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19 Cards in this Set
- Front
- Back
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DATA |
RAW FACTS |
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INFORMATION |
PROCESSING DATA |
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DBMS |
A SOFTWARE THAT ENABLES USERS TO ACCESS, CREATE AND MAINTAIN A DATABASE |
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PERSONAL DATABASE |
SINGLE USER |
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WORKGROUP DATABASE |
SMALL NUMBER OF USERS (<50) |
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ENTERPRISE DATABASE |
MANY users (>50) |
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HIERARCHICAL DATA MODEL |
TREE STRUCTURE |
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NETWORK DATA MODEL |
LINKED LIST STRUCTURE |
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ER DATA MODEL |
ENTITY AND RELATIONSHIP |
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OO DATA MODEL |
COLLECTION OF OBJECT - CLASS |
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PHYSICAL DATA MODEL |
HOW DATA IS STORED IN THE COMPUTER |
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DATA MODEL SCHEMA |
DESCRIPTION OF DATABASE |
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DATA MODEL INSTANCE |
ACTUAL CONTENT OF DATABASE |
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DATA DEFINITION LANGUAGE |
DEFINING THE DATABASE SCHEME |
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DATA MANIPULATION LANGUAGE |
ACCESSING AND MANIPULATING THE DATA |
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SELECT |
RETRIEVES DATA FROM THE DATABASE |
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INSERT |
INSERT NEW DATA INTO THE DATABASE |
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UPDATE |
UPDATES EXISTING DATA IN THE DATABASE |
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DELETE |
DELETES EXISTING DATA IN THE DATABASE |
