Question: What is a union query? (ii) What is SQL Data Manipulation Language (DML)? (iii) Why is MIS required? (iv) Explain the impact of computer technology

What is a union query? 

(ii) What is SQL Data Manipulation Language (DML)? 

(iii) Why is MIS required? 

(iv) Explain the impact of computer technology on our lifestyle? 

(v) What do you mean by Relational Data Base Management system? 

Note: Answer any two questions. Each question carries 5 marks (Word limits 500) 

Q. 2. What are the basic components of Data Base Management System? And explain the advantages and disadvantages of DBMS? 

Q. 3. What is Data Base Security, explain Database Security Threats? 

Q. 4. What is data integrity, explain integrity constraints? 

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 Databases Questions!

Q:

Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...

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:

Q1. You have identified a market opportunity for home media players that would cater for older members of the population. Many older people have difficulty in understanding the operating principles...

Q:

Find a and b if, y= ax+b has mean 6 and variance is unity, where x is a random variable with mean 8 and variance 16.

Q:

A 375-gallon tank is filled with water containing 167 g of bromine in the form of Br- ions. How many liters of Cl2 gas at 1.00 atm and 20C will be required to oxidize all the bromide to molecular...

Q:

=+18. Marketing Math The face value of a ticket to the Final Four championship game is $65. You purchase a ticket from a scalper for $150. What percentage of profit has the ticket scalper earned from...

Q:

Assertiveness Review the assertiveness tips presented in the chapter, then recall a situation in which you had, or still have, difficulty being assertive. Describe the situation and examine what...

Q:

Summer Tyme, Inc., is considering a new three-year expansion project that requires an initial fixed asset investment of $3.9 million. The fixed asset will be depreciated straight-line to zero over...

Q:

What is the equivalent Boolean expression / function for Boolean expression / function below? F = ( X . Y . Z ) ' a . F = X + Y ' . Z ' b . F = X . Y ' + Z ' c . F = X ' . Y ' . Z ' d . F = X ' + Y '...

Q:

K ints: 0 of 3 Save The height of women ages 20-29 is normally distributed, with a mean of 64 inches. Assume = 2.7 inches. Are you more likely to randomly select 1 woman with a height less than 65.2...

Q:

How would you use a forward contract, futures contract, and a call option contract on the US $ / Australian $ FX rate to hedge the FX risk of paying a $A 1 million bill in Aussie Dollars for a...

Q:

Riverside Growers Corp manufactures garden tools in a factory in Taneytown, Maryland. Recently, the company designed a collection of tools for professional use rather than consumer use. Management...

Q:

Complete the cost card based on the following budgeted data for 8,000 units: Sales 350,000 Direct labour (10 per hour) 40,000 Direct materials (11.25kgs per unit) 180,000 Variable production cost...

Q:

Consider a set of samples {x1, x2,...,xN} that are independent and identically distributed (i.i.d.) according to a Gaussian distribution p(xi) = G (x;; , o), where i = 1, 2,..., N. Recall that the...

Q:

In both of the functions for this exercise, you used the double-accumulator pattern to produce the result. In one case it was to produce a list of numbers, and in another case it was to produce a...

Q:

Nakul works at a bank and has been tasked with reducing the number of invalid checks accepted by bank tellers (e.g., checks without a signature or a date). Nakul researches the problem, generates...

Q:

**** This question is complete and I cannot figure out the salary during last month owed to Mr Key and Ms rakin Xavier Company is going through a Chapter 7 bankruptcy. All assets have been...

Q:

An example of prescriptive analytics is when an action is recommended based on previously observed actions. For example, an analysis might help determine procedures to follow when new accounts are...

Q:

In 2007, the SEC cancelled its requirement that foreign companies whose shares are traded in the United States and whose financial statements are prepared according to IASB accounting standards...

Q:

Refer to Theory in Practice 4.1 in Section 4.2.2. Required a. Use efficient securities market theory to explain how dart throwing may be a desirable investment strategy. b. Explain Prof. Malkiels...

Q:

Explain why it is desirable to find the exact time that the market first became aware of an item of accounting information if any security price reaction to this information is to be detected. Can...

Q:

T F Undergoing an MRI scan is like being stuffed into a large magnet. (p. 128)

Q:

T F One of the most widely used personality tests asks people to interpret what they see in a series of inkblots. (p. 118)

Q:

T F Although it is not an exact science, the measurement of the bumps on an individuals head can be used to determine his or her personality traits. (p. 111)