CGS 2060 Final - Databases

Select the advantages of using a database instead of a traditional filing system.

1) A database can hold larger amounts of data 2) A database can provide better data accuracy

Select what's true about database fields

1) A group of related characters in a database 2) Represents a characteristic of someone or something 3) Primary key is a field designation

The data definition, as described in the data dictionary, tells users how each unit is defined in the database. Which of the following elements will be used to describe the data?

1) What field name will the data fall under 2) What data type will be included

The DBMS subsystem that allows for data recovery, support, and maintaining and securing the database is called the ___________ subsystem.

Data Administration

Adam was in the fifth grade when he was adopted by the Smith's. Because his school used a centralized database, all of his teachers had his correct name on their grade reports. This is an example of how a centralized database can help improve data ___ .

Integrity

Because Microsoft Access includes not only the software needed to create a database, but also the software needed to create forms, reports, data dictionaries and other capabilities, it is often referred to as a Database ___ System.

Management

A collection of related records in a database is referred to as a __________.

Table

When you make an online purchase and enter your shipping or billing information, you're actually filling out a form that was generated by a database management system. The DBMS subsystem that allows for form creation is the ___ generation subsystem.

application

What element of a database field specifies the data in a field such as text, numeric, or date/time?

data type

Amazon.com allows you to search for thousands and thousands of items using images and information that are organized logically. This much storage and management requires a complex ___ .

database

Because he wanted to be able to sort gifts according to continent and time zone, in 1984 Santa switched from using long lists to using ____________.

databases

An integral part of a databases management system (DBMS) is the Data Definition subsection. This subsection uses a data schema, also called a data ___ .

dictionary

A database that stores data in different physical locations and that users access through client/server networks is called a ___________ database.

distributed

In a database a ___________ is a group of related characters in a database table that represents a characteristic of someone or something.

field

When you need to link 2 tables in a database that don't have a field in common, one solution is to create a _____ in one table that links to the primary key in the other table.

foreign key

To control how information is entered into a database, programmers and database administrators create ____________ to help ensure data integrity.

forms

Databases are built by starting with single characters of data, organizing the data into fields, organizing the related fields into records, the records then make up a table. This organization is referred to as a data _____________.

hierarchy

The DBMS engine provides an interface for the end user of the database

logical

When you receive a utility bill, you're actually getting a report that was generated by a database management system. The DBMS subsystem that provides for data maintenance, analysis, and the generation of reports is called the data ___ subsystem.

manipulation

A complex database that organizes and stores information in a cube format and has measure attributes and feature attributes is called a ___________ database.

multidimensional

To search a database for information, create a _______.

query

In the datasheet view of a relational database (such as Microsoft Access) a row of information is called a ___________.

record

The type of database that uses common fields to create links between tables is called a __________ database.

relational

A link between tables in a relational database that defines how the data is called a ____________.

relationship

To display or distribute information from a database, programmers or database administrators create ___________.

reports