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Northern IrelandSoftware Systems DevelopmentQuick questions
A2 1 Systems Approaches and Database Concepts
Quick questions on SQL queries: SELECT, joins, aggregates and data definition - CCEA A-Level Software Systems Development
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Write SQL to list all fields of every Product whose price is below 10. [2 marks]
What is q2?Show answer
State the difference between the WHERE and HAVING clauses. [2 marks]
What is q3?Show answer
Name three SQL aggregate functions. [3 marks]
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