Aggregation, Query Facility
by Aggregation Data aggregation is the process where data is collected and presented in a summarized format for statistical analysis and to effectively achieve business objectives. …
Tag: Data Redundancy
OLAP function and Tools: OLAP Servers, ROLAP, MOLAP, HOLAP
Online Analytical Processing Server (OLAP) is based on the multidimensional data model. It allows managers, and analysts to get an insight of the information through …
Distributed Database, Characteristics, Types, Components, Challenges
Distributed Database, Characteristics, Types, Components, Challenges
Key differences between File Oriented System and Database System
Key differences between File Oriented System and Database System
Integrity Constraints, Types, Important
Integrity Constraints, Types, Important
Entity-Relationship (ER) Model, Entities, Attributes, Relationships, Constraints, ER diagrams, Extended features (Generalization, Specialization, Aggregation)
Entity-Relationship (ER) Model: Entities, Attributes, Relationships, Constraints, ER diagrams, Extended features (Generalization, Specialization, Aggregation)
Data Manipulation Language, Commands, Uses
Data Manipulation Language, Commands, Uses
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