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schemaPronounced "skee-mah." The definition of a data structure such as a database or XML file. Schemas describe the data elements and their interrelationships. See database schema and XML schema. schema 1. (in the philosophy of Kant) a rule or principle that enables the understanding to apply its categories and unify experience 2. Psychol a mental model of aspects of the world or of the self that is structured in such a way as to facilitate the processes of cognition and perception 3. Logic an expression using metavariables that may be replaced by object language expressions to yield a well-formed formula. Thus A = A is an axiom schema for identity, representing the infinite number of axioms, x = x, y = y, z = z, etc. schema [′skē·mə] (computer science) A logical description of the data in a data base, including definitions and relationships of data. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Additionally, Schemas provide rules to ensure that the internal structure of the XML to which they apply remains predictable and consistent. XML Schemas define shared markup vocabularies, the structure of XML documents which use those vocabularies, and provide hooks to associate semantics with them. The ultimate relief for the overworked DBA, the management pack features Oracle DBA Studio, a rich set of tools that automate and simplify the daily tasks needed to manage database schemas, security, storage, instances and more. |
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