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<=CDACC ICT Technician Level 5 : Manage Database System past paper March 2023
You have been contracted to create a library system for a certain college. In this system, a student is identified by a Student number and name. A student can borrow a maximum of three books. Each book is identified by an ISBN and BookName. Many students can borrow many books. Every borrow transaction is recorded using StudentNo, Date Borrowed and Return date. Identify the entities in this system and the respective attributes. (6 marks)
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Questions List:
1. ____________ is an attribute that uniquely identifies an entity in a relational database system. (1 mark) A. Unique key B. Primary key C. Foreign key D. Null key
2. Which of the following is not an output of the query h??d? (1 mark) A. head B. heed C. Heard D. Hoed
3. Another name for a row in a relational database table is a ______. (1 mark) A. Tuple B. Domain C. Degree D. Cardinality
4. Which command activates the current query when executed? (1 mark) A. Show table B. List box C. Cross tab D. Run
5. A data type used when inserting images into a table is a ___________. (1 mark) A. OLE B. Memo C. Picture D. Look up
6. ________ is not a source of data for a report. (1 mark) A. Form B. Table C. View D. Query
7. “…” at the end of a field property box represents ______________. (1 mark) A. Make button B. Continuation C. Expression builder D. Open button
8. __________ is not a property of number data type. (1 mark) A. Allow zero length B. Format C. Caption D. Input mask
9. A _________ view allows addition of controls to a form. (1 mark) A. Datasheet B. Form C. Design D. Wizard
10. Which of the relationships cannot be implemented by a relational DBMS? (1 mark) A. one to many B. many to many C. many to one D. one to one
11. In MS Access, the maximum length of characters for a text data type is ________. (1 mark) A. 64 B. 256 C. 128 D. 255
12. A collection of related files is called a _____________. (1 mark) A. Database B. Table C. Record D. Form
13. Microsoft Access 2007 saves files using _______ file extension. (1 mark) A. .mdb B. .xlsx C. .accdb D. .docx
14. A primary key included in another table is referred to as a_______ key. (1 mark) A. Foreign B. Super C. Candidate D. Source
15. A data type that stores logical value in MS Access is a ___________. (1 mark) A. True/False B. OR C. Yes/No D. On/Off
16. A _______ is used to add logic to a database and automate repetitive tasks to create a more usable interface. (1 mark) A. Macro B. Module C. Query D. Form
17. Which of the following is not a characteristic of a primary key? (1 mark) A. Unique B. Not null C. Required D. Redundant
18. The following are parts of a query design window except ________. (1 mark) A. Data type B. Field C. Condition D. Table
19. An operator that returns records if only one of two or more given conditions is true is called a _____. (1 mark) A. OR B. NOT C. XOR D. NAND
20. Which one of the following is not a database operation? (1 mark) A. Insert B. Transform C. Update D. Select
21. Define the term index as used in databases. (2 marks)
22. Outline four functions of a Database Management System Software (DBMS). (4 marks)
23. Duke uses a hierarchical model for data storage. Explain two challenges he is likely to encounter with this database. (4 marks)
24. Mary created a form for her database. Outline four uses of this form. (4 marks)
25. Andrew has been hired as a database administrator in a company. Explain five roles he is likely to play. (5 marks)
26. Explain each of the following types of queries: a) Update (2 marks) b) Append (2 marks)
27. Distinguish between bound and unbound controls in a database form. (2 marks)
28. Describe two components of a database system.
29. James created a report using design view. Describe two sections of the report where he could have added controls. (4 marks)
30. Table 1 shows data stored by a car selling company. Use it to answer the questions that follow:
31. Classify each of the following DBMS software as either server or desktop software. MS Access, Paradox, Wamp, MySQL, FoxPro, Oracle (3 marks)
32. Explain the function of a subform in a database system. (4 marks)
33. Differentiate between an atomic and a multivalued attribute. (4 marks)
34. Janet created a one-to-many relationship between two tables. Describe three constraints she could have enforced to ensure consistency of data. (6 marks)
35. You have been contracted to create a library system for a certain college. In this system, a student is identified by a Student number and name. A student can borrow a maximum of three books. Each book is identified by an ISBN and BookName. Many students can borrow many books. Every borrow transaction is recorded using StudentNo, Date Borrowed and Return date. Identify the entities in this system
36. David intends to design a database system. Describe three models he is likely to design. (6 marks)
37. A student intends to implement Table 1 using MS Access.
38. FunTech company is replacing an existing file-based system with a database system. i) Explain two demerits of the current system. (4 marks) ii) Explain two benefits the company may accrue for implementing the new system. (4 marks)
39. Joel printed a report in Microsoft Access to present to the management of a certain company. i) Describe two methods he is likely to use. (4 marks) ii) Describe two ways of arranging this data. (4 marks) iii) Explain the presence of null values in this report. (2 marks)
