YOU HAVE A VERY LARGE TABLE NAMED PHONESURVEY. THE TABLE CONTAINS A...

3. You have a very large table named PhoneSurvey. The table contains a Question column and an Answer column, both of type char(1000). Many questions are similar or the same. Many answers are very similar. Many questions re-phrase the answers. Additionally, many values in the answer column are null. The table resides on a high-performance system, and you are not concerned about query performance. What is the best way to reduce the size of this table as much as possible (choose all that apply)?A. ALTER TABLE PhoneSurvey REBUILD WITH DATA_COMPRESSION = ROWB. ALTER TABLE PhoneSurvey ALTER COLUMN Answer ADD SPARSEC. ALTER TABLE PhoneSurvey ALTER COLUMN Question ADD SPARSED. ALTER TABLE PhoneSurvey REBUILD WITH DATA_COMPRESSION = PAGE