1. JojiIlagan Career Center Foundation, Inc. PRILIM EXAMINATION
College of Business and Tourism Com Ed 5–Database Management
Gov. Chavez Street, Davao City Jeff Rey A. Comidoy – Instructor
I. Choose the letter of the correct answer.
1. It is a collection of data modelling a real world enterprise..
a. Database b. DBMS c. DBS d. Letters B and C
2. It is the software package to store and manage data..
a. Database b. DBMS c. DBS d. Letters B and C
3. It is the software to access and process the data.
a. Application Programs b. Information System c. DBMS d. Database
4. A combination of database, DBMS, and application programs is called…
a. Application Programs b. Information System c. DBMS d. Database
5. It is a collection of concepts for describing data.
a. Data model b. Schema c. Relational Data Model d. None of the three
6. Database software is called…
a. Database b. DBMS c. DBS d. Letters B and C
7. It is a collection of unprocessed items.
a. Data b. Information c. Computer process d. None of the three
8. It is data that is organized and meaning.
a. Data b. Information c. Computer process d. None of the three
9. It is the degree to which data is correct..
a. Data Integrity b. Garbage In c. Garbage Out d. GIGO
10. Computer phrase that means you cannot create correct information from incorrect data.
a. Data Integrity b. Garbage In c. Garbage Out d. GIGO
11. What are the qualities of valuable information?
a. Accurate b. Verifiable c. Timely d. All of the three
12. It is the combination of one or more characters.
a. Field b. Records c. Files d. Database
13. It is the unique identifier of a field
a. Field Name b. Field Size c. Data Type d. None of the three
14. It defines the maximum number of characters a field can contain.
a. Field Name b. Field Size c. Data Type d. None of the three
15. It specifies the kind of data field contain.
a. Field Name b. Field Size c. Data Type d. None of the three
16. It is the smallest unit of data the user can access..
a. Field Name b. Field Size c. Data Type d. None of the three
17. A data type that is also called alphanumeric that contain letters, numbers, or special characters.
a. Text b. Numeric c. Currency d. Date
18. A data type that is a dollar and cent amounts or numbers containing decimal values.
a. Yes/No b. Numeric c. Currency d. Memo
19. A data type that is also called Boolean, there are only two values that may be True or False.
a. Yes/No b. Numeric c. Currency d. Memo
20. A data type that has lengthy text entries.
a. Yes/No b. Hyperlink c. Currency d. Memo
21. A data type that is a web address that links to document or Web page
a. Yes/No b. Hyperlink c. Object d. Memo
22. A data type that is also called BLOB)—photograph, audio, video, or document created in other application.
a. Yes/No b. Hyperlink c. Object d. Memo
23. It is a group of related fields.
a. Record b. File c. Field d. Database
24. It uniquely identifies each record.
a. primary key b. field c. file d. database
25. It is a collection of related records stored on disk.
a. primary key b. field c. file d. database
26. Procedures that keep data current
a. Adding records b. Changing records c. Deleting records d. All of the three
27. Process of comparing data with a set of rules to find out if data is correct.
a. Validation b. Redundancy c. Integrity d. None of the three
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2. 28. Strength of database approach….
a. Easier access b. Improved data integrity c. Shared data d. All of the three
29. Popular database management systems (DBMS).
a. MS Access b. Visual Basic 6 c. SQL Server d. All of the three
30. Contains data about each file in database and each field within those files.
a. Data dictionary b. Data integrity c. DBMS d. Data file
For Test II and III
A company has several departments. Each department has a supervisor and at least one employee. Employees must
be assigned to at least one, but possibly more departments. At least one employee is assigned to a project, but an
employee may be on vacation and not assigned to any projects.
II. Write the relationship matrix (table) that has rows and columns for each of the identified entities (10 pts.).
III. Draw the Entity-Relationship Diagram of the above-mentioned example with cardinality and relationships
(30 pts)
IV. What is the meaning of the following cardinality constraints?
2 | ComEd5|Prelim