Question: A database model is a theory or specification describing how a database is structured and used. There are several database models. Summarise five database models

A database model is a theory or specification describing how a database is structured and used.

There are several database models. Summarise five database models that have the following

features:

Efficiency

Greater control over a database

Reduces redundancy

Two-dimensional array of data

Provides Views

Central database engine

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Q:

Miller-Rabin test to check whether a number N is composite. This will involve computing a N1 mod N for some value of a. [10 marks] Carry out the steps for N = 65 and a = 1, 2, 8 and 12. on what each...

Q:

software projects failed. In the run-up to Y2K, most of the world's large companies claimed that fixing the Millennium Bug was a large project whose success was critical to their survival. One would...

Q:

Show the parse trees for the two parses that the grammar assigns for sentence S1. S1: the train station bus rumbles [3 marks] (b) Give an algorithm for a bottom-up passive chart parser without...

Q:

Your organization needs to replace 22 physical servers and your CEO would like to implement a cloud (Amazon Web Services) strategy. You have been assigned the project. To initiate the project, you...

Q:

can someone solve this Modern workstations typically have memory systems that incorporate two or three levels of caching. Explain why they are designed like this. [4 marks] In order to investigate...

Q:

Have a C compiler which is ANSI conforming in all respects except that it has no facility for the definition, declaration or use of standard C structures. Outline a set of routines written in this...

Q:

(i) Write down the linear program relaxation for the vertex cover problem and solve the linear program. [6 marks] (ii) Based on the solution of the linear program in (b)(i), derive an integer...

Q:

Which solution is adopted by Ethernet and what measures are taken to ensure stability in circumstances of high load? [4 marks] 1 [TURN OVER CST.93.5.2 4 Graphics I A certain image contains a number Q...

Q:

Explain informally the difference between Godel's completeness theorem and his first incompleteness theorem. [8 marks] (b) State the meaning of Hoare triples {P} C {Q} in separation logic. [3 marks]...

Q:

answer the question clearly You are building a flight-control system for which a convincing safety case must be made. Would you assign the tasks of safety requirements engineering, test case...

Q:

2. Andrew has a debit of $4600 on a credit card with a compound interest rate of 16.35% p.a. He decided to transfer the balance to a new card with a 0% balance transfer for 6 months. However after 6...

Q:

Professor Smith took a sample of 208 students from her morning class and a sample of 119 students from her evening class. On Exam 1, all those sampled from the morning class got a 70 while those...

Q:

22. Analyze the following statements: Statement I: The books of account and other records shall be subject to examination and inspection only once in a taxable year by the BIR officers. Statement II:...

Q:

Julian Birkinshaw, James Manktelow, Vittorio DAmato, Elena Tosca, and Francesca Macchi In recent years, one of the most profound transformations in the workplace has been the increase in age...