Define entity integrity in terms of a relational database.

Every table must have a primary key. The primary key must be unique and not null…

Definition of the Primary key,Foreign Key,Null and Domain.

Primary Key A primary key is one or more columns in a table whose values are used to …

What is the key functions of a Database Management System (DBMS).

i) CRUD functions Must enable users to create data structures. Retrieve data f…

Create a diagram of ANSI-SPARC with three level architecture for a DBMS.

Create a diagram of ANSI-SPARC with three level architecture for a DBMS.

The user/external level describes the user or application program view of the datab…

What is the interaction between a DBMS and an operating system.

What is the interaction between a DBMS and an operating system.

Draw a diagram that illustrates the position of the Database Management System Inter…

What is the role of the systems analyst.

Clear communication with users and management. Generation of structured specific…

What is the terms of reference of feasibility study.

The areas to be included in the study. Objective of the study. The number of …

What is a Form in XHTML, and what is the role of CGI in a Form?

The XHTML form itself is the interface for the user to enter data, but all of the actu…

what interlacing and progressive display is, the advantages and the disadvantages of such methods

Most Web-capable graphics editors let you save images in an interlaced (progressive) f…

What is the aid of a sketch how the following code will be displayed in your browser.

What is the aid of a sketch how the following code will be displayed in your browser.

<html> <body> <form> <b>Tell us who you are:</b><br&g…