JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Ordering Data / 260

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Information Technology (IT), Architecture
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of the ORDER BY clause in a query?
To filter data based on conditions
To order data in ascending or descending order
To group data by a specific field
To join multiple tables
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might auto-generated IDs not be reliable for ordering data?
They are dependent on user input
They are based on alphabetical order
They are random and not sequential
They are always in ascending order
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What fields are suggested to manage data effectively in a database?
Category and type
User ID and password
Created at and updated at
Name and description
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the 'created at' field typically populated?
Through a random generator
Automatically by the server
By copying from another field
Manually by the user
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the advantage of using server timestamps over local system time?
They are easier to read
They are more accurate
They are faster to retrieve
They are in a different format
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of creating an index on a field?
To make data entry easier
To speed up query performance
To increase storage space
To enhance data security
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if you try to query a non-indexed field in a database?
The query will automatically create an index
The query might be slower or cause an error
The query will return no results
The query will run faster
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