What is JDBC servlet?

What is JDBC servlet?

Servlets are the Java programs that run on the Java-enabled web server or application server. They are used to handle the request obtained from the webserver, process the request, produce the response, then send a response back to the webserver.

What is difference between servlet and JDBC?

JDBC vs Servlet: JDBC is a Java API that is used to control and execute query to the database. 1. Servlets are a small program that executes on the server-side on the web application.

Which JDBC driver can be used in servlet?

Which JDBC driver Type(s) can be used in either applet or servlet code? Explanation: In a Type 3 driver, a three-tier approach is used to accessing databases.

What is JDBC servlet and JSP?

A servlet is a Java class that can be loaded dynamically into and run by special web server called the servlet container — most popular one is Tomcat. Servlets interact with clients via request-response model based on HTTP (HTTPS also supported).

What are servlets used for?

A servlet is a Java programming language class that is used to extend the capabilities of servers that host applications accessed by means of a request-response programming model. Although servlets can respond to any type of request, they are commonly used to extend the applications hosted by web servers.

Why JDBC is used in Java?

The JDBC API is a Java API that can access any kind of tabular data, especially data stored in a relational database. JDBC helps you to write Java applications that manage these three programming activities: Connect to a data source, like a database. Send queries and update statements to the database.

What is the lifecycle of a servlet?

There are three life cycle methods of a Servlet : init() service() destroy()

What is JDBC in JSP?

JDBC stands for Java Database Connectivity. JDBC is a Java API to connect and execute the query with the database. It is a part of JavaSE (Java Standard Edition). JDBC API uses JDBC drivers to connect with the database.

Is JSP and JDBC same?

JDBC has functions that helps Java to write basic SQL queries like Create, Update, Delete and some complex queries like JOINS too. JSP are the view part of the application. Its where the client side languages are written. And the page is written dynamically by the servlets.

Why are servlets used?

What are the advantages of servlets?

The advantages of Servlet are as follows: Better performance: because it creates a thread for each request, not process. Portability: because it uses Java language. Robust: JVM manages Servlets, so we don’t need to worry about the memory leak, garbage collection, etc.

What is servlet and its types?

There are two main types of Servlet. They are Generic and HTTP servlets. We can use the constructor method to initialize the Servlets with the help of init() and the destructor method to remove the servlet from the resources using destroy().

Why is servlet used?

What is the difference between servlet and Java?

A servlet is a Java class that is used to extend the capabilities of servers that host applications accessed by means of a request-response model. Servlets are mainly used to extend the applications hosted by web services….Difference between Servlet and JSP.