Computer ScienceChapter 12: Using Queries in Access
Totals Queries
Group By with sum, count, average, minimum, or maximum summarises records by category.
Learning objectives
- Define and explain totals queries in clear language.
- Use the important technical terms accurately.
- Describe the working process in the correct order.
- Apply the concept to a realistic computing example.
- Test or evaluate the result and state a limitation.
Definition
Group By with sum, count, average, minimum, or maximum summarises records by category.
Important terms
- Totals queries
- Group By with sum, count, average, minimum, or maximum summarises records by category.
- Totals
- Group By with sum, count, average, minimum, or maximum summarises records by category.
- queries
- Group By with sum, count, average, minimum, or maximum summarises records by category.
- Group By with sum
- Group By with sum, count, average, minimum, or maximum summarises records by category.
- or maximum summarises records by category.
- Group By with sum, count, average, minimum, or maximum summarises records by category.
Overview
Learn the concept through terminology and working:
Terminology and Concept
Terminology: use Totals queries, Totals, queries, Group By with sum precisely. Define each term before using it in an explanation, algorithm, program, or comparison.
Examples Group By with sum, count, average, minimum, or maximum summarises records by category.
Working and Application
Working method: first identify the input or starting state for totals queries; then apply the rule or process in a clear order; finally inspect the output, test an edge case, and explain any limitation.
Examples Example: apply totals queries to a small school, home, or software problem and trace the result.
CONCEPT — What it means
Group By with sum, count, average, minimum, or maximum summarises records by category.
TERMINOLOGY — Words to use
Terminology: use Totals queries, Totals, queries, Group By with sum precisely. Define each term before using it in an explanation, algorithm, program, or comparison.
WORKING — How it operates
Working method: first identify the input or starting state for totals queries; then apply the rule or process in a clear order; finally inspect the output, test an edge case, and explain any limitation.
EXAMPLE — Apply it
Example: apply totals queries to a small school, home, or software problem and trace the result.
In simple words
Do not memorise the name 'Totals queries' without explaining what information enters, what process occurs, and what result is produced.
Key points
- Totals queries
- Totals
- queries
- Group By with sum
Exam preparation
Exam Focus
Quick revision
Revision Zone
Review the key facts, formulas and checks before you move on.Totals Queries
Sticky Notes · Quick Revision
Concept
- Group By with sum, count, average, minimum, or maximum summarises records by category.
Terminology
- Terminology: use Totals queries, Totals, queries, Group By with sum precisely. Define each term before using it in an explanation, algorithm, program, or comparison.
Working
- Working method: first identify the input or starting state for totals queries; then apply the rule or process in a clear order; finally inspect the output, test an edge case, and explain any limitation.
Example
- Example: apply totals queries to a small school, home, or software problem and trace the result.
Common Mistake
- Do not memorise the name 'Totals queries' without explaining what information enters, what process occurs, and what result is produced.
Exam Tip
- Define the concept, name its parts, explain the working in order, then add and trace one correct example.
60-second revision
- Group By with sum, count, average, minimum, or maximum summarises records by category.
- Working method: first identify the input or starting state for totals queries; then apply the rule or process in a clear order; finally inspect the output, test an edge case, and explain any limitation.
- Example: apply totals queries to a small school, home, or software problem and trace the result.
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