中国农业银行某柜员因家中有事,将保管的业务专用章交给办理个人开户业务的另一柜员何某,致使何某偷盖业务专用章盗取客户资金,指出责任人违反的条款及应给予的处分档次。()
A. 印章专人使用、专人保管、专人负责
B. 印、证未按规定分管分用,造成严重后果的
C. 警告
D. 记过至开除
In which scenario would index be most useful? ()
A. The indexed column is declared as NOT NUL
B. The indexed columns are used in the FROM clause.
C. The indexed columns are part of an expression.
D. The indexed column contains a wide range of values.