可查询当前数据库中的所有索引的数据字典是:
A: DBA_INDEXES
B: ALL_INDEXES
C: USER_INDEXES
D: ALL_IND_INDEXES
A: DBA_INDEXES
B: ALL_INDEXES
C: USER_INDEXES
D: ALL_IND_INDEXES
举一反三
- 下列选项中，属于查询索引方法的是（）。 A: getIndexes() B: indexes() C: indexs() D: getIndes()
- Which indexes are economic indexes of Rankine Cycle ( ) A: Thermal efficiency B: Coal rate C: Heat rate D: Steam rate
- You can find information using Web-based ____. A: indexes B: lists of links C: links provided on the pages of wikis D: all of the above
- You want a record of all queries that are not using indexes. How would you achieve this?（） A: By enabling the Slow Query Log because all queries that are not using indexes will be logged automatically B: By enabling the Error Log because not using indexes is an error C: By enabling the Slow Query Log and using the – log-queries-not-using-indexes option D: By enabling the Error Log and using the – log-queries-not-using-indexes optio
- 有关索引，说法正确的是 A: dba_indexes保存数据库的所有索引信息 B: user_indexes保存当前用户的所有索引信息 C: all_indexes保存当前用户可访问的所有索引信息 D: all_indexes保存所有索引信息