A portion of the Drupal is shown below.
Abstraction hierarchy:
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The DDL statements for construction of this portion of a Drupal database:
database drupal. base name (A60). base name (A32). type users = name, pass. base node type (A32). base title (A128). base body (T). base teaser (T). type node (I9) = node type. type node revisions (I9) = node, user, title, body, teaser. type comments (I9) = node. base name (A255). base description (T). type vocabulary (I9) = name, description. type term data (I9) = name, description. type vocabulary node type (I9) = vocabulary, node type. type term node (I9) = node, term data. end.