111. Which are the types of data independence:
112. Which are the types of integrity rule:
113. Which are the types of physical DBMS architecture can be split :
114. Which calculus is based on specifying a number of tuple variables:
115. Which command creates database objects like tables, views and indexes:
116. Which is a DBMS keeps back-up copies of the database:
117. Which is incorporated to create an appropriate physical database that is transformed by a logical data model:
118. Which is relation calculus:
119. Which mapping exists between the conceptual and internal levels:
120. Which mapping exists between the external and conceptual levels:
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