How to Install Hadoop on EC2 Instance ?
We are going to install Hadoop on ec2 instance. We will be working here with the Amazon AWS system. It offers a fairly decent free tier service to set this …
DBMS
Degree of relationship in DBMS
The number of entities that are participating in the relationship or known as the degree of that relationship. The degree of relationship can be binary, ternary, or quaternary. For example, …
Integrity constraints in DBMS
The integrity constraints are the set of rules that has to be followed while creating a relation or a table. By following these integrity constraints the data we enter in …
Types of Attributes in DBMS
Attributes are the units that describe the characteristics of the entity. For example, a student set is an entity and to differentiate one student from another you will have to …
File Organization in DBMS
The file organization is a collection of related information that is stored in the secondary storage. These secondary storages are the hard drives and portable drives where the files are …
Characteristics of the Database Approach
Top 5 Characteristics of the database approach while implementing it by the database management system. Self-describing nature of database The meaning of the self-describing nature of databases is that …
Data Warehousing and Data Mining
Data Warehouse Data warehouse and data mining are some of the most important concepts of data science. Because at an initial level people have to deal with raw data and …
File System Vs DBMS (Difference between file system and DBMS)
File System Vs DBMS – Why File Systems were replaced by DBMS ?. Difference between file system and DBMS. Before the database management system started the file system was used …
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Difference Between DBMS and RDBMS [DBMS vs RDBMS]
The database management system (DBMS) is a software that is programmed to represent the features of its database model. The database model provides us the structure of how the data …
What is Data Abstraction in DBMS
Data abstraction in DBMS is hiding details of the database as we progress in the view levels. As the literal meaning of the data abstraction suggests, that is abstracting or …