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// handle the exception } finally { // close database/JDBC resources such as // ResultSet(s), Statement(s), and Connection(s) } The complete solution is as follows. You should note that, for the MySQL database, if a column is an AUTO_INCREMENT, you do not need to pass any value at all (this is different for Oracle). import java.util.*; import java.io.*; import java.sql.*; import jcb.db.VeryBasicConnectionManager; import jcb.util.DatabaseUtil; public class DemoGetGeneratedKeys { public static void main(String[] args) { ResultSet rs = null; Statement stmt = null; Connection conn = null; try { System.out.println("--DemoGetGeneratedKeys begin--"); String dbVendor = args[0]; // database vendor conn = VeryBasicConnectionManager.getConnection(dbVendor); System.out.println("conn="+conn); // create a statement stmt = conn.createStatement(); // insert a record into the animals_table // note that the SQL INSERT is different for each vendor String insert = null; if (dbVendor.equalsIgnoreCase("mysql")) { insert = "insert into animals_table(name) "+ "values('tiger11')"; } else if (dbVendor.equalsIgnoreCase("oracle")) { insert = "insert into animals_table(id, name) "+ "values(ANIMAL_ID_SEQ.nextval, 'tiger11')"; } stmt.executeUpdate(insert); // insert the record

The contents of the paragraph element are accessed and with the help of the html() method, and its HTML code is displayed. The html() method gets the HTML content of the first element of the selected elements. It returns the HTML contents in the form of a string. The difference between html() and text() is that the text() method can be used in XML as well as in HTML documents, whereas html() can

if (dbVendor.equalsIgnoreCase("mysql")) { rs = stmt.getGeneratedKeys(); } else if (dbVendor.equalsIgnoreCase("oracle")) { rs = stmt.executeQuery("select ANIMAL_ID_SEQ.currval from dual"); } while (rs.next()) { ResultSetMetaData rsMetaData = rs.getMetaData(); int columnCount = rsMetaData.getColumnCount(); for (int i = 1; i <= columnCount; i++) { String key = rs.getString(i);

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SQL> select * from employees; ID NAME AGE ---------- -------------------- ---------11 Alex Smith 25 22 Don Knuth 65 33 Mary Kent 35 44 Monica Seles 30 99 Alex Edison 80 100 Al Sumner 70 105 Al Sumner 90 7 rows selected. SQL> CREATE OR REPLACE FUNCTION getEmployeesCount RETURN INTEGER IS 2 empCount INTEGER; 3 BEGIN 4 SELECT count(*) INTO empCount FROM employees; 5 RETURN empCount; 6 END getEmployeesCount; 7 / Function created. SQL> var myCount number; SQL> exec :myCount := getEmployeesCount; PL/SQL procedure successfully completed. SQL> print myCount; MYCOUNT ---------7 SQL> create procedure raiseAge(id_Param number, increment_Param number) is 2 cursor empCursor (myid number) is 3 select id from EMPLOYEES where id = myid 4 for update of age; 5 6 emp_id number(8); 7 begin 8 open empCursor(id_Param); 9 loop 10 fetch empCursor into emp_id; 11 exit when empCursor%NOTFOUND; 12 update EMPLOYEES set age = age + increment_Param 13 where current of empCursor; 14 end loop;

System.out.println("key " + i + " is " + key); } } System.out.println("--DemoGetGeneratedKeys end--"); } catch(Exception e){ e.printStackTrace(); System.exit(1); } finally { // release database resources DatabaseUtil.close(rs); DatabaseUtil.close(stmt); DatabaseUtil.close(conn); } } }

If you want to load data from the server using a GET HTTP request, you have two options: either set the value of the type key to GET in the ajax() method (or don t define this key at all as the default request method is GET) or use the $.get() method. Let s try each option in turn now, the first by setting type key to GET: $(document).ready(function() { $('#submit').click(function () { var name = $('.uname').val(); var data = 'uname=' + name; $.ajax({ type:"GET", url:"welcome.php", data: data, success: function (html) { $('#message').html(html); } }); return false; }); }); We can see that except for the type key, there is no other modification in the JavaScript file. This type key helps when you want to load the data from the server using the GET HTTP request. To make the script on the server retrieve data from the $_GET array, we need to make following alterations in the welcome.php file: < php $name = $_GET['uname']; echo "Welcome ". $name; > You can see that instead of the $_POST array, the data will be retrieved from the $_GET array. Let s use the $.get() method now for using GET HTTP request. This method invokes the GET request to the server to fetch data. It executes the script whose URL is specified, along with the parameters passed (if any): $.get(url, parameters, callback)

This shows the MySQL database before running the solution: mysql> select * from animals_table; +----+--------+ | id | name | +----+--------+ | 1 | dog | | 2 | cat | | 3 | rabbit | +----+--------+ 3 rows in set (0.00 sec)

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