Which two statements are true regarding the COUNT function? (Choose two.)

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answerhappygod
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Which two statements are true regarding the COUNT function? (Choose two.)

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Which two statements are true regarding the COUNT function? (Choose two.)

A. COUNT(*) returns the number of rows including duplicate rows and rows containing NULL value in any of the columns
B. COUNT(cust_id) returns the number of rows including rows with duplicate customer IDs and NULL value in the CUST_ID column
C. COUNT(DISTINCT inv_amt) returns the number of rows excluding rows containing duplicates and NULL values in the INV_AMT column
D. A SELECT statement using COUNT function with a DISTINCT keyword cannot have a WHERE clause E. The COUNT function can be used only for CHAR, VARCHAR2 and NUMBER data types
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