Job offers
Companies
Tests
Blog
I'm an employer
Sign up
Log in
Group 2@2x
Created with Sketch.
Home
>
Users
>
abdelghani
abdelghani
Contribution
59
Contributions
4956
Contributions played
Tests
26
Tests completed
955
Questions completed
Achievements
+8
Profile
Tests
Contributions
Profile
Tests
Contributions
Achievements
Submit a new question
or
see all questions
Easy
18
Medium
12
Hard
5
Expert
1
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
34
Not published
2
To review
0
Published
To review
Newest
Filters
Easy
18
Medium
12
Hard
5
Expert
1
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
34
Not published
2
To review
0
Cancel
34 questions
1
2
Medium
3 votes
231 runs
0 comment
What is the command to back up a database in PostgreSQL?
Data Scientist
at Apr 19, 2024
Easy
3 votes
157 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
Easy
2 votes
232 runs
0 comment
Which command in PostgreSQL is used to delete a database?
Data Scientist
at Apr 19, 2024
Hard
2 votes
216 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
1 vote
224 runs
0 comment
Which PostgreSQL command changes the definition of a database object, like a table?
Data Scientist
at Apr 19, 2024
Hard
1 vote
207 runs
0 comment
What type of index is primarily used for full-text search in PostgreSQL?
Data Scientist
at Apr 19, 2024
Easy
1 vote
191 runs
0 comment
What PostgreSQL feature allows you to run functions on the database server-side?
Data Scientist
at Apr 19, 2024
Medium
0 vote
218 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
198 runs
1 comment
What feature in PgAdmin allows you to visually design your database schema including tables, views, and relationships?
Data Scientist
at Apr 19, 2024
Easy
0 vote
197 runs
0 comment
What is the default port number for PostgreSQL database server?
Data Scientist
at Apr 19, 2024
Medium
0 vote
197 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
Easy
0 vote
195 runs
0 comment
Grant all privileges on a database to a user in PostgreSQL
Data Scientist
at Apr 19, 2024
Easy
0 vote
190 runs
0 comment
Which data type in PostgreSQL is best suited for storing large blocks of text?
Data Scientist
at Apr 19, 2024
Medium
0 vote
190 runs
0 comment
How to create a recursive query in PostgreSQL?
Data Scientist
at Apr 19, 2024
Hard
0 vote
190 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
Easy
0 vote
188 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
Medium
0 vote
188 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
183 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
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
abdelghani
Medium
2 votes
386 runs
1 comment
Explain the purpose of the ngOnInit() lifecycle hook in Angular.
Web developer
angular
lifecycle
at Sep 6, 2023
abdelghani
Draft test - Medium
1 vote
30 runs
0 comment
What Vue.js directive is used to bind data to an HTML element attribute in a template?
Web developer
at Apr 19, 2024
abdelghani
