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Q3: A single-user database system automatically ensures _
Q9: The default comparison condition for the subtype
Q29: Ideally,a primary key is composed of several
Q42: Corporations use only structured data.
Q45: _ relationships occur when there are multiple
Q48: All relational tables satisfy the _ requirements.
Q51: Although the DBMS is designed to recover
Q62: Another name for a composite entity is
Q92: The traditional SDLC is divided into _
Q96: In Crow's Foot notation,an optional relationship between