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Normalization
The second normal form is about ensuring that each non-key column is fully functionally dependent on the
.
A key attribute in achieving the first normal form is to eliminate
groups of data.
A table in first normal form does not contain any repeating groups or
of data.
3rd Normal Form
In 2nd normal form (2NF) a table should first satisfy which normal form?
What is the purpose of a primary key in a database table?
Primary Key
A relation that is in 2nd normal form (2NF) is automatically in which normal form?
Dependency
What is the main goal of normalizing a database?
2nd Normal Form
The third normal form is about removing
dependencies between columns.
What is the first normal form (1NF)?
Atomic Values
What is a candidate key in a relation?
1st Normal Form
The first normal form is about ensuring each column contains only
values.
What is the purpose of the third normal form (3NF)?
Second normal form is important as it helps in splitting data into
tables to avoid redundancy.