Simon Fraser University

query-expression

A query-expression is one or more table-expressions. Multiple table expressions are linked by set operators. The following figure illustrates the relationship between table-expressions and ...
Visual Studio Magazine

Inside C# 3.0: Extension Methods, Query Expressions, and Expression Trees

LINQ, DLinq, and XLinq—what the heck? The last thing you're looking for is more three-letter acronyms (TLAs) and fancy, four-letter acronyms (FFLAs). But once you do bit of plumbing, C# anonymous ...
Simon Fraser University

Building a Query

The Query window assigns aliases to the tables and columns. An alias is a temporary, alternate name for a table. If you select two tables that have columns with the same name, the aliases are used so ...
Ars Technica

Any way to dynamically choose fields in a LINQ query expression?

So I've got this large dataset...call it t_Data, it's pretty easy to cut it up with a where condition in LINQ, but I want to be able to interrogate another dataset....call it q_Category (which ...
Nature

Query Processing and User Interaction in Databases

Query processing and user interaction form the cornerstone of modern database systems, providing the framework for translating high‐level user queries into efficient, actionable operations. As data ...
TechRepublic

Grouping dates in Access by date components

You don't need a complex set of expressions or even VBA to sort Access date values by specific components, such as month or year. Use DatePart() and sort on its results. When grouping date values at ...