Oracle
1Z0-071 · Question #2
1Z0-071 Question #2: Real Exam Question with Answer & Explanation
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Question
Which two statements are true regarding the COUNT function? (Choose two.)
Options
- ACOUNT(*) returns the number of rows including duplicate rows and rows containing NULL value
- BCOUNT(cust_id) returns the number of rows including rows with duplicate customer IDs and
- CCOUNT(DISTINCT inv_amt) returns the number of rows excluding rows containing duplicates
- DA SELECT statement using COUNT function with a DISTINCT keyword cannot have a WHERE
- EThe COUNT function can be used only for CHAR, VARCHAR2 and NUMBER data types
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