Q
- qualified name
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An element or attribute name that includes a namespace prefix, to ensure that it is unique when mixed among markup from other namespaces.
- quantity indicator
-
The number of times an element may appear at a given point in the document structure is governed by a special symbol, '?' (optional), '+' (repeatable) or '*' (optional and repeatable). When no symbol is present, the element is required and may not repeat. For example, '(title,para+)' indicates a required Title element, followed by at least one Paragraph element.
- query
-
A question asked of a DBMS to retrieve specific information. The SQL query 'SELECT NAME FROM EMPLOYEES WHERE DEPARTMENT = 'Accounts'' returns the names of all employees (held in the 'name' field of the 'employees' ...
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