Examlex
Q4: Lack of secure standards and lack of
Q51: The UNION clause is used to combine
Q56: Establishing IF-THEN-ELSE logical processing within an SQL
Q59: XML-based vocabularies, such as XBRL, do not
Q77: There can be multivalued attributes in a
Q79: An attribute that uniquely identifies an entity
Q80: An identifier assigned to an associative entity
Q83: It is desirable that no two attributes
Q96: A Web server:<br>A) is used only to
Q103: The need for data warehousing in an