PostgreSQL_CE
PGCES-02 · Question #126
The "sample" table consists of the following data. How many rows are returned by executing the following SQL statement? SELECT i FROM sample GROUP BY i; PostgreSQL CE PGCES-02 Exam
The correct answer is C. 3 rows. See the full explanation below for the reasoning.
Question
The "sample" table consists of the following data. How many rows are returned by executing the following SQL statement? SELECT i FROM sample GROUP BY i; PostgreSQL CE PGCES-02 Exam
Options
- A1 row
- B2 rows
- C3 rows
- D4 rows
- E5 rows
How the community answered
(41 responses)- A2% (1)
- B10% (4)
- C73% (30)
- D12% (5)
- E2% (1)
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