The most suitable primary key for the entity MATCH is

$[$A$]$ Match$\_$date

$[$B$]$ Match$\_$time

$[$C$]$ Match$\_$opponent

$[$D$]$ Match$\_$number

$[$E$]$ There is no suitable primary key present

The most appropriate symbol to replace circle $1$ is

$[$B$]-1$

$[C]longrightarrow$

$($D$)-O+$

$($EE$)$ longrightarrow$$

The most appropriate symbol to replace circle $2$ is

$[$A$]$

$[$B$]1$

$[C]>$

$[$D$]+$o$-$

$[E]0$

In the player list,

Ashraf Cassim, ID number $9501211000542$; $0838374728$; $8$ Rose Avenue, Kingsburgh

Vaneshan Munsamy, ID number $9405111999542$;$14$ Lilly Place, Durban

Vusi Shongwe, ID number $9307211989001$; $19$ Tulip Crescent, Ballito

Joan Peters, ID number $9208211007006$; $25$ Meadow Avenue, Scottburgh

are all examples of

$[$A$]$ instances of an entity

$[$B$]$ instances of attributes

$[$C$]$ attributes

$[$D$])$ entities

$[$E$]$ primary keys

ABC System Solutions are ready to roll out a new system. However, before rolling out

the system, they need to conduct site preparation to prepare the location for the new

system. Which of the following is among the preparation requirements?

$[$A$]$ Installing special wiring and air conditioning

$[$B$]$ Building a new computer room

$[$C$]$ Installing additional power circuits

$[$D$]$ Applying specialized flooring

$[$E$]$ All of the above

Why is data conversion necessary during the implementation of a new system?

$[$A$]$ To ensure that all files and databases are ready to be used with new

computer software and systems

$[$B$]$ To ensure that all files and databases are ready to be used with old and new

computer software and systems

$[$C$]$ Data conversion creates a data backup by default

$($D$])$ The security of the system is strengthened by data conversion

$[$E$][$B$]$ and $[$D$]$

Questions $24$ to $28$ relate to the narrative and diagram below:

A player plays many matches. A player can play no matches or many matches at any

time. A match is played by many players. Each match has a venue, date, time and the

name of the opposing team. A match number is also allocated to each match. The football

association also keeps important information about players, such as player name, identity

number, player number, contact number and address.

The most suitable primary key for the entity PLAYER is

$[$A$]$ Player$\_$name

$[$B$]$ Identity$\_$number

$[$C$]$ Player$\_$number

$[$D$]$ Address

$[$E$]$ There is no suitable primary key present. Asnwer for $222324$