单选题
NLS parameters can be set using the five methods listed. Put the methods in order from highest to lowest according to Oracle‟s order of precedence: （） a. Default setting b. Client environment variable c. Explicit ALTER SESSION statement d. Inside SQL function e. Server initialization parameter
Ab, d, e, a, c
Be, a, b, c, d
Cd, c, b, e, a
Da, b, d, c, e
Ed, c, b, a, e
