f a field is the primary key of a table, then the value in that field must be unique.Question 5Select one:TrueFalse

Which of the following is defined as a field that contains a unique value for each record? 1. Unique Field 2. New Field 3. None of the above 4. Primary Key

What uniquely identifies each row in a table?1 pointThe primary key of a relational tableThe textual dataThe secondary key of a relational tableThe columns

In a database table, the Blank______ field is a unique identifier for each record.Multiple choice question.primary keyforeign key

Which of the following is true about a primary key?Group of answer choicesIt is not necessary for a primary key to be unique.It must be unique for each record in the table.It can contain NULL values.A table can have multiple primary keys.

Which of the statement(S) are incorrect w.r.t primary key in SQL. A. A primary key can contain duplicate values to ensure redundancy.B. A primary key can be a composite key, consisting of multiple columns.C. A primary key must be an auto-increment field.D. A primary key cannot be null