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Q12: A specialization hierarchy can have _ level(s)of
Q12: From a database point of view,the collection
Q16: _ distributed database systems integrate different types
Q34: A(n)_ lock has only two stages (0
Q38: Database transaction _ restores a database from
Q41: The inherently complex distributed data environment increases
Q46: The relational database model enables you to
Q85: _ design could become a very technical
Q93: In _,no row may contain two or
Q98: The query to join the P_DESCRIPT and