November December 2023 Level 3 Database Management Past Questions and Solutions

07 Dec 2024
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Tech Questions & Answers

Introduction

Welcome to Armstrong Computers College’s learning hub! 🎓 We are excited to present the November/December 2023 Level 3 Database Management Past Questions and Solutions. This blog is designed to help students understand how exam questions are structured and to develop a deeper understanding of database management systems.

Our goal is to equip students with the knowledge and confidence needed to excel in their exams. With each question provided below, simply click on it to reveal the answers and learn more. Additionally, we’ve included a downloadable resource for offline practice.

Why Use This Resource?

Here’s why this resource is essential for your preparation

Understand Question StructureGain insights into how questions are framed and what examiners expect in responses.
Comprehensive Solutions Each question comes with detailed answers to guide your study process.
Database Management MasteryBuild a strong foundation in database management system concepts and practical applications.
Downloadable ResourceAccess and download the complete question set for convenience and continuous learning.

How to Use This Resource

Step 1 Click on any question to view its detailed answer.
Step 2 Review and analyze the solutions to enhance your understanding.
Step 3 Download the full past question set using the link provided below.
Step 4 Practice and revisit the questions as often as needed.

SECTION A

Answer all the questions.

✍️ 1. Explain the difference between Text and Memo data types.

Text: Stores short alphanumeric values up to 255 characters.
Memo: Stores larger text blocks, up to 65,536 characters, used for detailed descriptions or comments.

✍️ 2. Explain the double data types with examples.

The double data type stores floating-point numbers for precise calculations.
Example:

Double salary = 4567.89;
Double temperature = -12.34;

✍️ 3. a. Explain the term Compact and Repair.

Compact and Repair is a tool in MS Access that reduces file size and resolves database corruption.

✍️ 3. b. Mention two (2) ways of compacting and repairing a database.

1. Automatically when closing the database.
2. Using the "Compact and Repair" tool from the Database Tools tab.

✍️ 4. a. Explain the field size property of a text field.

Field size determines the maximum number of characters a text field can hold.

✍️ 4. b. State two (2) data types that their field size can be set.

1. Text
2. Number

✍️ 5. a. Explain the term Query.

A Query retrieves, updates, or manipulates data from a database.

✍️ 5. b. Mention the types of Queries.

1. Select Query
2. Action Query
3. Parameter Query
4. Crosstab Query

✍️ 6. a. What are Linked tables?

Linked tables are tables in a database that are connected to external data sources, such as other databases or files.

✍️ 6. b. Explain the importance of using forms for linked tables.

Forms simplify data entry and ensure validation when interacting with linked tables, improving data integrity and ease of use.

✍️ 7. a. What is a cell?

A cell is the intersection of a column and a row in a table, holding a single piece of data.

✍️ 7. b. Explain the term Columns and Rows.

Columns: Vertical arrangements of data in a table.
Rows: Horizontal arrangements of data in a table.

✍️ 8. a. Explain the term Wizard.

A Wizard is a step-by-step tool that guides users through complex tasks, such as creating forms or queries.

✍️ 8. b. State how Wizards are used.

Wizards are used to simplify tasks by providing prompts, options, and templates, such as creating a report or linking a table.

✍️ 9. Compare and contrast Foreign key and Primary key.

Foreign Key: Links tables by referencing the Primary Key in another table.
Primary Key: Uniquely identifies each record in a table.
Comparison: Both are essential for relational databases; Foreign Keys create relationships, while Primary Keys ensure uniqueness.

✍️ 10. a. Explain index field property of a table.

The index field property improves query performance by organizing data for faster retrieval.

✍️ 10. b. Mention how index can be treated.

1. Single-field index
2. Multi-field index

SECTION B (50 MARKS)
PRACTICAL – COMPULSORY

✍️1. Design a database called EXAMINATION
✍️2. Create the four (4) tables below and save them as GENDER, HALLS, GRADING and STUDENTS.
✍️3. Create a lookup table for both GENDER AND HALL columns in the STUDENTS table and link it with its respective tables.

✍️4. Use update query to assign the GRADES and GRADE INTERPRETATIONS in the STUDENTS table using the grading system in the GRADING table

✍️5. Print all the four tables. Print the STUDENTS table in Landscape orientation.

Let's look at how to do that practically

📥 Download Full Question Set

Click here to download the November/December 2023 Level 3 Database Management Past Questions and practice offline!

Stay ahead of your exams by practicing these questions and understanding their solutions. Don’t forget to share this resource with your peers and help spread the knowledge!

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