Możesz użyć ROW_NUMBER
w TSQL (od 2005 r.), aby to zrobić:
SELECT ID, Foo, Bar
FROM (SELECT ROW_NUMBER() OVER (ORDER BY ID ASC) AS Row,
ID, Foo, Bar
FROM SomeTable) tmp
WHERE Row >= 50 AND Row <= 100
Lub z LINQ-to-SQL itp.:
var qry = ctx.Table.Skip(50).Take(50); // or similar