1 has the slots "id","email","name"
and i create it, is it possible on a certain row (lets say where email = [email protected])
that i could add a forth slot. but lets say on a different row (lets say where email = [email protected]) i could add 2 new slots?

is this even possible? or would i have to have all the slots made before hand?
thanks for any advise!
 
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