5 Computer -- Web Technology - II (CSS, Javascript, PHP)

Define SQL. Write down the SQL queries to create a database, create a table in the database, insert data in the table and query the data to display it.

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Explain different JavaScript objects.

Define form validation. Write example of basic form validation.

Form validation is the process of checking that the data entered into a form meets certain requirements and is in the correct format. It is done to ensure the accuracy and security of the data, and to prevent errors and security vulnerabilities.

Example: validate name,email password, confirm password using onclick(0 & onsubmit() file handling function

Form validation using onclick() file handling event

<html>

<head>

<title>form validation</title>

...

Define JavaScript. Write its features.

Write methods of adding JavaScript in HTML document with examples.

What is Web technology? Explain client and server-side scripting language.

Write a PHP script to connect the MYSQL database and demonstrate data insertion in table named product having field id, product_name, price, expire_date, company name.

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