Question

How is data organised in an RDBMS?

Answer 1

Answer:

The full form of RDBMS is Relation database management system.

In tables or relations, a relational database organizes data. A table is composed of columns and rows. A record or tuple is also known as row.

In tables or relations, a relational database organizes data. A table is composed of columns and rows. A record or tuple is also known as row.

1. A relational database refers to a database that stores data in a structured format, using rows and columns.
2. The data is often stored in many tables, also called ‘relations’. These tables are divided into rows, also called records and columns (fields).
3. Relational Database Management System (RDBMS) supports multiple users whereas Database Management System (DBMS) supports single users.
4. DBMS stores data as a file whereas in RDBMS, data is stored in the form of tables.
5. Some of the advantages of RDBMS are it facilitates primary key, which helps in unique identification of the rows, it facilitates a common column to be shared amid two or more tables, helps in unique identification of the rows