Job offers
Companies
Tests
Blog
I'm an employer
Sign up
Log in
Group 2@2x
Created with Sketch.
Home
>
IT Tests
>
abdelghani
abdelghani
Contribution
39
Contributions
813
Contributions played
Tests
24
Tests completed
755
Questions completed
Achievements
+6
Tests
Contributions
Achievements
Submit a new question
or
see all questions
Easy
22
Medium
10
Hard
3
Expert
1
Technology
​
Profession
​
Sort by
Newest
Most popular
Last review
Filter by
Published
35
Not published
1
To review
0
Published
To review
Newest
Filters
Easy
22
Medium
10
Hard
3
Expert
1
Technology
​
Profession
​
Sort by
Newest
Most popular
Last review
Filter by
Published
35
Not published
1
To review
0
Cancel
35 questions
1
2
Medium
0 vote
202 runs
0 comment
Explain the purpose of the ngOnInit() lifecycle hook in Angular.
Web developer
angular
lifecycle
at Sep 6, 2023
abdelghani
Easy
0 vote
26 runs
0 comment
What is the main purpose of the LSTM (Long Short-Term Memory) model in machine learning?
Data Scientist
at Mar 26, 2024
abdelghani
Medium
0 vote
24 runs
0 comment
What type of index is primarily used for full-text search in PostgreSQL?
Data Scientist
at Apr 19, 2024
Easy
0 vote
24 runs
0 comment
What is the default port number for PostgreSQL database server?
Data Scientist
at Apr 19, 2024
Easy
0 vote
24 runs
0 comment
Which clause is used in PostgreSQL to filter grouped records that do not meet a certain condition?
Data Scientist
at Apr 19, 2024
Medium
0 vote
25 runs
0 comment
What is the mechanism in PostgreSQL that ensures the integrity of transactions and supports concurrent processing?
Data Scientist
at Apr 19, 2024
Easy
0 vote
28 runs
0 comment
Which PostgreSQL command changes the definition of a database object, like a table?
Data Scientist
at Apr 19, 2024
Easy
0 vote
28 runs
0 comment
What is the command to back up a database in PostgreSQL?
Data Scientist
at Apr 19, 2024
Easy
0 vote
28 runs
0 comment
Which command in PostgreSQL is used to delete a database?
Data Scientist
at Apr 19, 2024
Easy
0 vote
23 runs
0 comment
Which data type in PostgreSQL is best suited for storing large blocks of text?
Data Scientist
at Apr 19, 2024
Easy
0 vote
23 runs
0 comment
What PostgreSQL feature allows you to run functions on the database server-side?
Data Scientist
at Apr 19, 2024
Easy
0 vote
23 runs
0 comment
Grant all privileges on a database to a user in PostgreSQL
Data Scientist
at Apr 19, 2024
Easy
0 vote
23 runs
0 comment
What does the ACID acronym stand for in the context of PostgreSQL transactions?
Data Scientist
at Apr 19, 2024
Hard
0 vote
22 runs
0 comment
Which PostgreSQL feature is used to handle exceptions and control the transaction flow?
Data Scientist
at Apr 19, 2024
Easy
0 vote
22 runs
0 comment
What is the term for the operation in PostgreSQL that combines rows from two or more tables based on a related column between them?
Data Scientist
at Apr 19, 2024
Easy
0 vote
22 runs
0 comment
Add a unique constraint on the email column while creating the users table in PostgreSQL.
Data Scientist
at Apr 19, 2024
Easy
0 vote
21 runs
0 comment
What data type is used specifically for storing boolean values in PostgreSQL?
Data Scientist
at Apr 19, 2024
Medium
0 vote
24 runs
0 comment
What data type is used to store geographical objects for Geographic Information Systems (GIS) in PostgreSQL?
Data Scientist
at Apr 19, 2024
Medium
0 vote
24 runs
0 comment
How to create a recursive query in PostgreSQL?
Data Scientist
at Apr 19, 2024
Easy
0 vote
24 runs
0 comment
Which command is used to remove all rows from a table without deleting the table itself in PostgreSQL?
Data Scientist
at Apr 19, 2024
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
