Multiple choice technology databases

To retrieve data from more than one table we could use

  1. Joins

  2. Unions

  3. Nested SELECT

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Data can be retrieved from multiple tables using Joins (combining columns), Unions (combining rows), or Nested SELECT queries (subqueries). Therefore, all of the listed methods are correct.