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JAVA TUTORIAL

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JSP TUTORIAL

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INTRODUCTION OF JSP: 1.What is jsp. 2.How jsp works in Servlet. 3.JSP VS Servlet. 4.JSP life Cycle. What is jsp: JSP ( Java Server Page) is a server side technology used to create dynamic , paltform-indepentent web application using java. When jsp page requested by User, it is complied into a servlet by the server and the server handle the request. How jsp Works (behind the scenes): A (.jsp) file is requested by a user.. The JSP Engine on the server converts it into the Servlet.   The servlet is complied and executed. The Response (HTML) is send back to the browser. JSP VS Servlet: JSP life Cycle: LINK : https://data-flair.training/blogs/jsp-life-cycle/ DIFFERENCE BETWEEN A WEBSERVER ,WEB CONTAINER AND AN APPLICATION SERVER: WEB SERVER:   It is receives  HTTP request , intercepts it. It also processes the HTTP response to the web browser of the client. EX: Apache Web server. WEB CONTAINER : A web container is J2EE compliant implementation.Its mains the job is run the ru...
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ORACLE DBA

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DAY:1 Database in collect the information in note pad ,txt ,excl etc..  Database is stored in RAM,CPU etc.. Database is collect the date for names, salaries, information, pictures, videos and anything store in database. A Database is, basically , a place that we store an organized collection of data. store, access, manipulate, retrieve. DBMS: This DBMS type is hierarchical, network, relational, object-relational DBMS. ORACLE DATABASE: Oracle database is very secured, performance, scalability,powerful coding and support a company. DAY:2 Table is used employee date store the union of all these horizontal cell is called as a record or a row. The table stored the data such that employees ID, Name, salary, phone number, department etc.. Tabular form like in job interviews or exams,etc..  RELATION DATABASE: If you create two table employees and department table. To  the employees related  the department table its relational data base. Relational databas...
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