Getting Started with WebSphere Application Server

80 Getting Started with WebSphere Application Server Community Edition
physical name is the one used in Section 4.2.2.2. The mapping makes application
deployment flexible.
jdbc/DataSource
jdbc/demods
Listing 4.5 - Mapping the logical name to the physical name in geronimo-web.xml
d) Back to the JSP file, add some code to get a database connection and then
retrieve data from the database. This is shown in Listing 4.6. There are inline
comments to explain the code.
Connection con = null;
Statement stmt = null;
// Get a database connection
con = ds.getConnection();
// Prepare a statement object used to execute query
stmt = con.createStatement();
String sql = "SELECT empID, empName FROM employees " +
"WHERE XMLEXISTS('$i/employee[age > \"25\"]'" +
"PASSING empDOC AS \"i\")";
// Fill returned data into ResultSet object.
ResultSet rs = stmt.executeQuery(sql);
Listing 4.6 - Code snippet to get database connection and query data
e) After you retrieve data and store it in a ResultSet object, you need to present them
properly using HTML as shown in Listing 4.7.
Employees who are older than 25 years old are:
Employee ID
Employee Name