Study Set Content:
1- Flashcard

Why do we need databases? In today’s world, data is?



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2- Flashcard

consists of raw facts.


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3- Flashcard

the result of processing raw data to reveal its meaning.


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4- Flashcard

Data is the foundation of information, which is the bedrock of _____ — that is, the body of information and facts about a specific subject.


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5- Flashcard

a discipline that focuses on the proper generation, storage, and retrieval of data

data management

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6- Flashcard

_____ is a shared, integrated computer structure that stores a collection of the following:


the following:

end-user data


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7- Flashcard

raw facts of interest to the end user

end-user data

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8- Flashcard

data about data, through which the end-user data is integrated and managed


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9- Flashcard

describes the data characteristics and the set of relationships that links the data found within the database.


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10- Flashcard

is a collection of programs that manages the database structure and controls access to the data stored in the database.

dbms(database management system)

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11- Flashcard

7 advantages of dbms:

improved data sharing

improved data security

better data integration

minimized data inconsistency

improved data access

improved decision-making

increased end-user productivity

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12- Flashcard

exists when different versions of the same data appears in different places.

data inconsistency

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13- Flashcard

is a comprehensive approach to promoting the accuracy, validity, and timeliness of the data.

data quality

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14- Flashcard

refers to the activities that focus on the design of the database structure that will be used to store and manage end-user data.

database design

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15- Flashcard

4 basic file terminology:

data - raw facts

field - a character or a group of characters

record - connected set of one or more fields

file - a collection of related records

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16- Flashcard

Problems with File System Data Processing. Problems with file systems data processing include:

data redundancy

data anomalies:

  • update anomalies
  • insertion anomalies
  • deletion anomalies
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17- Flashcard

 A data abnormality in which inconsistent changes have been made to a database.

data anomaly

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18- Flashcard

refers to an organization of components that define and regulate the collection, storage, management, and use of data within a database environment.

database system

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19- Flashcard

five major parts of database system:






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20- Flashcard

three types of software:

operating system software

dbms software

application programms and utilities

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