First Normal Form (1NF) With Examples
First Normal Form (1NF)
First normal form is now considered to be part of the formal definition of a relation; historically, it was defined to
First Normal Form (1NF)
First normal form is now considered to be part of the formal definition of a relation; historically, it was defined to
Normalization
Normalization theory is a useful aid in the design of database. This theory is built around the concept of normal form. It is a
Knowledge Based System
Using the analogy of DBMS, knowledge based system can be defined as a computer system is used to manage and manipulate shared
Data Replication
Replication is the process of maintaining several identical replicas (copies) of the relation; each replica is stored at a different site, resulting in
Hashing
Hashing is a way of performing optimal searches and retrievals. Essentially, it increases speed, betters ease of transfer, improves retrieval, optimizes searching of data,
Three Level Architecture of DBMS
According the approach of ANSI/SPARC (American National Standard Institute / Standards Planning and Requirements Committee) there are three level of