DEFINITION:
Is a collection of data that are interconnected with one another are stored in the computer and necessary software to manipulate. AtauPengorganisasian a collection of interrelated data making it easier for activities to obtain information.
LEVEL DATA
-Database = is a collection of files.
-file = Table is bringing together a number of records
-record = Record is a collection of a number of interrelated data elements
-Data item / Field = Field is the smallest state data that has meaning
-character = Character is the smallest piece of data, can be either numeric, letters or special characters.
DBMS (Database Management System)
• A system that is specifically designed to facilitate users in managing the database. The advantage of using a DBMS:
Independence of data
Efficient Usage of Data
Security is and Data Integrity
administrative data
Simultaneously Access and Recovery of Failures
Application development time is shortened.
According to Access Database Types Can be divided into four types, namely
Individual Data Base,
Corporate Data Base,
Distributed Data Base, and
Public Data Bank.
MODEL DATA
Is an integrated set of concepts used to describe the data, the relationship antardata. Consists of:
Hierarchical data model
Network Data Model
Relational Data Model
Object-Based Data Model.
OLAP
• Some kind of Software is used to make requests to the data in the form of a complex and transient.
• The purpose of OLAP is to use the information in a database (Data Warehouse).
• OLAP can be used to perform consolidation, Drill-Down and Slicing and Dicing.
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