निम्नलिखित वाक्यांश

Which of the following is a weak entity in a database?

Which of the following is used to enforce referential integrity?

Which stage involves evaluating the project's practicality, cost, and resources before proceeding further?

In a relational schema, which normal form eliminates transitive dependencies (i.e., non-prime attribute depends on another non-prime attribute)?

Which SQL isolation level allows phantom reads but prevents dirty reads and non-repeatable reads?

In a relational database, what is a foreign key?

Which normal form eliminates transitive dependency?

During transaction before commit which of the following statements is done automatically in case of shutdown?

What does re.sub(r'(\w+)', r'_\1_', 'hello world') return?

A software defect that causes a program to produce incorrect output without crashing or displaying an error message is typically classified as a: