Why do we need jdbc api?
write a query to select name from one table which has id,name and salary from another table which has id, sal where the salary is the second maximum
3 Answers Bosch, HireCraft, Infosys,
Define preparedstatement.
How can we maintain the integrity of a database by using jdbc?
What are the differences between statement and preparedstatement interface?
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"); } } }
I have the choice of manipulating database data using a byte[] or a java.sql.blob. Which has best performance?
What is static Synchronized method in JDBC API? Give an example?
3 Answers 3 Edge Solutions, R Systems, Sirvisetti Global Services,
preparedstatement p= new preparedstatement is it possible ?
10 Answers Fidelity, IBM, Infrasys,
What is the reason why we need a jdbcrowset like the wrapper around resultset?
What is metadata in java programming?
What is the limitation of PreparedStatement and how to overcome it?
How to create Connection interface object because it is Interface , Interface is not instansiated?