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Tables must have the same attribute characteristics (the columns and domains must be compatible)to be used in a UNION.
Q16: As compared to CR, a disadvantage of
Q24: The logical systems design is created during
Q29: An entity cluster is formed by combining
Q31: The same data might be simultaneously structured
Q45: A _ is a logically connected set
Q62: Data type selection is usually dictated by
Q69: The DBMS reveals much of the database's
Q78: A good relational DBMS excels at managing
Q80: The DBMS can easily handle multivalued attributes.
Q90: The SQL aggregate function that gives the