How to achieve JDBC Connection Pooling using JDBC DataSource and JNDI in Apache Tomcat Server?
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What are the jdbc statements?
What does Class.forName return?
What is the role of the jdbc drivermanager class?
What are the three parts of a jdbc url?
What is JDBC PreparedStatement?
What is the JDBC?
How many types of jdbc drivers are available?
Difference between JDBC and Hibernate? Give one sample based on the variance?
java.lang.ClassNotFoundException:oracle.jdbc.driver.OracleDr iver? I get this error at run time.I used oracle10G. I set CLASS PATH:C:\oraclexe\app\oracle\product\10.2.0 \server\jdbc\lib\ojdbc14.jar; I write JDBC PROGRAM like import java.sql.*; class Example { public static void main(String args[]) { try { Class.forName ("oracle.jdbc.driver.OracleDriver"); System.out.println("Driver Loaded"); Connection con=DriverManager.getConnection ("jdbc:oracle:thin:@localhost:1521:xe","system","salmas"); System.out.println("Driver Connected"); Statement st=con.createStatement(); ResultSet rs=st.executeQuery("select * from emp"); while(rs.next()) { System.out.println(rs.getInt(1)); System.out.println(rs.getString(2)); System.out.println(rs.getString(3)); } st.close(); con.close(); } catch(Exception e) { System.out.println(e); } finally { System.out.println("it's finally block executed"); } } }
Is it possible to connect to multiple databases? Using single statement can we update or extract data from two or three or many databases?
How to make updates to updatable result sets in jdbc?
What are the utilities of the callablestatement?