多选题Which two statements are true regarding the ORDER BY clause? （）AIt is executed first in the query executionBIt must be the last clause in the SELECT statementCIt cannot be used in a SELECT statement containing a HAVING clauseDYou cannot specify a column name followed by an expression in this clauseEYou can specify a combination of numeric positions and column names in this clause
多选题
Which two statements are true regarding the ORDER BY clause? （）
A
It is executed first in the query execution
B
It must be the last clause in the SELECT statement
C
It cannot be used in a SELECT statement containing a HAVING clause
D
You cannot specify a column name followed by an expression in this clause
E
You can specify a combination of numeric positions and column names in this clause
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