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Exam 1z0-082 topic 1 question 172 discussion

Actual exam question from Oracle's 1z0-082
Question #: 172
Topic #: 1
[All 1z0-082 Questions]

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

  • A. COUNT (*) returns the number of rows in a table including duplicate rows and rows containing NULLs in any column.
  • B. COUNT (DISTINCT inv_amt) returns the number of rows excluding rows containing duplicates and NULLs in the INV_AMT column.
  • C. A SELECT statement using the COUNT function with a DISTINCT keyword cannot have a WHERE clause.
  • D. It can only be used for NUMBER data types.
  • E. COUNT (inv_amt) returns the number of rows in a table including rows with NULL in the INV_AMT column.
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Suggested Answer: AB 🗳️
by piipoh at Jan. 25, 2025, 8:03 p.m.

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piipoh
3 days, 23 hours ago
Selected Answer: AB
A & B are correct
upvoted 1 times
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