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CTS JDBC Interview Questions
Questions Answers Views Company eMail

How to check null value in JDBC?

1 3224

What are statements in JAVA ?

1 2799

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 18461

What will happen when ResultSet is not closed?

1 5235

how many JDBC drivers ?name them?

6 7813





what happens if connection is not closed?

7 19075

How to create Connection interface object because it is Interface , Interface is not instansiated?

9 12253

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CTS JDBC Interview Questions





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Write a query to insert a new column(new_col int) into a hiev table (htab) at a position before an existing column (x_col)

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What is a Database system?

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how will you find the total disk space used by a specific user?

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What happens if an expected input field was not submitted?

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How does fertilizers can be made?

799


In my portal ABAP + JAVA I get a bootstrap error message how do I resolve this erroe

3414