Data independence is a different term which represents the usage of the three-schema architecture. It refers to the character trait of being capable of modifying the schema at one level of the database system. It occurs without changing the schema at the next level. Data independence is of two types: 1. Logical Data … Read more
DBMS Multimedia Database Multimedia database is a collection of multimedia data which includes text, images, graphics (drawings, sketches), animations, audio, video, among others. These databases have extensive amounts of data which can be multimedia and multisource. The framework which manages these multimedia databases and their different types so that the data can be stored, utilized, … Read more
There are complex data structures in the database systems. Developers use data abstraction to increase the efficiency of the system in retrieving of data and reducing the complexity of these structures for users. Data abstraction means hiding details from users that are not relevant to them. The process helps simplify complex data structures. Data … Read more
The database management system design depends on its architecture. A large number of computers, database servers, web servers, and other components which are connected with networks are handled by a basic client/server architecture. It consists of a large number of computers and a workstation connected with a network. The architecture of the DBMS depends … Read more
The differences between the file system and the database management system are: DBMS File System DBMS is just a collection of data, and the user is not required to write any of the procedures. The file system is also a collection of data, but in the file system, the user has to write all the … Read more
Any defined object in the database which can be used to reference or store data is known as a database object. Database objects can be made using the create command. These database objects are used for holding and manipulating the data in the database. The examples of database objects include: View: Subsets of data from … Read more
A Database Management System (DBMS) creates and manages databases. With the help of DBMS, programmers can easily retrieve, create, update, and manage data. There are various functions performed by DBMS, which gives it an upper hand over the traditional file system. Users can also create their personalized database as per requirement. Need of DBMS DBMS … Read more
What is a database? Database is a collection of data which is interrelated and is used to retrieve, insert, and modify data efficiently. It can also be used to organize the data in the database in a schema, table, views, reports, etc. Information retrieval, modification, deletion and insertion can be done using the database. Database … Read more