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CTS JDBC Interview Questions
Questions Answers Views Company eMail

How to check null value in JDBC?

 1 4374

What are statements in JAVA ?

 1 3697

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 22944

What will happen when ResultSet is not closed?

 1 6261

how many JDBC drivers ?name them?

 6 10599

what happens if connection is not closed?

 7 22779

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

 9 16362

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Un-Answered Questions

What is spinwait?

460

What is Capture-based aquaculture ?

1912

What is template reference variable in angular?

389

Can you share the names of platforms are that are actively developing blockchain apps?

1

Why is rest more popular than soap?

492




Explain how do you overwrite replication factor?

236

When should we use a java applet instead of ajax?

598

why we not used 11kva as a direct our electrnics component.

2333

i have one file i saved in csv how can i take these file into framework manager

1528

What is regularization in machine learning?

84

Explain what is the difference between inductive machine learning and deductive machine learning?

43

Quartus II software version 6.0 is available for which operating systems (OS)?

1909

Is database a hardware or software?

536

List some control transfer statements used in swift?

476

What is a background processing batch scheduler?

672