2013计算机二级VF上机备考习题八(附答案)(2)

  综合应用题答案:
  “计算”菜单项的命令代码为:
  OPEN DATA STOCK
  SELECT 股票代码,(买入价-现价)*持有数量 AS 浮亏金额 FROM STOCK_SL WHERE 买入价>现价 INTO ARRAY aaa
  DELETE FROM STOCK_FK
  INSERT INTO STOCK_FK FROM ARRAY aaa
  SELECT SUM(浮亏金额) FROM STOCK_FK INTO ARRAY bbb
  CREATE TABLE STOCK_Z(浮亏金额 N(11,2))
  INSERT INTO STOCK_Z FROM ARRAY bbb
  “退出”菜单项的命令代码为:set sysmenu to default