S
Size: a a a
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IK
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INSERT [dbo].[FavoriteDishes]
([DishId],
[UserId])
SELECT @dishId,
@userId
WHERE NOT EXISTS (SELECT TOP (1) 1
FROM [dbo].[FavoriteDishes] WITH (UPDLOCK, HOLDLOCK)
WHERE [DishId] = @dishId
AND [UserId] = @userId)
NK
WITH (UPDLOCK, HOLDLOCK)
черезчур?A
Dv
Dv
A
A
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🔘
A
SZ
V🧀
КК
КК
NK
DB