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CTS JDBC Interview Questions

Questions Answers Views Company eMail

How to check null value in JDBC?

1 5507

What are statements in JAVA ?

1 4556

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 25154

What will happen when ResultSet is not closed?

1 7039

how many JDBC drivers ?name them?

6 12718

what happens if connection is not closed?

7 25224

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

9 19277

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CTS JDBC Interview Questions

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Un-Answered Questions

Is string immutable in c#?

1019

How to test java applications?

1059

What is WP13-WP15 MI with Synchronization?

1486

Why does the call char scanf work?

1219

How to read multi lines from a file in perl?

929

How many ways you can access file using VB?

1050

How can we call child component controller method from the parent component controller method? : salesforce lightning component

530

How are the polyclonal antibodies produced?

568

What are the benefits of Struts framework?

1011

Does windows 10 have office?

846

What’s powershell, and how do you feel about it?

1091

What a datastage macro?

1068

How will a user connect with a lightsail instance?

171

What do you mean by queries?

952

What are steps for DB Refresh?

1895