Answer / guest

in data base it will take NULL and - also.
in java it will take null.in both cases it's meaning is
nothing.

What is a JDBC 2.0 DataSource?

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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"); } } }

6 Answers   CTS,

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Name the types of jdbc drivers.

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What is metadata in programming?

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What is jdbc odbc connection?

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What are static and dynamic queries?

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What is de-normalization?

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What are the sailent features of JDBC 2.0?

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How many types of resultset are there in jdbc?

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If iam using JDBC API, do I also have to use ODBC?

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What is xe in oracle jdbc url?

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How to insert an image or raw data into database?

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