Answer:
Examples of Fact-finding techniques includes:
-
Prototyping
-
Questionnaires
- Research and sites visit
-
Interviews
Explanation:
It is important to note that a database system is a tool that allows users to define, create, maintain, and control access to a collection of logically related data and description of these data, designed to meet the information needs of an organization.
<u>Prototyping
</u>
<em>Advantage:</em> enables testing and understanding of the system in advance before final implementation of solution, while requiring less time for research.
<em>Disadvantage:</em> Training and Development cost consumes resources.
<u>Research and site visit </u>
<em>Advantage :</em> better time management if the problem has been researched upon before.
<em>Disadvantage:</em> appropriate permission is often needed before using research materials.
<u> Questionnaires
</u>
<em>Advantage: </em>This technique is not expensive, and responses can be calculated and analysed quickly.
<em>Disadvantage:</em> There may be Incomplete answers received from users and body language of user cannot be observed.
<u>Interviews</u>
<em>Advantage:</em> The body language of interviewees is been perceived.
<em>
Disadvantage: </em>Interviewing is time consuming and costly.
This is for Python
numbers = [7, 3, 6, 9, 0]
print(numbers.sort())
Output: [0, 3, 6, 7, 9]
numbers = [7, 3, 6, 9, 0]
print(numbers.sort(reverse = True))
Output: [9, 7, 6, 3, 0]
What happens when you click answer questions? If nothing happens, exit out or restart, it’s a glitch.
Explanation:
SELECT
distributor_id,
COUNT(*) AS TOTAL,
COUNT(IF(level='exec',1,null)),
COUNT(IF(level='personal',1,null))
FROM sometable;
Answer:
Following is the code in python language
team_names = ('Rockets','Raptors','Warriors','Celtics')#holding the string value
print(team_names[0],team_names[1],team_names[2],team_names[3])#display
Output:
Rockets Raptors Warriors Celtics
Explanation:
Following is the description of above statement .
- Create a dictionary "team_names" that is holding the string value Rockets Raptors Warriors and Celtics.
- Finally we used the print function in that function we pass the index of corresponding dictionary i.e team_names[0] . it will display the first index value similarly we pass team_names[1], team_names[2] team_names[3].
