“Vérifiez si l'enregistrement existe” Réponses codées

Vérifiez si l'enregistrement existe

-- Returns 1 if exists, 0 else
SELECT EXISTS(SELECT 1 FROM my_table WHERE text LIKE '%something%');

SELECT 
	CASE 
		WHEN EXISTS(SELECT 1 FROM my_table WHERE text LIKE '%something%') = 1 THEN
    		'It exists'
    	ELSE 'Does not exist'
	END;