Comprehensive Android Developer Bootcamp - CRUD - Delete a Contact

The video tutorial explains how to create a method for deleting a single contact from a database using SQL. It covers the implementation of the delete method, testing its functionality, and handling potential issues. The tutorial also demonstrates adding new contacts and previews the next video, which will focus on creating a method to get the count of items in the database.

What is the primary purpose of the method created in the first section?

• To update a contact

• To retrieve all contacts

• To delete a single contact

• To add a new contact

Which SQL operation is emphasized for deleting a contact?

• SELECT

• UPDATE

• INSERT

• DELETE

What should be passed to the delete method to identify the contact?

• Contact name

• Contact ID

• Contact email

• Contact object

What is checked in the logcat after running the deletion code?

• If the contact is deleted

• If the contact is added

• If the contact is updated

• If the database is connected

What issue arises if you try to access a deleted contact ID?

• The contact is updated

• The contact is duplicated

• An error occurs

• The contact is restored

What happens when a new contact is added after deletion?

• The database crashes

• The new contact gets a new ID

• The new contact takes the deleted contact's ID

• The deleted contact is restored

What is the purpose of the 'get count' method introduced in the last section?

• To count the number of tables

• To count the number of contacts

• To count the number of updates

• To count the number of databases