TG: sql_for_qa/96

SQL для тестировщика

Какой из следующих SQL запросов вернет количество записей в таблице "Persons"?

Anonymous Quiz

SELECT COLUMNS() FROM Persons

SELECT COUNT(*) FROM Persons

SELECT COLUMNS(*) FROM Persons

SELECT COUNT() FROM Persons

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3.1K viewsMay 20, 2023 at 08:10

tg-me.com/sql_for_qa/96

Create: 2023-05-20
Last Update: 2025-07-01 10:51:12

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