In subject area: Computer Science 'Query Rewriting' refers to the process of finding the maximally contained rewriting for a query given a set of views, where the rewritings are expressed as unions of conjunctive queries. AI generated definition based on: Principles of Data Integration, 2012 ...
You can change the meaning of the query by adding parentheses to force evaluation of the OR first. The following query finds only products under models 20 and 21 that are red.SQL Copy SELECT ProductID, ProductModelID FROM Production.Product WHERE (ProductModelID = 20 OR ProductModelID = ...
You can change the meaning of the query by adding parentheses to force evaluation of the OR first. The following query finds only products under models 20 and 21 that are red.SQL Copy SELECT ProductID, ProductModelID FROM Production.Product WHERE (ProductModelID = 20 OR ProductModelID = ...
SQL statements are case-insensitive, meaning they can be written using lowercase, uppercase or a combination. However, it is customary to write out SQL keywords -- commands or control operators -- in all-caps and table/column names in lowercase. Words in the statement can be treated as case...
(e.g.,equations) that cannot be represented clearly in simple ASCII. They may “contain” information such as editors’ notes that are not rendered when the document is printed. And as the meaning of “document” stretches to include material that is published electronically, such documents may...
What's New in Server Core (Windows) IConsole2::UpdateAllViews method (Windows) MSFT_NetConSecRule class (Windows) Interactivity (Windows) Windows Server 2012 R2 and Windows Server 2012 Configuration Options (Windows) L (Windows) U (Windows) Glossary (Windows) General Programming Considerations (Win...
The onlyXNodethat can have children is anXContainer, meaning either anXDocumentorXElement. AnXDocumentcan contain anXElement(the root element), anXDeclaration, anXDocumentType, or anXProcessingInstruction. AnXElementcan contain anotherXElement, anXComment, anXProcessingInstruction, and text (which can ...
ValueMeaning <query> is a query in an Indexing Service query language <catalog> is the name of the catalog (default is "system") <machine> is the name of the machine (default is ".") <scope> is the root path (default is entire catalog) /d displays the DBCOMMANDTREE (default is do...
Furthermore, the query expression can be complex meaning that includes a plurality of limitations or sub-expressions. At 1120, a schema is received, retrieved or otherwise obtained. The schema provides metadata about the data domain to which the query expression is directed. At 1130, a sub-...
a dependent attribute. The dependent attribute may depend on the first attribute for context, or to supply meaning. In some implementations, two or more dependent attributes may be included in one search line. For example, a search statement may include a first attribute and one, two, three,...