Computer ScienceChapter 12: Using Queries in Access
Joining Tables
Joins connect matching key values; join type determines whether unmatched records are included.
Learning objectives
- Define and explain joining tables 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
Joins connect matching key values; join type determines whether unmatched records are included.
Important terms
- Joining tables
- Joins connect matching key values; join type determines whether unmatched records are included.
- Joining
- Joins connect matching key values; join type determines whether unmatched records are included.
- tables
- Joins connect matching key values; join type determines whether unmatched records are included.
- Joins connect matching key values
- Joins connect matching key values; join type determines whether unmatched records are included.
Overview
Learn the concept through terminology and working:
Terminology and Concept
Terminology: use Joining tables, Joining, tables, Joins connect matching key values precisely. Define each term before using it in an explanation, algorithm, program, or comparison.
Examples Joins connect matching key values; join type determines whether unmatched records are included.
Working and Application
Working method: first identify the input or starting state for joining tables; 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 joining tables to a small school, home, or software problem and trace the result.
CONCEPT — What it means
Joins connect matching key values; join type determines whether unmatched records are included.
TERMINOLOGY — Words to use
Terminology: use Joining tables, Joining, tables, Joins connect matching key values 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 joining tables; 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 joining tables to a small school, home, or software problem and trace the result.
In simple words
Do not memorise the name 'Joining tables' without explaining what information enters, what process occurs, and what result is produced.
Key points
- Joining tables
- Joining
- tables
- Joins connect matching key values
Exam preparation
Exam Focus
Quick revision
Revision Zone
Review the key facts, formulas and checks before you move on.Joining Tables
Sticky Notes · Quick Revision
Concept
- Joins connect matching key values; join type determines whether unmatched records are included.
Terminology
- Terminology: use Joining tables, Joining, tables, Joins connect matching key values 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 joining tables; 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 joining tables to a small school, home, or software problem and trace the result.
Common Mistake
- Do not memorise the name 'Joining tables' 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
- Joins connect matching key values; join type determines whether unmatched records are included.
- Working method: first identify the input or starting state for joining tables; then apply the rule or process in a clear order; finally inspect the output, test an edge case, and explain any limitation.
- Example: apply joining tables to a small school, home, or software problem and trace the result.
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