Chapter 5 Flashcards

0
Q

Database

A

Self describing collection of integrated records

Spreadsheet: lists that involve a single theme
Database: lists that involve multiple themes (e.g. grades, emails, office visits)

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1
Q

Content management (CMS)

A

Info system that tracks organizational documents, webpages, graphics and related materials

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2
Q

Another word for columns

A

Fields

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3
Q

Another word for rows

A

Records

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4
Q

A group of similar rows or records

A

Table/ file

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5
Q

Key

A

Column/ groups of columns that identify a unique row in a table

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6
Q

Foreign keys

A

Columns that fulfill a role

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7
Q

Relational databases

A

Databases that carry their data in the form of tables and represent relationships using foreign keys

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8
Q

Relation

A

Formal name for a table

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9
Q

Components of a database application system

A

User-> database application-> database management system-> database

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10
Q

Database application

A

Consists of forms, formatted reports, queries and application programs

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11
Q

Database management system (DMS)

A

Programs used to create, process and administer a database

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12
Q

Structured query language (SQL)

A

International standard language for processing a database

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13
Q

Data entry forms

A

Used to read, insert, modify and delete data

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14
Q

Reports

A

Show data in a structured context

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15
Q

Query

A

Request for data from a database

16
Q

Multiuser processing

A

When multiple users process the database at the same time

17
Q

Lost- update problem

A

Issue in multiuser database processing in which 2 or more users try to make changes to the data but the database cannot make all the changes because it was not designed to process changes from multiple users

18
Q

Enterprise DBMS

A

One of the 2 broad categories that DBMS products fall into; processes large organizational and workgroup databases, supports many users and different database applications, operates 24/7 operations and manages data that spans dozens of different magnetic disks with hundreds of gigabytes or more of data

19
Q

Personal DBMS

A

One of the 2 broad categories DBMS products fall into; designed for smaller, simpler database applications, used for personal/ small workgroup applications that involve fewer than 100 users and normally fewer than 15 (most only have 1.) The only one remaining is Microsoft Access.

20
Q

Components of a personal database application system

A

User-> DBMS & application -> DB
(With forms
reports
queries
application code)

21
Q

Components of a database

A

Tables/ Files + Relationships among rows in tables + Metadata