Why SAP XI ?
SAP Exchange Infrastructure (SAP XI) enables you to implement cross-system processes. It enables you to connect systems from different vendors (non-SAP and SAP)... Read more »
Archive for October, 2006
Why is XI called as “Integration Broker” ?
SAP calls XI an integration broker because it mediates between entities with varying requirements in terms of connectivity, format, and protocols. According to SAP,... Read more »
What is SAP XI ?
SAP Exchange Infrastructure (SAP XI) is SAP’s enterprise application integration (EAI) software, a component of the NetWeaver product group used to facilitate... Read more »
How do I find whether a parameter exists in the request object?
boolean hasFoo = !(request.getParameter(”foo”) == null || request.getParameter(”foo”).equals(”")); or boolean hasParameter = request.getParameterMap().contains(theParameter);... Read more »
What is the difference between RequestDispatcher and sendRedirect?
RequestDispatcher: server-side redirect with request and response objects. sendRedirect : Client-side redirect with new request and response objects. Read more »
What is the difference between directive include and jsp include?
: Used to include static resources during translation time. JSP include: Used to include dynamic content or static content during runtime. Read more »
What is the difference in using request.getRequestDispatcher() and context.getRequestDispatcher()?
request.getRequestDispatcher(path): In order to create it we need to give the relative path of the resource, context.getRequestDispatcher(path): In order to create... Read more »
What is the difference between ServletContext and PageContext?
ServletContext: Gives the information about the container. PageContext: Gives the information about the Request Read more »
How many types of JDBC Drivers are present and what are they?
There are 4 types of JDBC Drivers JDBC-ODBC Bridge Driver Native API Partly Java Driver Network protocol Driver JDBC Net pure Java Driver Read more »
What is the query used to display all tables names in SQL Server (Query analyzer)?
select * from information_schema.tables Read more »
How do you call a stored procedure from JDBC?
The first step is to create a CallableStatement object. As with Statement an and PreparedStatement objects, this is done with an open onnection object. A CallableStatement... Read more »
How can you use PreparedStatement?
This special type of statement is derived from class Statement.If you need a Statement object to execute many times, it will normally make sense to use a PreparedStatement... Read more »
What are the different types of Statements?
Regular statement (use createStatement method), prepared statement (use prepareStatement method) and callable statement (use prepareCall) Read more »
How can you retrieve data from the ResultSet?
JDBC returns results in a ResultSet object, so we need to declare an instance of the class ResultSet to hold our results. The following code demonstrates declaring... Read more »
How can you create JDBC statements and what are they?
A Statement object is what sends your SQL statement to the DBMS. You simply create a Statement object and then execute it, supplying the appropriate execute method... Read more »