Have you ever been in a situation where you needed to write a query that needed
to do comparisons or access data from the subsequent rows along with the data
from the current row? This article discusses different ways to write these types
of queries and more specifically examines LEAD and LAG analytics functions,
which were introduced with SQL Server 2012, and helps you understand how
leveraging these functions can aid you in such situations. For more information click here.
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