I'm working now on a project which a user can save their own coupon codes on the websites, so I want to know what is the best to do that,

Lets say, I have 1 table with the users, like this,

userId  |  firstName  | lastName  | codeId

and then I have a table of the coupon codes, like this,

codeId  |  codeNumber

So what I can do is to connect the codeId to userId so when someone saves the coupons goes the codeId from the coupon table into the codeId of the users table,

But now what if when a user have multiple coupons what do I do it should be connected to the user?

I have 2 options what to do,

Option 1,

• Saving the codeId from coupons table into the codeId of users table like 1,2,3,4,5,

Option 2

• To make a new row into the coupons table and to connect the user to the code with adding another field in the coupon table userId and putting into it the user which has added the coupon his userId of the users table,

So what of the two options is better to do?

Thanks you guys.