- What is meant by database?
- What are the features of database?
- Why is database design so important?
- Why is it important to study database?
- What are 3 types of databases?
- What are the types of database?
- What are advantages of a database?
- What is database and its advantages and disadvantages?
- What are the roles of database?
- What are the 4 types of database?
- What is database example?
What is meant by database?
Database defined A database is an organized collection of structured information, or data, typically stored electronically in a computer system.
A database is usually controlled by a database management system (DBMS).
Most databases use structured query language (SQL) for writing and querying data..
What are the features of database?
Main Features of a DBMS· Low Repetition and Redundancy. In a database, the chances of data duplication are quite high as several users use one database. … · Easy Maintenance of Large Databases. … · Enhanced Security. … · Improved File Consistency. … · Multi-User Environment Support. … 1- Hierarchical. … 2- Network. … 3- Relational.More items…•
Why is database design so important?
A well-designed database is imperative in guaranteeing information consistency, eliminating redundant data, efficiently executing queries, and improving the performance of the database. Meticulously designing a database saves you from wasting time and getting frustrated during the database development phase.
Why is it important to study database?
A database is typically designed so that it is easy to store and access information. … A good database is crucial to any company or organisation. This is because the database stores all the pertinent details about the company such as employee records, transactional records, salary details etc.
What are 3 types of databases?
Types of DatabasesHierarchical databases.Network databases.Object-oriented databases.Relational databases.NoSQL databases.
What are the types of database?
Types of databasesCentralised database.Distributed database.Personal database.End-user database.Commercial database.NoSQL database.Operational database.Relational database.More items…•
What are advantages of a database?
AdvantagesReduced data redundancy.Reduced updating errors and increased consistency.Greater data integrity and independence from applications programs.Improved data access to users through use of host and query languages.Improved data security.Reduced data entry, storage, and retrieval costs.More items…
What is database and its advantages and disadvantages?
one of the disadvantages of dbms is Database systems require sophisticated hardware and software and highly skilled personnel. The cost of maintaining the hardware, software, and personnel required to operate and manage a database system can be substantial.
What are the roles of database?
The Key Responsibilities of a Database AdministratorSoftware installation and Maintenance. A DBA often collaborates on the initial installation and configuration of a new Oracle, SQL Server etc database. … Data Extraction, Transformation, and Loading. … Specialised Data Handling. … Database Backup and Recovery. … Security. … Authentication. … Capacity Planning. … Performance Monitoring.More items…
What are the 4 types of database?
Four types of database management systemshierarchical database systems.network database systems.object-oriented database systems.
What is database example?
A database is a data structure that stores organized information. Most databases contain multiple tables, which may each include several different fields. For example, a company database may include tables for products, employees, and financial records. … (See also “flat file database”).