Data,information and database
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Data refers to raw inputs that become meaningful when processed or organized into information. A database is a collection of organized data that meets users' needs. A database management system is a set of programs that allows users to store, modify, and extract information from a database. Examples of databases include computerized library systems, ATMs, flight reservation systems, and computerized parts inventory systems. Queries are used to request specific information from a database in the form of stylized questions.
Data,information and database
- 1. Subject: Database Management System Subject Teacher: Mr. Munna Pandey Made by: Rahul Sharma Data, Information & Database
- 2. What is Data? Data refers to the lowest abstract or a raw input which when processed or arranged makes meaningful output. It is the group or chunks which represent quantitative and qualitative attributes pertaining to variables. Examples :of data can be facts, analysis, or statistics. In computer terms, symbols, characters, images, or numbers are data. These are the inputs for the system to give a meaningful interpretation. In other words, data in a meaningful form is information.
- 3. Information The raw input is data and it has no significance when it exists in that form. When data is collated or organized into something meaningful, it gains significance. This meaningful organization is information. Information is usually the processed outcome of data. More specifically speaking, it is derived from data. Information can be explained as any kind of understanding or knowledge that can be exchanged with people. It can be about facts, things, concepts, or anything relevant to the topic concerned.
- 4. What is database? A collection of data organized to meet user’s needs. A group of programs that manipulate the database and provide an interface between the database and the user of the database or other application programs is known as Database Management System. A collection of programs that enables you to store, modify, and extract information from a database. There are many different types of DBMSs, ranging from small systems that run on personal computers to huge systems that run on mainframes. The following are examples of database applications: computerized library systems automated teller machines flight reservation systems computerized parts inventory systems
- 5. Continued….. Requests for information from a database are made in the form of a query, which is a stylized question. For example, the query SELECT ALL WHERE NAME = "SMITH" AND AGE > 35 requests all records in which the NAME field is SMITH and the AGE field is greater than 35.
- 6. Thank ew…..