What advantages does the third normal form provide in database normalization?

The Third Normal Form (3NF) is a stage of database normalization that provides the following advantages:

• Elimination of transitive dependencies. In 3NF, each non-key column depends only on the primary key, not on other non-key columns. This reduces data redundancy.

• Improvement of data integrity. By eliminating redundancy, the likelihood of data inconsistency during updates is reduced.

• Simplification of maintenance and structural changes. Tables become more logical and independent, making it easier to make modifications.

• Storage optimization. Less data duplication means less space used.

Example: if a "Orders" table stores information about a client (name, address), then when moving to 3NF, client data is moved to a separate "Clients" table, and the "Orders" table only contains a reference to the client. This prevents duplication of client information in each order.