单项选择题
A.Package and function
B.Function and userexit
C.Procedure and package
D.Function and procedure
单项选择题 Which of the following commands is used to retrieve database names from the local catalog for DRDA host databases on System i and System z?（）
单项选择题 Which of the following objects contains control structures that are considered the bound form of SQL statements?（）
单项选择题 An Alias can be an alternate name for which DB2 object?（）