Although we haven’t covered LINQ to SQL yet, let us mention at this time that to utilize LINQ to SQL for a given database, source code classes must be generated for that database and compiled, or a mapping file must be created. This means that performing LINQ queries with LINQ to SQL on a database that is unknown until runtime is not possible. Additionally, LINQ to SQL works only with Microsoft SQL Server. What is a developer to do?
KeywordsDataTable Object Original Version Union Operator Element Equality Comparer Object
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