1600 PMP mock questions 1400 CAPM mock questions 800 SCJP 6 mock questions 600 OCAJP 7 mock questions 590 OCPJP 7 mock questions 556 SCWCD 5 mock questions 500 OCEJWCD 6 mock questions pdfDownload (java,struts, hibernet etc)

JDBC interview questions

  • Image upload from JSP to DataBase ? view answer
  • How to Upload Image into Data Base ? view answer
  • Q. What is Rowset ? CachedRowSet,JDBCRowSet and WebRowSet ? view answer
  • Q. What is Batch Updates Using Statements in JDBC ? view answer
  • Q.Handling Blob and CLOB data using JDBC ? Insert CLOB and Retrive CLOB , Convert into String ? view answer
  • Q. Calling Stored procedures with Callable Statement ? view answer
  • Q.What is JDBC ? Explain Types Of Drivers with Advantage and Disadvantage ? view answer
  • Q. How java retrive the result returns from stored procedure ? view answer
  • Q.How to retrive the results in java returned by refcursor in Stored procedure ? view answer
  • Q.Reading an Oracle ARRAY from a stored procedure as an out ? view answer
  • What is Metadata and why should I use it? view answer
  • How Class.forName() load the Driver and DriverManager.getConnection() return connection? view answer
  • What will Class.forName do while loading drivers? view answer
  • How to Determining If a Result Set Is Scrollable? view answer
  • How Getting the Number of Rows in a Table Using a Scrollable Result Set? view answer
  • What is Scrollable Result Set ? view answer
  • What does setAutoCommit do? view answer
  • What is the difference between TYPE_SCROLL_INSENSITIVE , and TYPE_SCROLL_SENSITIVE? view answer
  • How to Make Updates to Updatable Result Sets? view answer
  • How can you move the cursor in scrollable result sets? view answer
  • What are the different types of Statements with Example? view answer
  • How can you retrieve data from the ResultSet? view answer
  • How can you create JDBC statements and what are they? view answer
  • How can you make the connection? view answer
  • What will Class.forName do while loading drivers? view answer
  • How can you load the drivers? view answer
  • What is PreparedStatement ? view answer
  • what is rowset? and how does it differ from resultset ? view answer
  • How to find total column from a resultset? view answer
  • What is the fastest type of JDBC driver? view answer
  • What are the different JDB drivers available? view answer
  • Q.What are collection pools? What are the advantages? view answer
  • Q.What are different types of Transaction Isolation Levels? view answer
  • Q. What is Dirty read? view answer
  • Q.Difference between Statement , PreparedStatement and CallableStatement ? view answer
  • Q.What is the advantage of using PreparedStatement? view answer
  • Q.What is Single-Phase Commit ? view answer
  • Q.What is two-phase commit? view answer
  • Q. How JDBC work with REF CURSOR returned by stored procedure and retrive results? view answer
  • Q. How do i get result return from stored procedure in JDBC? view answer
  • Q.How do you call a Stored Procedure from JDBC? view answer
  • Q.How do you handle your own transaction ? view answer
  • Q.What are the steps in the JDBC connection? view answer

!!! JDBC interview questions !!!

How can you move the cursor in scrollable result sets?



One of the new features in the JDBC 2.0 API is the ability to move a result set?s cursor backward as well as forward. There are also methods that let you move the cursor to a particular row and check the position of the cursor.

Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY);
ResultSet srs = stmt.executeQuery(?SELECT COF_NAME, PRICE FROM COFFEES?);

The first argument is one of three constants added to the ResultSet API to indicate the type of a ResultSet object: TYPE_FORWARD_ONLY, TYPE_SCROLL_INSENSITIVE , and TYPE_SCROLL_SENSITIVE. The second argument is one of two ResultSet constants for specifying whether a result set is read-only or updatable: CONCUR_READ_ONLY and CONCUR_UPDATABLE. The point to remember here is that if you specify a type, you must also specify whether it is read-only or updatable. Also, you must specify the type first, and because both parameters are of type int , the compiler will not complain if you switch the order. Specifying the constant TYPE_FORWARD_ONLY creates a nonscrollable result set, that is, one in which the cursor moves only forward. If you do not specify any constants for the type and updatability of a ResultSet object, you will automatically get one that is TYPE_FORWARD_ONLY and CONCUR_READ_ONLY.

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