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Part 2 Hibernate Query Language, Executing HQL Commands

Let us see, how to execute HQL commands..

Procedure To Execute HQL Command:

  • If we want to execute execute an HQL query on a database, we need to create a query object
  • Query ” is an interface given in org.hibernate package
  • In order to get query object, we need to call createQuery() method in the session Interface
  • Query is an interface, QueryImpl is the implemented class
  • we need to call list method for executing an HQL command on database, it returns java.util.List
  • we need to use java.util.Iterator for iterating the List collection

Syntax:

Notes:

  • line 1: Getting the Query object
  • line 2: Executing the object content (which is HQL command)
  • line 3: Iterating, then while loop and type cast into our class type that’s it

Next Session HQL part 3

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Comments

4 Responses to “Part 2 Hibernate Query Language, Executing HQL Commands”
  1. Neeraj says:

    Full marks to you ..awsome tutorials and wonderful concepts..but please correct the definition of composite key because it can confuse a fresher.

    Cheers!!! Neeraj :)

  2. Swamy says:

    Mr Siva and Team,

    This is Excellent tutorials…..It`s Easy for learning.
    It would be much appreciated if included annotation examples also for all topics.
    As most of the projects using annotations only.

    Thanks…. :-)
    Swamy Nadhan G

  3. vamsi says:

    This is Excellent Tutorials Super Sir

  4. siddu says:

    Mr Siva and Team,

    It would be much better if included examples with jsp

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