证券交易价格形式有：（）、（）、（）、清算价格、市场价格、交易价格。

A. 将钥匙放入中央储物盒
B. 将钥匙插入点火插口
C. 将钥匙插入排挡杆上的小孔
D. 将钥匙放入手套箱

A. You can use aggregate functions in any clause of a SELECT statement.
B. You can use aggregate functions only in the column list of the select clause and in the WHERE clause of a SELECT statement.
C. You can mix single row columns with aggregate functions in the column list of a SELECT statement by grouping on the single row columns.
D. You can pass column names, expressions, constants, or functions as parameter to an aggregate function.
E. You can use aggregate functions on a table, only by grouping the whole table as one single group.
F. You cannot group the rows of a table by more than one column while using aggregate functions.