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abdelghani
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33 questions
Easy
10 votes600 runs0 comment

Which command in PostgreSQL is used to delete a database?

Data Scientist
abdelghaniat Apr 19, 2024
Easy
10 votes547 runs
1 comment

What is the main purpose of the LSTM (Long Short-Term Memory) model in machine learning?

Data Scientist
Artificial Intelligence
abdelghaniat Mar 26, 2024
Medium
5 votes589 runs0 comment

What is the command to back up a database in PostgreSQL?

Data Scientist
abdelghaniat Apr 19, 2024
Hard
5 votes568 runs0 comment

What is the mechanism in PostgreSQL that ensures the integrity of transactions and supports concurrent processing?

Data Scientist
abdelghaniat Apr 19, 2024
Hard
4 votes543 runs0 comment

What type of index is primarily used for full-text search in PostgreSQL?

Data Scientist
abdelghaniat Apr 19, 2024
Easy
3 votes576 runs0 comment

Which PostgreSQL command changes the definition of a database object, like a table?

Data Scientist
abdelghaniat Apr 19, 2024
Medium
2 votes536 runs0 comment

What does the ACID acronym stand for in the context of PostgreSQL transactions?

Data Scientist
abdelghaniat Apr 19, 2024
Medium
2 votes503 runs
1 comment

Which command is used to remove all rows from a table without deleting the table itself in PostgreSQL?

Data Scientist
abdelghaniat Apr 19, 2024
Easy
2 votes430 runs0 comment

Which machine learning technique is primarily used to group a set of data into similar subsets?

Data Scientist
Artificial Intelligence
abdelghaniat Mar 27, 2024
Hard
1 vote528 runs1 comment

What feature in PgAdmin allows you to visually design your database schema including tables, views, and relationships?

Data Scientist
abdelghaniat Apr 19, 2024
Medium
1 vote520 runs0 comment

Which clause is used in PostgreSQL to filter grouped records that do not meet a certain condition?

Data Scientist
abdelghaniat Apr 19, 2024
Easy
1 vote518 runs0 comment

Grant all privileges on a database to a user in PostgreSQL

Data Scientist
abdelghaniat Apr 19, 2024
Medium
1 vote510 runs0 comment

What PostgreSQL feature allows you to run functions on the database server-side?

Data Scientist
abdelghaniat Apr 19, 2024
Medium
1 vote504 runs0 comment

Add a unique constraint on the email column while creating the users table in PostgreSQL.

Data Scientist
abdelghaniat Apr 19, 2024
Easy
1 vote500 runs0 comment

Which data type in PostgreSQL is best suited for storing large blocks of text?

Data Scientist
abdelghaniat Apr 19, 2024
Medium
1 vote187 runs0 comment

List all databases in PostgreSQL

Data Scientist
abdelghaniat Apr 19, 2024
Easy
1 vote186 runs0 comment

Which PHP function is used to check if a variable is empty?

Back-end developer
abdelghaniat Mar 21, 2024
Draft test - Medium
1 vote30 runs0 comment

What Vue.js directive is used to bind data to an HTML element attribute in a template?

Web developer
abdelghaniat Apr 19, 2024
Easy
0 vote525 runs0 comment

What is the default port number for PostgreSQL database server?

Data Scientist
abdelghaniat Apr 19, 2024
Hard
0 vote507 runs0 comment

What data type is used to store geographical objects for Geographic Information Systems (GIS) in PostgreSQL?

Data Scientist
abdelghaniat Apr 19, 2024