Data Storage
Computer data storage is a technology consisting of computer components and recording media that are used to retain digital data. It is a core function and fundamental component of computer systems. Users can save data onto a storage device. Computers can read input data from various sources as needed, and it can then create and save the output to the same or other storage locations. Users can also share data storage with others.
Big Data
Big data primarily refers to data sets that are too large or complex to be dealt with by traditional data management systems. It includes diverse collections of structured, unstructured and semi-structured data that continues to grow exponentially over time. Though used sometimes loosely partly due to a lack of formal definition, the best interpretation is that it is a large body of information that cannot be comprehended when used in small amounts only.
Databases
A database (DB) is a structured collection of data, which is stored and accessed electronically in a computer system. The data is typically organized in a specific way, such as by columns and rows in a table, and can be searched, sorted, and retrieved efficiently. A database is usually controlled by a database management system (DBMS). The DBMS manages dedicated files on the computer’s disk and presents a logical interface for users and applications. Together, the data and the DBMS, along with the applications that are associated with them, are referred to as a database system, often shortened to just a database.