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CTS JDBC Interview Questions

Questions Answers Views Company eMail

How to check null value in JDBC?

1 5585

What are statements in JAVA ?

1 4635

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 25306

What will happen when ResultSet is not closed?

1 7110

how many JDBC drivers ?name them?

6 12881

what happens if connection is not closed?

7 25436

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

9 19518

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Un-Answered Questions

What is shear stress?

why we use 19x9x9and 20x10x10 but not other

2204

What is the dos command to open a file?

596

I have a few records just I want to store data in to targets cycling way how?

2414

Can excel be a database?

810

How many constructor can a class have?

1053

Tell me how we can manage the user login sessions in maximo?

294

What are two command-line utilities that can be used to check tcp/ip configurations and ip connectivity, respectively?

430

Is it possible to initialize a variable at the time it was declared?

1258

a) we have 30nos., 300mm dia, 4m length double under reamed piles.calculate excavation quantity.b) tell concrete qty. also.

13485

hi Friends ,willany body tell me what is the Scope for the automation Testing inht Future is their Or not And what is the Top Most Level in the testing section according the Pay scale

2105

What is the difference between atomic and nonatomic properties?

914

Does magento charge transaction fees?

Can excel open xml files?

909

Why does the sockets buffer fill up sooner than expected?

1388