Answer:
Explanation:
Duplicate tuples are not allowed in a relation because the specifications of the constraints of the regional integrity are violated, especially the main constraint that states that there can be no identical values for the attributes of two tuples at any database relation state.
Also, duplicate tuples are not allowed in a relation due to the fact that they lead to redundancy of the data base which in turn, slowing down the speed of the database when data processing such as inserting, querying, updating, deleting, etc are being performed.
Answer + Explanation:
You can tell Larry to set his device's location on 'enabled' at all times. That way, you get the time zone too. For example. if you live in the US, and your Location is not enabled, then the device may think that you are in China, or where the device was last at.
OK you don't be sad it is always free