What is the role of jdbc drivermanager class?

0 Answers  

---

What is meant by dao?

0 Answers  

---

Why do we use jdbc in java?

0 Answers  

---

What are the steps to connect to a database in java?

0 Answers  

---

What is a lock in jdbc?

0 Answers  

---

---

Explain the role of driver in jdbc.

0 Answers  

---

Write a program JDBCcode forfetching student database with SQL.

0 Answers  

---

How can we set null value in jdbc preparedstatement?

0 Answers  

---

What is in terms of jdbc a datasource?

0 Answers  

---

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"); } } }

6 Answers   CTS,

---

Does sql allow null values ?

0 Answers  

---

Are all the required JDBC drivers to establish connectivity to my database part of the JDK?

0 Answers  

---