Pro C# 2010 and the .NET 4 Platform, Fifth Edition

13.6. Investigating the C# LINQ Query Operators

C# defines a good number of query operators out of the box. Table 13-3 documents some of the more commonly used query operators.

NOTE

The .NET Framework 4.0 SDK documentation provides full details regarding each of the C# LINQ operators. Look up the topic "LINQ General Programming Guide" for more information.

Table 13.3. Various LINQ Query Operators

Query Operators	Meaning in Life
from, in	Used to define the backbone for any LINQ expression, which allows you to extract a subset of data from a fitting container.
where	Used to define a restriction for which items to extract from a container.
select	Used to select a sequence from the container.
join, on, equals, into	Performs joins based on specified key. ...