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abdelghani
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34 questions
Easy
10 votes556 runs0 comment

Which command in PostgreSQL is used to delete a database?

Data Scientist
abdelghaniat Apr 19, 2024
Easy
9 votes494 runs
1 comment

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

Data Scientist
abdelghaniat Mar 26, 2024
Medium
5 votes547 runs0 comment

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

Data Scientist
abdelghaniat Apr 19, 2024
Hard
4 votes528 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 votes503 runs0 comment

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

Data Scientist
abdelghaniat Apr 19, 2024
Easy
3 votes534 runs0 comment

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

Data Scientist
abdelghaniat Apr 19, 2024
Medium
2 votes496 runs0 comment

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

Data Scientist
abdelghaniat Apr 19, 2024
Easy
2 votes388 runs0 comment

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

Data Scientist
abdelghaniat Mar 27, 2024
Medium
1 vote645 runs
2 comments

Explain the purpose of the ngOnInit() lifecycle hook in Angular.

Web developer
angular
lifecycle
abdelghaniat Sep 6, 2023
Medium
1 vote480 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 vote479 runs0 comment

Grant all privileges on a database to a user in PostgreSQL

Data Scientist
abdelghaniat Apr 19, 2024
Medium
1 vote470 runs0 comment

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

Data Scientist
abdelghaniat Apr 19, 2024
Medium
1 vote464 runs0 comment

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

Data Scientist
abdelghaniat Apr 19, 2024
Medium
1 vote462 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
1 vote460 runs0 comment

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

Data Scientist
abdelghaniat Apr 19, 2024
Easy
1 vote172 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
Hard
0 vote488 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
Easy
0 vote485 runs0 comment

What is the default port number for PostgreSQL database server?

Data Scientist
abdelghaniat Apr 19, 2024
Hard
0 vote466 runs0 comment

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

Data Scientist
abdelghaniat Apr 19, 2024