VT Chapter 11 Flashcards

(45 cards)

1
Q

database

A

collection of information that is organized in a useful way

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2
Q

table

A

database object in which data is stored, arranged in rows and columns

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3
Q

field

A

single piece of information in a record within a database (column)

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4
Q

record

A

information for a single entity in the database (row)

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5
Q

primary key

A

special field in a record that uniquely identifies the record in the table

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6
Q

Forms

A

a database object that makes it easier to enter data into a database table and displays the information in an easy to read layout

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7
Q

Report

A

displays data from a table or a query in a format that is easy to read and print

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8
Q

query

A

retrieves specific data from one or more tables

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9
Q

A _______ is a collection of related information

A

database

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10
Q

A table is a database object in which data is stored. It is arranged in rows called _____ and columns called ______.

A

records, fields

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11
Q

The _____ uniquely identifies a record in a table.

A

primary key

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12
Q

flat databse

A

consists of a single list of items

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13
Q

relational database

A

consists of multiple tables that are related by common information

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14
Q

one to many relationship

A

when a single record in a table links to multiple records in another table

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15
Q

one to one relationship

A

a record in one table is linked to a single record in another table.

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16
Q

object oriented database (OODB)

A

data is stored as objects

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17
Q

multidimensional database (MDB)

A

structures the information into multidimensional data cubes.

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18
Q

data warehouse

A

central repository for all the data that an enterprise uses

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19
Q

Database management system (DBMS)

A

software used to create and manage data in a database

20
Q

data dictionary

A

defines all the fields and the type of data each field will contain

21
Q

data type

A

defines the kind of data that you can enter in a field, including text, numbers, dates, images, and hyperlinks

22
Q

data normalization

A

reduces the size of a database making it easier to keep records up to date and increases query speed

23
Q

data validation

A

reduces data entry errors by using validation rules such as data type, data length, acceptable values, and required fields.

24
Q

database administrator (DBA)

A

person who manages database systems

25
The design of a database starts with the data ________
dictionary
26
Good database design use _______ to reduce data redundancy
normalization
27
_________ reduces data entry errors
Data validation
28
_______ is used to manipulate, query, and update data in relational databases.
SQL
29
information system
the people, hardware, and software that supports data intensive applications such as financial accounts, human resources and other business transactions
30
Office support systems (OSS)
include software and hardware that improve the productivity of employees by automating common tasks
31
management information system
includes software, hardware, data resources, decision support systems, people and project management applications
32
Business Intelligence Tools
applications that are used to analyze data in information systems to help make decisions
33
Artificial Intelligence
the branch of science concerned with making computers behave like humans
34
expert system
a computer programmed to make decisions in real life situations
35
knowledge base (part of expert system)
contains expert knowledge and accumulated experience in a particular field
36
Inference engine (part of expert system)
A set of rules for applying the knowledge base to each particular situation
37
_________ consist of people, hardware and software.
Information systems
38
___________ links together multiple operations and ensures that all operations in a transaction are completed without error.
Transaction Processing
39
IAFIS (Integrated Automated Fingerprint Identification System)
national fingerprint and criminal history system maintained by the FBI and used by local, state and federal law enforcement
40
CODIS (Combined DNA Index System)
searches across multiple local, state, and national DNA profile databases
41
Bioinformatics
the application of information technology to the field of biology
42
Geographic Information System (GIS)
combines layers, or datasets, of geographically referenced information about Earth's surface
43
_________ searches across multiple DNA indexes for a potential match
CODIS
44
IAFIS is now ______
Next Generation Identification (NGI)
45
The Human Genome project is an example of ________
Bioinformatics