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it is the theoretical foundation of a database which fundamentally
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What is the most popular database model?
Relational Database Model
What are the Properties of relational database model?
The relational database model organizes data into relations or tables with rows and columns, providing a clear structure for data storage. It supports the concept of primary keys to uniquely identify each record in a table and foreign keys to establish relationships between tables. Additionally, it ensures data integrity through constraints like referential integrity and data normalization.
What is a good way to represent a database?
Relational model of database is a good way to represent the database. Also network data model and hierarchical model can be used depending on the requirements.
What is the difference between data model and database model?
A database is a collection of tables that is used for some purpose (typically an application of some sort). A database model is a description of that database, and describes how the tables relate to each other. Typically, a model is designed first, then the actual database is implemented using the model as a blueprint.
Architecture of Network database model?
what is the architecture of database network
Why firm shift from conventional database to object oriented database?
simplified standard model of database
What are the difference between hierarchical database and network database?
Hierarchical databases organize data in a tree-like structure with parent-child relationships and a strict one-to-many hierarchy, while network databases use a more flexible model with many-to-many relationships through pointers or links between records. Hierarchical databases are faster for accessing data along predefined paths, while network databases allow for more complex data relationships but can be more complex to manage.
Limitations and benefits of rational database model?
One of the advantages of a relational database model is that the broken keys and records and the data complexity are usually simplified. The disadvantage of the relational database model is that it requires sophisticated processing power which is very costly.
What does a Hierarchical database do?
A hierarchical model is a database model which represents the database in a tree diagram. It thus helps the user to work with(i.e., use, modify, extract etc.) the database without even bothering about the complicated algorithms or flow chart used by the system to deal with the database.
List the advantage and disadvantage of database management system?
Answering "List the advantage and disadvantage of object oriented database model?" Answering "List the advantage and disadvantage of object oriented database model?"
What is fuzzy database?
A fuzzy database incorporates fuzzy logic to handle imprecise or uncertain information. It allows for flexible querying and supports reasoning with vague or incomplete data. Fuzzy databases are useful in situations where traditional databases fall short due to their reliance on crisp, exact values.
What are the Classification of data model?
Data models can be classified into three main categories: conceptual data model (high-level view of the data and its relationships), logical data model (detailed structure of the data and relationships), and physical data model (implementation of the database design on a specific database management system).
