Learning objective
Structured Query Language (SQL): Be able to use SQL to retrieve, update, insert and delete data from multiple tables of a relational database. Be able to use SQL to define a database table.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Flashcards
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Questions
Topic
Structured Query Language (SQL)
Subtopic
Structured Query Language (SQL)
Study support
Understand this objective
Quick explanation
Structured Query Language (SQL): Be able to use SQL to retrieve, update, insert and delete data from multiple tables of a relational database. Be able to use SQL to define a database table
- This point belongs to Structured Query Language (SQL), especially Structured Query Language (SQL).
- You need to be able to structured Query Language (SQL): Be able to use SQL to retrieve, update, insert and delete data from multiple tables of a relational database. Be able to use SQL to define a database table.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Why it matters
This objective helps connect Structured Query Language (SQL) to exam-style questions, flashcards, and revision notes for Structured Query Language (SQL).
Quick student answer
Which SQL statement retrieves all columns from a table named Student?
Direct answer
SELECT * FROM Student;
Key terms
- JOIN: An SQL operation that combines related data from multiple tables using a matching condition.
- WHERE: A condition used to restrict which rows are selected, updated or deleted.
Common trap
Updating or deleting every row: Use WHERE to identify the intended row or rows, for example: DELETE FROM Customer WHERE CustomerID = 45;
Related questions
Try this as a practice card
Question 1 of 4
Choose an answer, get feedback, then move sideways through the set.
Flashcard prompts
Flip through the key recall cards
Flashcard 1 of 4
Revision tools