should I add new table to store new field in zencart db?

Question

should I add new table to store new field in zencart db? zencart original table

table : customers
customers_id | ...
1 | ...
2 | ...

now I need to add a new field for customer I create a new table

table : customers_extra
customers_id | is_blogger
1 | 0
2 | 1

or directly created in the customers table

table: customers
customers_id | ... | is_blogger
1 | ... | 0
2 | ... | 1

which method should I use ? will add new table be worth to do ? will it slow down the query speed?

Answer 1

I would just add it on to the Customers table. It's a lot less work that way. And no, you won't experience a slowdown from adding a one character field to a table like this.