Anonymous Asked in Cars &Transportation · 2 weeks ago

Can one table have 2 primary keys?

A table can have only ONE primary key; and in the table, this primary key can consist of single or multiple columns (fields).


Can we have 2 primary keys in a table?

Each table can only have one primary key. Access can automatically create a primary key field for you when you create a table, or you can specify the fields that you want to use as the primary key.

Can single tables have multiple primary true keys?

A table can have only one primary key, which may consist of single or multiple fields. When multiple fields are used as a primary key, they are called a composite key. If a table has a primary key defined on any field(s), then you cannot have two records having the same value of that field(s).

Can a table have multiple primary keys justify?

Yes, we can have more than one column as primary key to solve some business requirements. Primary Keys ensures that the column(s) will not have duplicate values , Null in the table.

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.

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