Q

quantifier operators, 105–107

queries. See data querying; LINQ queries; LINQ to XML queries

query expressions

C# support, 48–49

defined, 48, 73

GroupBy operator, 86

Join operator, 88

lambda expressions in, 61

language integration, 11–12

overview, 74

Visual Basic support, 59–61

query operators

aggregate operators, 95–103

concatenation operator, 114

element operators, 109–113

Enumerable class, 73

equality operator, 114

generation operators, 103–104

grouping operators, 84–86

join operators, 86–90

ordering operators, 80–84

partitioning operators, 107–109

projection operators, 78–80

quantifiers operators, 105–107

query expressions and, 73

reversing query results, 83

set operators, 90–94

Where operator, 77–78

question mark (?), 96