A.先Activate再Init最后為Load B.先Load再Init最后為Activate C.先Init再Load最后為Activate D.先Load再Activate最后為Init
A.EMPTY(NULL.)B.LIKE("edit","edi?")C.AT("a","123abc")D.EMPTY(SPACE(10))
A.自然連接 B.選擇 C.連接 D.投影
A.REPLACEALL工資WITH工資+200WHILE職稱=副教授 B.REPLACE工資WITH工資+200WHILE職稱=副教授 C.REPLACE工資WITH工資+200WHERE職稱=副教授 D.REPLACE工資WITH工資+200FOR職稱=副教授
A.INDEX B.SORT C.INDEX ON D.ORDER