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STRUCTURED QUERY LANGUAGE(SQL)

STRUCTURED QUERY LANGUAGE(SQL) Created by: B Mokshagna Reddy (BMR) SQL DATA DEFINITION AND DATATYPES SQL Schema: An SQL schema is identified by a schema name and includes an authorization identifier name to indicate user or account who owns the schema, as well as descriptor for each elements in the schema. Schema creation with authorization: CREATE SCHEMA DATABASE_NAME AUTHORIZATION IDENTIFIER; Eg: CREATE SCHEMA COMPANY AUTHORIZATION ‘JSMITH’; Catalog: Named collection of schemas. Data Definition, Constraints, and Schema Changes Used to CREATE, DROP, and ALTER the descriptions of the tables (relations) of a database Creating a Database Syntax: CREATE DATABASE database_name; Creating a Table Syntax CREATE TABLE table_name (Column_name datatype[(size)], Column_name datatype[(size)], ); Specifies a new base relation by giving it a name, and specifying each of...
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HTML ATTRIBUTES

HTML ATTRIBUTES Created by: B Mokshagna Reddy (BMR) ➢All HTML elements can have attributes. ➢Attributes provide additional information about elements. ➢Attributes are always specified in the start tag. ➢Attributes usually come in name/value pairs like: name="value" The href Attribute ➢The <a> or anchor tag defines a hyperlink. The href attribute specifies the URL of the page the link goes to: Example <a href="www.bmreducation.com">This is a Link</a> Result This is a Link The src Attribute ➢The <img> tag is used to embed an image in an HTML page. The <src> attribute specifies the path to the image to be displayed. Example <img src="BMR_OFFICIAL.gif"> Result The width and height Attribute ➢The <img> tag should also contain the <height> and <width> attributes, which specify the width and height of th...
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HTML QUOTATIONS

HTML QUOTATIONS Created by: B Mokshagna Reddy (BMR) HTML Quotations ➢It Contains <blockquote>,<q>, <abbr>, <address>, <cite>, and <bdo> HTML elements. HTML <blockquote> for Quotations ➢The HTML <blockquote> element defines a section that is quoted from another source. Example <p>ABOUT US</p> <blockquote> We believe Education is everything wheather it is studies, sports, art, everything that starts from scratch to learn and become a successfull person in your life. This website contains all the information to study, read and gain the knowledge. We bought Education Sector to get all the books in each class. And then we bought Coding as it is the major area which everyone should learn and can invent new things. Finally we bought Reference sector to refer books in varous regions Eg: In Comptatative exams, in Animals, In General around the world. We try...
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HTML ELEMENTS

HTML ELEMENTS Created by: B Mokshagna Reddy (BMR) ➢An HTML element is defined by a start tag, some content, and an end tag. ➢The HTML element is everything from the start tag to the end tag. Start tag Element Content Eng tag <h1> Headings </h1> <p> Paragraphs </p> <br> none none Nested HTML Elements ➢HTML elements can be nested (this means that elements can contain other elements). ➢All HTML documents consist of nested HTML elements. The following example contains four HTML elements (<html>, <body>, <h1> and <p>): Example <!DOCTYPE html> <html> <body> <h1>Heading</h1> <p>Paragraph</p> </body> </html> Result ...
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HTML BASIC TAGS

HTML BASIC TAGS Created by: B Mokshagna Reddy (BMR) ➢All HTML documents must start with a document type declaration: <!DOCTYPE html>. ➢The HTML document itself begins with <html> and ends with </html>. ➢The visible part of the HTML document is between <body> and </body>. HTML Headings ➢HTML headings are defined with the <h1> to <h6> tags. ➢<h1> defines the most important heading. <h6> defines the least important heading: ➢Font-size decreases from <h1> to <h6> Example <h1>Heading 1</h1> <h2>Heading 2</h2> <h3>Heading 3</h3> <h4>Heading 4</h4> <h5>Heading 5</h5> <h6>Heading 6</h6> Result Heading 1 Heading 2 Heading 3 Heading 4 Heading 5 Heading 6 HTML Paragraphs ➢HTML paragraphs are defined with the ...
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C INTRODUCTION

C INTRODUCTION Created by: B Mokshagna Reddy (BMR) INTRODUCTION ➢C is a general-purpose programming language, developed in 1972, and still quite popular. ➢By design, C's features cleanly reflect the capabilities of the targeted CPUs. ➢C is very powerful; it has been used to develop operating systems, databases, applications, etc. ➢C is strongly associated with UNIX, as it was developed to write the UNIX operating system. Learning C IS BEST ➢It is one of the most popular programming language in the world ➢If you know C, you will have no problem learning other popular programming languages such as Java, Python, C++, C#, etc, as the syntax is similar ➢C is very fast, compared to other programming languages, like Java and Python ➢C is very versatile; it can be used in both applications and technologies START LEARNING C ➢To start using C, you need two things: 1. A text editor, like Notepad, to write C code 2...
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PYTHON INTRODUCTION

PYTHON INTRODUCTION Created by: B Mokshagna Reddy (BMR) INTRODUCTION ➢Created by Guido Van Rossum. ➢First released in 1991. ➢Supports object-oriented Programming with classes and multiple inheritance. ➢Comes with large standard library. ➢Includes an IDLE. ➢Runs on Mac OS X, Windows, Linux as Freeware. FEATURES Easy to Use: Python is very easy to use and high level language. Thus it is programmer-friendly language. Expressive Language: Python language is more expressive. The sense of expressive is the code is easily understandable. Interpreted Language: Python is an interpreted language i.e., interpreter executes the code line by line at a time. This makes debugging easy and thus suitale for beginners. Cross-platform language: Python can run equally on different platforms such as Windows, Linux, Unix, Macintosh etc. Thus, Python is a portable language. Free and open source: Python language is freely ...
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CSS INTRODUCTION

CSS INTRODUCTION Created by: B Mokshagna Reddy (BMR) INTRODUCTION ➢CSS is the language we use to style a Web page. ➢CSS stands for Cascading Style Sheets. ➢CSS is a cornerstone technology of the World Wide Web, alongside HTML and JavaScript. ➢CSS describes how HTML elements are to be displayed on screen, paper, or in other media. ➢CSS saves a lot of work. It can control the layout of multiple web pages all at once. ➢External stylesheets are stored in CSS files. ➢CSS describes how HTML elements should be displayed. ➢Having no CSS is like living a faded life. No excitement, no moods, no emotions, just a straight-up structure with some content in it. Types in CSS CSS can be added to HTML documents in 3 ways: ➢Inline - by using the style attribute inside HTML elements. ➢Internal - by using a <style> element in the <head$gt; section. ➢External - by using a <link> element to link to ...
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HTML INTRODUCTION

HTML INTRODUCTION Created by: B Mokshagna Reddy (BMR) INTRODUCTION ➢HTML stands for Hyper Text Markup Language. ➢HTML is the standard markup language for creating Web pages. ➢HTML describes the structure of a Web page. ➢HTML consists of a series of elements. ➢HTML elements tell the browser how to display the content. ➢HTML elements label pieces of content such as "this is a heading", "this is a paragraph", "this is a link", etc. Web or Internet? ➢It is important to understand that the Internet and the Web is not the same thing. ➢The Internet is a collection of computers and other devices connected by equipment that allows them to communicate with each other. ➢The Web is a collection of software and protocols that has been installed on most, if not all, of the computers on the Internet. The World Wide Web ➢Tim Berners Lee and his group proposed a new protocol for the Inter...
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