Q,Which statement about rebuilding indexes is true?
A. The NOSORT option must be used.
B. The new index is built using the table as the data source
C. A reverse b-tree index can be converted to a normal index.
D. Query performance may be affected because the index is not.
这个题目我觉得应该选C,不知对不对,那位朋友能够指教一下,谢谢。