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M any-to-m any one-to-one TABLE: SEM inarCategory SEM Ingrid (OK) category ID (OK) TABLE: category ID (PK) category TABLE: students student ID (PK) SSN TABLE: zip lipid (PK) opcode TABLE: seminar

How to fill out 3nf pk and fk

How to fill out 3nf pk and fk:

1. First, identify the primary key (PK) for each table. The primary key is a unique identifier for each record in the table.
2. Next, determine the foreign keys (FK) for each table. Foreign keys are attributes that refer to the primary key in another table, establishing a relationship between the two tables.
3. Ensure that each attribute in a table is functionally dependent on the primary key. This means that the attribute's value is determined solely by the primary key.
4. Eliminate any partial dependencies by creating separate tables for attributes that depend on only part of the primary key. This helps to avoid redundancy and maintain database integrity.

Who needs 3nf pk and fk:

1. Database administrators and developers who are designing and implementing relational databases would need to understand and use 3nf pk and fk principles.
2. Organizations or individuals who want to maintain data integrity and avoid data redundancy would benefit from using 3nf pk and fk. These principles help ensure that the data in the database is accurate, consistent, and easily maintainable.
3. Database users who rely on the information stored in the database would indirectly benefit from the use of 3nf pk and fk, as it helps to ensure the reliability and accuracy of the data they retrieve.

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What is 3nf pk and fk?

3NF stands for Third Normal Form, which is a database normalization technique to eliminate data redundancy and improve data integrity. PK refers to Primary Key, which is a unique identifier for each record in a database table. FK stands for Foreign Key, which is a field that refers to the primary key of another table.

Who is required to file 3nf pk and fk?

The responsibility to implement and utilize 3NF, PK, and FK in a database lies with the developers, database administrators, and data analysts.

How to fill out 3nf pk and fk?

To implement 3NF, PK, and FK in a database, tables need to be structured in a way that eliminates data redundancy and establishes relationships between tables. PKs and FKs need to be defined based on the unique identifiers and relationships between the tables.

What is the purpose of 3nf pk and fk?

The purpose of implementing 3NF, PK, and FK in a database is to ensure data integrity, eliminate data redundancy, and establish relationships between tables. This helps in efficient data storage, retrieval, and data consistency.

What information must be reported on 3nf pk and fk?

3NF, PK, and FK are not specifically for reporting information. They are database design concepts that help in organizing and structuring data within a database. The specific information that needs to be reported in a database depends on the application and requirements.