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SQL Anywhere 12.0.0 (Français) » SQL Anywhere Server - Programming » JDBC support » Using JDBC to access data


Returning result sets

This section describes how to make one or more result sets available from Java methods.

You must write a Java method that returns one or more result sets to the calling environment, and wrap this method in a SQL stored procedure. The following code fragment illustrates how multiple result sets can be returned to the calling SQL script. It uses three executeQuery statements to obtain three different result sets.

public static void Results( ResultSet[] rset )
       throws SQLException
    // Demonstrate returning multiple result sets

    Connection con = DriverManager.getConnection(
                    "jdbc:default:connection" );
    rset[0] = con.createStatement().executeQuery(
        "SELECT * FROM Employees" +
        "   ORDER BY EmployeeID" );
    rset[1] = con.createStatement().executeQuery(
        "SELECT * FROM Departments" +
        "   ORDER BY DepartmentID" );
    rset[2] = con.createStatement().executeQuery(
        "SELECT i.ID,i.LineID,i.ProductID,i.Quantity," +
        "       s.OrderDate,i.ShipDate," +
        "       s.Region,e.GivenName||' '||e.Surname" +
        "   FROM SalesOrderItems AS i" +
        "   JOIN SalesOrders AS s" +
        "   JOIN Employees AS e" +
        "   WHERE s.ID=i.ID" +
        "        AND s.SalesRepresentative=e.EmployeeID" );
Source code available

This code fragment is part of the JDBCExample Java file included in the samples-dir\SQLAnywhere\JDBC directory.

 Run the JDBC result set example