Chapter 2. Working with Text and Numbers

  Data Types Data Types defines the type of data a variable can store. PHP allows eight different types of data types. String :- A string is a sequence of characters, like “Hello world!”. Integer :- An integer data type is a non-decimal number between -2,147,483,648 and 2,147,483,647. Float (floating point numbers – also called […]

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Unit 1: Orientation and First Steps

Definition :- PHP stands for PHP: Hypertext Preprocessor . PHP is a server-side scripting language, like ASP . PHP scripts are executed on the server . PHP supports many databases (MySQL, Informix, Oracle, Sybase, Solid, PostgreSQL, Generic ODBC, etc.) PHP is an open source software . PHP is free to download and use. 1.1 PHP’s […]

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Introduction to DBMS

Basics Introduction DBMS stands for Database Management System. We can break it like this DBMS = Database + Management System. Database is a collection of data and Management System is a set of programs to store and retrieve those data. Based on this we can define DBMS like this: DBMS is a collection of inter-related data and set of […]

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