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Write a program using entity bean to insert update and delete

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For your sample program today, you will use and modify the restaurant application that you have built over the past few days. Yesterday, you used CMP to build the entity bean. Take a look at Listing The ejbCreate method takes different parameters, such as itemId , temperature , description , and so on.
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Code First Insert, Update, and Delete Stored Procedures

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Spring MVC + Spring Data JPA CRUD Example

Learn how to delete records from the database using Entity Framework. Alternatively, you can also set the entity state as Deleted. We can delete records either in connected or disconnected Scenarios. We will also look at how to remove multiple records from the database using the RemoveRange method. Source Code: The source code of this project available in GitHub. How you delete the entity depends on whether you are deleting the record in Connected or Disconnected scenario. In Disconnected Scenario, you can attach it to the context and set its state as Deleted.
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Deleting Records in Entity Framework

Support documentation is available at OData. Net , and the OData V4 service libraries are available at Microsoft. Like WCF Data Services before it, Restier provides simple and straightforward ways to shape queries and intercept submissions before and after they hit the database. With the WCF Data Services client libraries, you can create, update, and delete entity data in a data service by performing equivalent actions on objects in the DataServiceContext. For more information, see Updating the Data Service.
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In this JPA executeUpdate example , we will learn to use update query in jpa repository created using createNativeQuery method of the EntityManager interface. Here we pass in the update query string to be executed in underlying database and the entity type that will be returned as result. This annotation may be placed on any entity and defines the name of the query as well as the query text. Like JPQL named queries, the name of the query must be unique within the persistence unit. Here we have defined one named native query updateEmployeeName.
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