Combine these two features, and you can create query expressions that perform SQL- and XQuery-type searches on collections. You can also store these queries—not just the results—in expression tree ...

Query expression feedback is a feature that enables you to know how ConText parses a text or theme query expression before you execute the query. Knowing how ConText evaluates a text or theme query ...

Canonical command trees represent select ... variety of canonical functions that include the following: You use query expressions together with the query operators in ESQL to form your queries ...

Exploring data using natural language ("plain English") query expressions isn't a new concept, but it has become more relevant and more feasible lately. People are used to search engines and like ...

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 ...