Other Programming & Computer Science Answers

1. What two concepts are ER modelling based on?

2. The database in Figure 8.11 is composed of two tables. Use this figure to answer questions

DIRECTOR

DIRNUM

100

101

102

DIRNAME

J.Broadway

J.Namath

W.Blake

DIRDOB

01/08/39

11/12/48

06/15/44

PLAY

PLAYNO

1001

1002

1003

1004

1005

1006

1007

PLAYNAME

Cat on a cold bare roof

Hold the mayo, pass the bread

I never promised you coffee

Silly putty goes to Texas

See no sound, hear no sight

Starstruck in Biloxi

Stranger in parrot ice

DIRNUM

102

101

102

100

101

102

101

Figure 8.11. Director and Play tables for question 2, by A. Wott.

2.1 Identify the primary key for each table. 2.2 Identify the foreign key in the PLAY table.

2.3 Identify the candidate keys in both tables.

2.4 Draw the ER model.

2.5 Does the PLAY table exhibit referential integrity? Why or why not?

briefly describe the responsibilities of the following roles in terms of what they are for each information lifecycle and cloud data lifecycle stage (if the responsibilities change for different stages):

• Executive Management
• Data Owner
• System Owner
• Data Custodian
• System/Security Administrator
• System or Data User
• Security Auditor

Select one of the four elements of digital disruption and discuss how that particular element of digital disruption can change the ways in which business operates?

Explain how machine learning can be utilised in a South African business context. Illustrate this by way of an example

using c# visual studio code

Count and display the several statistics, which are:

o Born in each different month

o For Malaysians:

▪ The number of those born in each state / or a foreign country

o The number of non-Malaysians

o Number of males and females, of which

▪ How many are married, divorced or single

Write a program that takes an array name X of 10 values as an input

parameter and an array name Y with 10 values as an output parameter.

The program should copy the integers in X into Y but in reverse order.

Input:

Array X [10] – 1 2 3 4 5 6 7 8 9 0

Process : copy array X in reverse order to array Y

Array Y[10] – 0 9 8 7 6 5 4 3 2 1

Output: print array X and array Y

Write a program that will input 20 values to array BSIT and to sum up the content of all even index. Print array BSIT and the sum of all even index.

3. Create a fitness application User stories grouped together by theme. Remember to use the prescribed format.

2. Create a product vision of a fitness application using the following template.

For [target customer] :

Who [statement of the need opportunity] :

The [product name] :

Is a [product category] :

That [statement of key benefits; that is; the compelling reason to buy] :

Unlike [primary competitive alternative] :

Our product [statement of primary differentiation] :

1. Create a problem statement for fitness application using the following template.

The problem is:

Affects:

The impact of which is:

A successful solution would be: