When using LINQ to DataSet, the let keyword is used to define ___________ variables within a query.
- Temporary
- Global
- Static
- Local
The correct option is 'Temporary'. In LINQ to DataSet, the let keyword is used to define temporary variables within a query. These variables can hold intermediate results or calculated values that are used within the query itself. They are scoped to the query in which they are defined and are not accessible outside of it.
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