What is benefit of using preparedstatement in java?

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Explain the difference between inner and outer join ?

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What causes no suitable driver error?

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What are the advantages of collection pools?

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What are the 4 types of jdbc drivers?

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What are types of resultset?

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Difference between Generic Servlet and HTTP Servlet?

13 Answers  

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Does the JDBC-ODBC Bridge work with Microsoft J++?

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How can we retrieve data from the resultset?

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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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What are 4 drivers available in JDBC? At what situation are four of the drivers used?

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What are the different types of 2 tier and 3 tier architecture ?

2 Answers   Honeywell,

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