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added alias for nulls
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@ -13,6 +13,8 @@ Checks whether the argument is [NULL](../../sql-reference/syntax.md#null-literal
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isNull(x)
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```
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Alias: `ISNULL`.
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**Parameters**
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- `x` — A value with a non-compound data type.
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@ -13,6 +13,8 @@ toc_title: "\u0424\u0443\u043d\u043a\u0446\u0438\u0438\u0020\u0434\u043b\u044f\u
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isNull(x)
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```
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Синоним: `ISNULL`.
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**Параметры**
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- `x` — значение с не составным типом данных.
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