Key Difference – NoSQL vs MongoDB Relational database management systems (RDBMS) are used by many organizations. Structured Query Language (SQL) is used to store, retrieve and modify data in relational databases. They are not efficient in storing a tremendous range of data, and it is hard to do horizontal scaling. Therefore, NoSQL was introduced. […]
Difference Between Clustering and Classification
The key difference between clustering and classification is that clustering is an unsupervised learning technique that groups similar instances on the basis of features whereas classification is a supervised learning technique that assigns predefined tags to instances on the basis of features. Though clustering and classification appear to be similar processes, there is a difference […]
Difference Between Char and Varchar
Char vs Varchar Char and Varchar are commonly used character data types in the database system that look similar though there are differences between them when it comes to storage requirements. In database designing, there are a lot of data types used. Out of them, character data types get a more prominent place as they are used to […]
Difference Between Database and Data Warehouse
Database vs Data Warehouse The basis for the difference between a database and a data warehouse arises from the fact that a data warehouse is a type of database that is used for data analysis. A database is an organized collection of data stored on a computer system. Information about students, teachers, and classes […]
Difference Between Primary Key and Candidate Key
Primary Key vs Candidate Key Though primary key is selected from the candidate keys there exist some difference between the primary key and the other candidate keys, which will be discussed in detail in this article. Database designing is one of the most important activity that should be done when maintaining and storing data. During […]
Difference Between Varchar and Nvarchar
Varchar vs Nvarchar The difference between varchar and nvarchar indicates how data are stored in a database. A database system consists of data and data is defined by data types. A data type tells that what kind of value a column may contain. Each column in a database table must have a name and a […]
Difference Between Logical and Physical Data Model
Logical vs Physical Data Model Before discussing the difference between logical and physical data model, we must know what a data model is. A data model is a representation that describes the data and the relationships among them for a certain process. A data model is an essential component used during database design. Logical data […]
Difference Between NETCA and DBCA
NETCA vs DBCA In ORACLE, there are configuration assistants for separate tasks. NETCA and DBCA are two of the very important assistants. These assistants are Graphical User Interfaces (GUIs), which can be easily used. What is NETCA? NETCA stands for NET Configuration Assistant. This is a JAVA based GUI tool in ORACLE. NETCA is […]
Difference Between Oracle Standard Edition (SE) and Enterprise Edition (EE)
Oracle Standard Edition (SE) vs Enterprise Edition (EE) ORACLE database products are in five different editions. Each of these editions has a set of features related to performance, availability, scalability, and security areas. ORACLE EE contains all of those features and other editions have lesser features set. Here, are the available editions, 1. ORACLE […]
Difference Between BCNF and 4NF (4th Normalization)
BCNF vs 4NF (4th Normalization) Database normalization is a technique, which is dealing with relational database management systems. Data errors can be avoided in a well normalized database. Normalization is used to reduce the data redundancy of the database. That means implementing database tables and their relationships, eliminating redundancy and inconsistent dependency. There are […]
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