THE RELATIONAL DATABASE MODEL

1. DEFINITION

1.1. A relational database management system (RDBMS) is a program that lets you create, update, and administer a relational database. Most commercial RDBMS's use the Structured Query Language (SQL) to access the database, although SQL was invented after the development of the relational model and is not necessary for its use.

1.2. http://bit.ly/2it8A95

2. INTEGRITY RULES

2.1. Definition

2.2. Images

3. KEYS

3.1. Definition

3.2. Keys Attributes

3.3. Type of key

4. CHARACTERISTICS

4.1. Follow this link to look overview about the characteristics

4.2. Characteristics of Relational Database Model

5. RELATIONAL SET OPERATOR

5.1. Definition

5.2. Function in DBMS

6. DATA DICTIONARY

6.1. Definition

6.2. Type

7. SYSTEM CATALOG

7.1. Definition

7.2. Function