U

U type, 87, 89, 100

UDFs (user-defined functions), 145–146

underscore (_), 57

Uniform Resource Identifier (URI), 173, 178, 183

Union operator, 92–94

unique object identity, 131

Unique property, 138

UPDATE statement (SQL)

concurrent operations, 156

conflict detection, 157

entity updates, 152

stored procedures, 156–157

UPPER function call, 142

URI (Uniform Resource Identifier), 173, 178, 183

user-defined functions (UDFs), 145–146

using statement

extension methods, 39, 55

imported namespaces, 15

namespaces, 4