THE DATABASE APPROACH
THE DATABASE APPROACH A database is a collection of logically related data. It provides a centralized collection of data. A database has a self-describing in nature. It contains not only the data but also the complete definition of the database structure and constraints, which are stored in a system catalog. A DBMS manages this data. It allows data sharing …
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TRADITIONAL FILE ORIENTED APPROACH
TRADITIONAL FILE-ORIENTED APPROACH File A file is a collection of records, which are related to each other. The file size is limited by the size of memory and storage medium. There are two important features of file: 1. File Activity 2. File Volatility File activity defines the percent of actual records which proceed in a single run. File volatility de…
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Data Processing
Data processing Processing is to transform data into information. Data processing is the act of handling or manipulating data. In this process facts and figures are collected, assigned meaning, communicated to others and retained for future use. It is a series of actions or operations that converts data into useful information. Data Processing Activities Va…
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Introduction of DBMS
Introduction of DBMS Databases and database systems are an essential part of our everyday life for example:- deposit and/or withdrawal money from a bank, hotel/ airline or railway reservation, computerized library, purchase items from supermarkets, etc. we can store and access information by textual, numeric, audio, and multimedia formats from the database…
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PHP Functions
PHP Functions A function is a code or statement block in a program. Perform some specific tasks. Used repeatedly in a program. Not execute automatically when a page loads. Executed by a call to the function. The name must start with a letter or an underscore, and NOT case-sensitive. Take information’s as a parameter, executes a block of statements, or perf…
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