The key difference between union and union all in SQL server is that union gives the resulting dataset without duplicate rows while union all gives the resulting dataset with the duplicate rows. DBMS is a software to create and manage databases. A database consists of many tables, and the tables are related to each other. […]
Difference Between Inner Join and Natural Join
The key difference between Inner Join and Natural Join is that Inner Join provides the result based on the matched data according to the equality condition specified in the query while Natural Join provides the result based on the column with the same name and same data type present in tables to be joined. DBMS […]
Difference Between Mirroring and Replication
The key difference between mirroring and replication is that mirroring occurs on the database while replication occurs on the data and database objects. Another important difference between mirroring and replication is that mirroring does not support distributed environment but, replication supports distributed database environment. Mirroring and replication are two techniques in DBMS that improves data […]
Difference Between grant and revoke
The key difference between grant and revoke is that grant gives a privilege to the user while revoke takes back the privilege granted to the user. SQL provides different authorization levels for users. Grant and revoke are two such commands. Grant command allows giving an authorization to a user while revoke command allows withdrawing the […]
Difference Between DBMS and File Management System
The key difference between DBMS and File Management System is that a DBMS stores data to the hard disk according to a structure while a file management system stores data to the hard disk without using a structure. DBMS is a system software for creating and managing databases in an organized way while a file […]
Difference Between RDBMS and Hadoop
The key difference between RDBMS and Hadoop is that the RDBMS stores structured data while the Hadoop stores structured, semi-structured, and unstructured data. The RDBMS is a database management system based on the relational model. The Hadoop is a software for storing data and running applications on clusters of commodity hardware. CONTENTS 1. Overview and Key […]
Difference Between XML and XSD
Key Difference – XML vs XSD The key difference between XML and XSD is that XML is a markup language that is a flexible method of creating and sharing data over incompatible systems while XSD is used to define the structure and the content of an XML document. Different organizations use different systems. One […]
Difference Between Generalization and Specialization in DBMS
Key Difference – Generalization vs Specialization in DBMS The key difference between Generalization and Specialization in DBMS is that Generalization is the process of combining lower level entities to produce the higher-level entity while Specialization is the process of dividing the higher-level entity into lower level entities. Every organization need to store data according […]
Difference Between ER and EER Diagram
Key Difference – ER vs EER Diagram The key difference between ER and EER diagram is that the ER diagram is a visual representation of data based on ER model, and it describes how entities are related to each other in the database. EER diagram is a visual representation of data, based on EER […]
Difference Between DTD and XSD
Key Difference – DTD vs XSD DTD and XSD are related to XML, which is used for data transfer among its several functions. Most applications require data transfer. When the client machine requires getting data from the server, there should be an effective method to fetch data. XML can be used to achieve this […]
- 1
- 2
- 3
- …
- 10
- Next Page »