How To Use DB Queries In Laravel

How To Use DB Queries In Laravel - Laravel is PHP Framework for Web Application. It is a Free -> Open Source PHP Framework. It's follow the Standard Coding way MVC (Models, Views, Controllers) Concept.
Model -> It mainly interact with the Database. Database Queries like Insert,Update,Select,Delete etc.
Controller -> It's responsible for Users Action and Buisness Logic of the application.
View -> It's most interacting part of the web application for Users.
Now DB Queries - How to use in Laravel code
1.Check the columns in the database table for particular table query is -- 
$columns = DB::select( DB::raw('SHOW COLUMNS FROM TABLE_NAME'));
2. If you want to modify your database table 
DB::statement('ALTER TABLE TABLE_NAME MODIFY COLUMN_NAME DATATYPE NOT NULL');
DB::statement('ALTER TABLE User MODIFY user_id INT(20) NOT NULL');
3. Get data for particular table form database 
DB::select('SELECT * FROM TABLE_NAME');
with where condition
DB::select('SELECT * FROM TABLE_NAME WHERE COLUMN_NAME = "Value" ');
Note: Use DB Class on the top of your class in Laravel

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