Working and processing files, Database Management System

Write Your Message!

Related Discussions:- Working and processing files

Domain constraints, Domain Constraints Domain constraints are primarily...

Multivalued dependencies, what is multivalued dependency

In e-r diagram how derived attribute are represented, In E-R Diagram how de...

Index and tree structure, Index And Tree Structure Let us talk about th...

Concurrency control, Give the two reasons for allowing concurrency

What are the objectives of object design, What are the Objectives of object...

What create when a primary key combined with a foreign key, What will be cr...

Draw an er diagram for organization of a student database, Draw an ER diagr...

Describe the types of inheritance, Describe the types of Inheritance ...

Coursework, ERD Diagram of Medical Recruitment Agency?

User Account

All Pages

Assignment Help:

1. Define each of the following IN YOUR OWN WORDS:

(a) File:

(b) Record:

(d) Primary Key:

(e) Secondary Key:

2. A travel agency wants to track the prices of its various packages. Package pricing differs by season (high and low). The input record should include package code, package description, vendor number, low season cost, low season dates (beginning and ending), high season cost, high season dates (beginning and ending), package markup percentage. Design the input record.

Domain Constraints Domain constraints are primarily formed for defining the logically correct values for an attribute of a relation. The relation allows attributes of a relatio

what is multivalued dependency

In E-R Diagram how derived attribute are represented ? In E-R Diagram By Dashed ellipse derived attribute are represented.

Index And Tree Structure Let us talk about the data structure that is used for creating indexes. Can we use Binary Search Tree (BST) as Indexes? Let us initial reconsider

Give the two reasons for allowing concurrency

What are the Objectives of object design After going through this unit, you could be able to: explain steps of object design; discuss algorithms that reduce costs;

What will be create when a primary key if combined with a foreign key? A primary key if combined with a foreign key it creates Parent-Child relationship between the tables that

Draw an ER diagram that shows the organization of a simple student database. The database captures the information about letter grades obtained by university students who enrolled

Describe the types of Inheritance 1. Single inheritance 2. Multiple inheritance 3. Hierarchical inheritance 4. Multilevel inheritance

ERD Diagram of Medical Recruitment Agency?

Name

Email id

Message

Verfication Code

Field

No.

Item

Description

Field Name

Field

Length

Data

Type

# of

Decimal

Places

Comments