What is database concept and definition?
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 is data architecture define the concepts of it?
In information technology, data architecture is composed of models, policies, rules or standards that govern which data is collected, and how it is stored, arranged, integrated, and put to use in data systems and in organizations.
What are the basic concepts of DBMS?
DBMS Concepts Software—A DBMS is a software-based system that provides a management interface, which helps users control databases and data sources. Data—DBMS provides controls for managing operational data, such as records and metadata, as well as index files, data dictionaries, and administrative information.
What is database concepts explain with example?
For example, in a database of students; A TABLE would store all the data on all the students. Several FIELDS would store the data (attributes) of the student such as Student ID, Forename, Surname etc. A KEY FIELD such as ‘StudentID’ can store a unique number to identify that student.
Why do we need database architecture?
Data architecture is important for many reasons, including that it: Helps you gain a better understanding of the data. Provides guidelines for managing data from initial capture in source systems to information consumption by business people. Provides a structure upon which to develop and implement data governance.
How many types of database architecture are there?
Database architecture can be seen as a single tier or multi-tier. But logically, database architecture is of two types like: 2-tier architecture and 3-tier architecture.
What are the elements of architecture?
If you want to become a building architect or a designer, you will learn the four basic elements of architecture and design: Point, Line, Plane and Volume. With these four elements, you actually can create any architecture or design.
What are the different types of database concepts?
What are the types of databases?
- Relational databases. Relational databases have been around since the 1970s.
- NoSQL databases.
- Cloud databases.
- Columnar databases.
- Wide column databases.
- Object-oriented databases.
- Key-value databases.
- Hierarchical databases.