📊 SQL Server
Q. With SQL, how can you return the number of not null records in the "Persons table ?
  • (A) SELECT COUNT(*) FROM Persons
  • (B) SELECT COLUMNS(*) FROM Persons
  • (C) SELECT COLUMNS() FROM Persons
  • (D) SELECT COUNT() FROM Persons
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✅ Correct Answer: (D) SELECT COUNT() FROM Persons

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Ram Sharma
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