Exam 13: Data Management Concepts

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Database software primarily deals with the physical aspects of file use,while accounting application software deals with the logical aspect of file use.

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What defines an entire database being loaded into computer-internal high-speed random access memory or other high-speed electronic storage device?

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DBMS is a user-friendly computer language or interface that allows the user to request information from the database.

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Object-oriented modeling can be ________ easily into object-oriented program code.

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In the E-R conceptual model,the term ________ is used instead of segment,and the term ________ is used to refer to individual fields or data items.

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Sequential-access files are often referred to as ISAM files.

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Response time is affected by

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The tree database structure corresponds to the data structure supported by COBOL and other widely used programming languages.

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A major advantage of DBMS is its ability to construct special database files quickly and efficiently.

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The command used in an SQL query to combine fields from several tables is

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A database contains the following data: Student Schedule (Student#,Student_name,Major,Course#1,ClassTime1,Location1,Course#2,ClassTime2,Location2,Course#3,ClassTime3,Location3) Required: Normalize this relation through the third normal form.

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The move to object-oriented design is due to the fact that OO databases outperform relational databases in a wide range of common tasks that are typically performed in a business environment.

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In the object-oriented modeling technique,an object class has the following structure: PAPER_INVENTORY (SUPPLIER_NO,DISCOUNT) What is the structure of the subclass COPY having the unique attributes QUANTITY and TYPE?

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________ connect(s)the business application to the database management system.

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In SQL,WHERE must be used to determine which records from the tables listed in the FROM clause will appear in the results of the SELECT statement.

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________ fields cross-link segments in tree and network database structures.

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SQL is a non-procedural programming language.

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Database dictionaries are used both alone and with DBMSs to ________ the use of data within an organization

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Describe the index,prime area,and overflow area in an ISAM file structure.

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Presented below is a list of terms relating to accounting information systems, followed by definitions of those terms.
Match the appropriate term with each definition. Each answer will be used only once.
Logical data structure
Defines the logical structure of the database (schema)
Key
A synonym for field
Node
A synonym for record key
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Logical data structure
Defines the logical structure of the database (schema)
Key
A synonym for field
Node
A synonym for record key
DQL
Systems that allow users to browse through databases in random fashion by selecting key words or objects
Element
The rational manner in which records and fields in the database are structured and organized
Hypertext systems
Almost all statements in SQL begin with this word
DML
The commands for updating, editing, manipulating, and extracting data from a database
SELECT
A user-friendly language or interface that allows the user to request information from the database
First normal form
Relational tables that do not contain any repeating groups
DDL
A synonym for repeated group
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