Core data updating records 75 2016 dating in greece
But for those who do not want to start from the very beginning, you can download this Xcode project to continue to work on the below tutorial.In the last tutorial, we already discussed how to fetch and save a managed object using Core Data API.Following the removal of the object from database, we also remove the record from the table view.Now, let’s run the app and try to remove a record from database.
However, for those with database background, you may want to know the exact SQLs executed behind the scene.
The context provides a method called “delete Object” that allows you to delete the specific object from database.
Lastly, we invoke the “save” method to commit the change.
However, we only showed you how to insert records into data store through Core Data API and left out the update & delete operations.
Note: If this is the first time you learn about Core Data, we recommend you to read the first tutorial.