Can a table have 2 primary keys?

Can a table have two primary keys?

A primary key is a field or set of fields with values that are unique throughout a table. Values of the key can be used to refer to entire records, because each record has a different value for the key. Each table can only have one primary key.

How many primary keys I can have for a table?

A table can only have one primary key, but it can have multiple unique constraints.

How many primary keys can have in a table 2 points?

A database table can have only one primary key. A primary key must be unique in nature and it must not contain null values.

How do I create multiple primary keys in a table?

You can only have one primary key, but you can have multiple columns in your primary key. You can also have Unique Indexes on your table, which will work a bit like a primary key in that they will enforce unique values, and will speed up querying of those values.