What is the recommended use of BaseColumns._ID in SQLite database?
A) It should always be used to maintain unique ID.
B) It should be used to include unique ID when content provider is being used.
C) It is deprecated now.
D) All are correct.

Question

Quizplus · Accepted Answer

BaseColumns._ID is used in SQLite database to maintain a unique ID for each row. When using a content provider, it is recommended to include BaseColumns._ID in the projection when querying the database. This ensures that each row has a unique ID which is useful for updates and deletes. Option A is incorrect because there may be cases where a database does not require a unique ID. Option C is incorrect because BaseColumns._ID is not deprecated. Option D is incorrect because option A is not always correct.

What Is the Recommended Use of BaseColumns