The CURSOR_SHARING parameter is set to SIMILAR at the i

多项选择题

The CURSOR_SHARING parameter is set to SIMILAR at the instance level and you issue these SELECT statements in the order shown below：
SELECT * FROM employees WHERE department_id=50；
SELECT * FROM employees WHERE department_id=70；
There is an index on the DEPARTMENT ID column of the 1，000，000 row EMPLOYEES table. Ninety percent of the employees are part of the DEPARTMENT_ID 50. In which two scenarios will Oracle9i share the corresponding cursors for the two statements？（）

A.A
B.B
C.C
D.D

1Z0-032