I have the choice of manipulating database data using a byte[] or a java.sql.blob. Which has best performance?
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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"); } } }
Discuss the significances of jdbc.
What is transaction processing in jdbc?
What are the differences between statement and preparedstatement interface?
Explain about the Try Block?
How many types of statements are there in jdbc?
How do you determine the sensitivity of the ResultSet object?
Name different methods for getting streams.
What is phantom read and which isolation level prevents it?
What is the significance of DataBaseMetaData.tableIndexStatistics? How to obtain and use it?
what are the advantages of JDBC?
what are the Different types of exceptions in JDBC?