Deep Dive: Complete SQL Examples

Part of SQL · Section 5 of 9

Study NotesUnit: 3.7 Relational Databases and SQLGCSE

This study notes covers Deep Dive: Complete SQL Examples within SQL for GCSE Computer Science. Revise SQL in 3.7 Relational Databases and SQL for GCSE Computer Science with 19 exam-style questions and 10 flashcards. This topic shows up very often in GCSE exams, so students should be able to explain it clearly, not just recognise the term. It is section 5 of 9 in this topic. Use this study notes to connect the idea to the wider topic before moving on to questions and flashcards.

Deep Dive: Complete SQL Examples

Get all students:

SELECT * FROM Students

Get names of students over 16:

SELECT name FROM Students WHERE age > 16

Get products under £50, sorted by price:

SELECT name, price FROM Products
WHERE price < 50
ORDER BY price ASC

Practice questions for SQL

Which SQL keyword is used to choose which columns to retrieve from a database table?

  • A. FROM
  • B. WHERE
  • C. SELECT
  • D. ORDER BY
1 markfoundation

Explain the difference between using AND and OR to combine conditions in an SQL WHERE clause. Give an example of when each would be used.

3 marksstandard

Quick recall flashcards

What does WHERE do?
Filters rows based on conditions
What does SELECT do?
Chooses which columns to display

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