An query because his ideas are effective
Answer:
static data
Explanation:
static data doesn't change
Answer:
True.
Explanation:
The database can contain "bad data".
Bad Data is incorrect,incomplete,irrelevant or inaccurate records and the bad data can only be corrected or by data cleansing.
Data cleansing is deleting the bad data from the database.It is very important technique which is implemented by almost every one dealing with bad data.
Hence we conclude that the answer to this question is True.