Select the missing number from the given

A relation is in 2NF if:

Which of the following matches the definition given below: It is an artificial key that aims to uniquely identify each record.

Which DBMS command is used to remove a table completely along with its structure?

Deadlock occurs when:

Which type of join returns all rows from the left table and matching rows from the right table?

A column or set of columns that uniquely identifies each row in a table is called a:

Indexing in DBMS improves:

Which of the following is a property of a relational database?

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