Concurrency Control | MCQs

Q1: What do you understand from Concurrency control in databases?

آپ ڈیٹا بیس میں ہم آہنگی کے کنٹرول سے کیا سمجھتے ہیں؟

None of these

It is a situation where one user enters data without validation in the database.

It is a situation in which two or more users access the same record simultaneously.

It is a situation in which only one admin can enter data in database.