StudentShare solutions
Triangle menu

Modern Database Managment Assignment Three - Essay Example

Nobody downloaded yet

Extract of sample
Modern Database Managment Assignment Three

Furthermore, the volume/size of a database can differ extensively from a few megabytes for personal databases to huge terabytes of large business databases. The data and information of a business or personal database is stored on a nonvolatile medium that can hold huge amounts of data. However, the most frequently utilized storage mediums are magnetic disks. Magnetic disks are capable to store huge amount of data as compared to computer memory, at a great deal lower cost per unit of data. For data organization, logically data in RDBMS are structured like a group of relations/tables, each table/relation composed of a group of records (Hoffer, Prescot, & Topi, 2009; Shelly, Cashman, & Vermaat, 2005).
DDC (Data Definition Command) is utilized to describe the database as well as other linked functions similar to creating views, tables, indexes etc. Below I will outline some data definition commands (Hoffer, Prescot, & Topi, 2009):
Data control commands in SQL allow us to control access to data inside the database. These data control commands are usually employed to create objects and to control the allocation of privileges among users. A number of data control commands are (Hoffer, Prescot, & Topi, 2009):
A View contains a stored query which is accessible like a virtual table composed of resultant group of a query. As compared to ordinary tables in a RDBMS a view is not a structured part of the physical representation. It is a dynamic, virtual table calculated or gathered from data in the database. Altering the data in a table changes the data represented in subsequent invocations of the view. Security in views can be applied for the users as the underlying tables are not straightly accessible. Thus, it helps DBA present users simply the data they require, as protecting additional data in the same table (Hoffer, Prescot, & Topi, 2009).
To create a view ...Show more

Summary

Relational DBMS or RDBMS is a database that is structured into a series of tables also called relations that are simply reorganized to access data in different ways. At the present, relational model is broadly utilized. Additionally, the databases which are based upon the…
Author : pinkie51
Modern Database Managment Assignment Three essay example
Read Text Preview
Save Your Time for More Important Things
Let us write or edit the essay on your topic
"Modern Database Managment Assignment Three"
with a personal 20% discount.
Grab the best paper

Check these samples - they also fit your topic

Database
But with the passage of time, administrative structures have turned out to be less hierarchical and more decentralized. Thus, there is need to offer data and information to remotely located departments of business. Additionally, due to these changes in business structures, the information delivery process is also changed.
8 pages (2000 words) Essay
Analysis Of Three-Level Database Architecture
It is an admitted fact that in the past few years the business organizations have started heavily relying on data and information for executing their business tasks. In order to make the best use of this data, they make use of different database management systems (DBMS). The modern database structure is based on three level architecture.
12 pages (3000 words) Essay
Distributed database development assignment
rchitecture is used by the Distributed Database Systems, whereby the database server is the Oracle software that manages the database, and the client may be an application that requests information from the database server. Each computer in this network consists of a node which
10 pages (2500 words) Essay
Information Systems (Database Assignment)
The members range from young kids to elders and everyone seems to love the owner Mr. Jack Russell as much as they love spending time at the library. Mr. Russell solely operates the library and he has so far maintained all the
5 pages (1250 words) Essay
Mordern database Managment assignment Four
It can be a testimonial or case study from a company that has set up either one as well. This needs to-be a 2-3 page paper on how their experience relates to the material from the text. In the paper, explain why organizations use
5 pages (1250 words) Essay
American Government assignment three
From mainstream news coverage on networks to viral campaigns on the Internet, campaigns must be planned with the media constantly taken into account. Public appearances are often planned around maximum television exposure; conflict between rival
5 pages (1250 words) Essay
Week Three Team Assignment
13 criteria for a capital lease. SFAS No. 13 established four criteria to differentiate between capital leases and operating leases. If any of the four criteria under SFAS No. 13 are not met then the lease fails to qualify to be registered as a
4 pages (1000 words) Essay
Assignment 3 Three Goals
In addition, I read and re-read the words in order to comprehend the lecture notes and the research papers well. I used to write down the words I read. This practice engrossed the new words into my
2 pages (500 words) Essay
Database
This paper will analyze the uses of databases across the healthcare industry and will also discuss different database architectures. A Healthcare database system can be simply defined as the collection of healthcare data having well defined structure and purpose. Scholars
3 pages (750 words) Essay
Genetics assignment three
The imprinting pattern of inheritance is analogous to sex influenced inheritance is true since some sex dissimilarities in appearance of inherited qualities may result from the genetic imprinting (Judd 21). Genetic imprinting, therefore,
2 pages (500 words) Essay
Hire a pro to write
a paper under your requirements!
Win a special DISCOUNT!
Put in your e-mail and click the button with your lucky finger
Your email
YOUR PRIZE:
Apply my DISCOUNT
Comments (0)
Click to create a comment