40. Table 2 shows sample field properties. Use it to answer the question that follows.
1. ____________ is an attribute that uniquely identifies an entity in a relational database system. (1 mark) A. Unique key B. Primary key C. Foreign key D. Null key
2. Which of the following is not an output of the query h??d? (1 mark) A. head B. heed C. Heard D. Hoed
3. Another name for a row in a relational database table is a ______. (1 mark) A. Tuple B. Domain C. Degree D. Cardinality
4. Which command activates the current query when executed? (1 mark) A. Show table B. List box C. Cross tab D. Run
5. A data type used when inserting images into a table is a ___________. (1 mark) A. OLE B. Memo C. Picture D. Look up
6. ________ is not a source of data for a report. (1 mark) A. Form B. Table C. View D. Query
7. “…” at the end of a field property box represents ______________. (1 mark) A. Make button B. Continuation C. Expression builder D. Open button
8. __________ is not a property of number data type. (1 mark) A. Allow zero length B. Format C. Caption D. Input mask
9. A _________ view allows addition of controls to a form. (1 mark) A. Datasheet B. Form C. Design D. Wizard
10. Which of the relationships cannot be implemented by a relational DBMS? (1 mark) A. one to many B. many to many C. many to one D. one to one
11. In MS Access, the maximum length of characters for a text data type is ________. (1 mark) A. 64 B. 256 C. 128 D. 255
12. A collection of related files is called a _____________. (1 mark) A. Database B. Table C. Record D. Form
13. Microsoft Access 2007 saves files using _______ file extension. (1 mark) A. .mdb B. .xlsx C. .accdb D. .docx
14. A primary key included in another table is referred to as a_______ key. (1 mark) A. Foreign B. Super C. Candidate D. Source
15. A data type that stores logical value in MS Access is a ___________. (1 mark) A. True/False B. OR C. Yes/No D. On/Off
16. A _______ is used to add logic to a database and automate repetitive tasks to create a more usable interface. (1 mark) A. Macro B. Module C. Query D. Form
17. Which of the following is not a characteristic of a primary key? (1 mark) A. Unique B. Not null C. Required D. Redundant
18. The following are parts of a query design window except ________. (1 mark) A. Data type B. Field C. Condition D. Table
19. An operator that returns records if only one of two or more given conditions is true is called a _____. (1 mark) A. OR B. NOT C. XOR D. NAND
20. Which one of the following is not a database operation? (1 mark) A. Insert B. Transform C. Update D. Select
21. Define the term index as used in databases. (2 marks)
22. Outline four functions of a Database Management System Software (DBMS). (4 marks)
23. Duke uses a hierarchical model for data storage. Explain two challenges he is likely to encounter with this database. (4 marks)
24. Mary created a form for her database. Outline four uses of this form. (4 marks)
25. Andrew has been hired as a database administrator in a company. Explain five roles he is likely to play. (5 marks)
26. Explain each of the following types of queries: a) Update (2 marks) b) Append (2 marks)
27. Distinguish between bound and unbound controls in a database form. (2 marks)
28. Describe two components of a database system.
29. James created a report using design view. Describe two sections of the report where he could have added controls. (4 marks)
30. Table 1 shows data stored by a car selling company. Use it to answer the questions that follow:
31. Classify each of the following DBMS software as either server or desktop software. MS Access, Paradox, Wamp, MySQL, FoxPro, Oracle (3 marks)
32. Explain the function of a subform in a database system. (4 marks)
33. Differentiate between an atomic and a multivalued attribute. (4 marks)
34. Janet created a one-to-many relationship between two tables. Describe three constraints she could have enforced to ensure consistency of data. (6 marks)
35. You have been contracted to create a library system for a certain college. In this system, a student is identified by a Student number and name. A student can borrow a maximum of three books. Each book is identified by an ISBN and BookName. Many students can borrow many books. Every borrow transaction is recorded using StudentNo, Date Borrowed and Return date. Identify the entities in this system
36. David intends to design a database system. Describe three models he is likely to design. (6 marks)
37. A student intends to implement Table 1 using MS Access.
38. FunTech company is replacing an existing file-based system with a database system. i) Explain two demerits of the current system. (4 marks) ii) Explain two benefits the company may accrue for implementing the new system. (4 marks)
39. Joel printed a report in Microsoft Access to present to the management of a certain company. i) Describe two methods he is likely to use. (4 marks) ii) Describe two ways of arranging this data. (4 marks) iii) Explain the presence of null values in this report. (2 marks)
40. Table 2 shows sample field properties. Use it to answer the question that follows.
