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CTS JDBC Interview Questions

Questions Answers Views Company eMail

How to check null value in JDBC?

1 5380

What are statements in JAVA ?

1 4467

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 24873

What will happen when ResultSet is not closed?

1 6932

how many JDBC drivers ?name them?

6 12489

what happens if connection is not closed?

7 24859

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

9 18891

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Un-Answered Questions

Tell me about a time when you were unable to complete a project on time.

1345

How to play a movie clip?

815

c program which behaves like a shell(command interpreter). it has its own prompt say "NewShell$".any normal shell command is executed from your shell by starting a child process to execute a system program corrosponding to the command

5335

What is merge command in unix?

1447

What are the scrubbing procedures in sas?

949

What is difference between var x =1; and x=1;?

1051

How R Commands are Written?

Knox and Hadoop Development Tools?

879

What is the provider being used to access oracle database?

939

how to update the tdp oracle node password?

913

On which tabs can I create multiple record types?

480

What are advantages of laravel?

706

What is an assistance class and how is it instantiated in webdynpro?

352

What is custom tag in java?

857

What options are available to audit login activity? : sql server security

1095