Which two statements are true regarding the count function?

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• AThe count function can be used only for CHAR, VARCHAR2, and NUMBER data types.
• BCount (*) returns the number of rows including duplicate rows and rows containing null value in
• CCount (cust_id) returns the number of rows including rows with duplicate customer IDs and NULL
• DCount (distinct inv_amt) returns the number of rows excluding rows containing duplicates and
• EA select statement using the COUNT function with a DISTINCT keyword cannot have a where

• A
  12% (7)
• B
  81% (47)
• C
  5% (3)
• E
  2% (1)

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