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</profiles>
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## dialect {#dialect}
Allows choosing support for different query languages.
Possible values:
- `clickhouse` - ClickHouse SQL.
- `kusto` - Microsoft KQL.
- `kusto_auto` - Tries ClickHouse SQL first, then Microsoft KQL.
In mode `clickhouse`, ClickHouse outputs intervals as their underlying numeric representation. For example, `toIntervalDay(2)` would be formatted as `2`.
In modes `kusto` and `kusto_auto`, ClickHouse outputs intervals in [KQL format](https://learn.microsoft.com/en-us/dotnet/standard/base-types/standard-timespan-format-strings#the-constant-c-format-specifier). For example, `toIntervalDay(2)` would be formatted as `2.00:00:00`. Please note that for interval types of varying length (ie. `IntervalMonth` and `IntervalYear`) the average number of seconds per interval is taken into account.
Default value: `clickhouse`.
See also:
- [Interval](../../sql-reference/data-types/special-data-types/interval.md)
## distributed_product_mode {#distributed-product-mode}
Changes the behaviour of [distributed subqueries](../../sql-reference/operators/in.md).