How many ways that we can view a result set?
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What is jdbc servlet?
What are the advantages of collection pools?
Which is best database for java?
How to insert and delete a row programmatically? (new feature in JDBC 2.0)
password, is stored in as plain text. What can I do to protect my passwords?
Briefly tell about the jdbc architecture.
What are the methods which can verify the cursor particular position?
What is benefit of using preparedstatement in java?
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"); } } }
Define preparedstatement.
What are the differences between execute, executequery, and executeupdate?
What is de-normalization?