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DATABASE THIRD NORMAL FORM (3NF) http://www.tuto rials int.co m/SQL/third-no Malabo rm.htm Co prig ht tutorials point.co m A table is in third normal form when the following conditions are met: It
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How to fill out database - third normal
How to fill out a database - third normal?
01
Identify the entities: Start by identifying the different entities or objects that need to be stored in the database. These could be customers, products, orders, etc.
02
Define the attributes: For each entity, define the specific attributes or properties that need to be stored. For example, for the customer entity, you might have attributes like name, email, address, etc.
03
Design tables: Create a separate table for each entity and define the columns for each attribute. Make sure to assign appropriate data types and lengths to each column.
04
Set primary keys: Identify a unique identifier for each table, which will serve as the primary key. This will help in linking different tables and maintaining data integrity.
05
Establish relationships: Determine the relationships between different entities. This could be one-to-one, one-to-many, or many-to-many relationships. Use foreign keys to establish these relationships between tables.
06
Normalize the database: Apply the third normal form rules to ensure data integrity and minimize data redundancy. This involves eliminating repeating groups, creating separate tables for related values, and removing functional dependencies.
07
Populate the database: Start entering data into the tables, ensuring that the data is accurate, consistent, and follows the defined structure.
Who needs a database - third normal?
01
Businesses: Any business or organization that deals with large amounts of data and requires efficient storage, retrieval, and analysis of that data can benefit from a database built in the third normal form.
02
Developers: Database professionals and developers who need to design and implement databases can use the third normal form as a best practice to ensure data integrity and minimize data redundancy.
03
Data analysts: Data analysts who work with complex datasets and need to perform advanced queries, aggregations, and reporting can benefit from a database built in the third normal form as it provides a structured and efficient way to store and retrieve data.
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What is database - third normal?
A database in third normal form is a database design that reduces data redundancy and improves data integrity by organizing data into separate tables and establishing relationships between them.
Who is required to file database - third normal?
Database administrators or developers are required to design and implement a database in third normal form.
How to fill out database - third normal?
To fill out a database in third normal form, one must first identify and separate data into related tables, establish relationships between the tables, and ensure that each table contains only data related to the primary key.
What is the purpose of database - third normal?
The purpose of a database in third normal form is to reduce data redundancy, improve data integrity, and make querying and updating data more efficient.
What information must be reported on database - third normal?
Information such as entity attributes, primary keys, foreign keys, and relationships between tables must be reported on a database in third normal form.
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