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jaycezhao jaycezhao
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6 years ago
According to Codd's _____ rule of relational database, Application programs and ad hoc facilities are logically unaffected when changes are made to the table structures that preserve the original table values (changing order of columns or inserting columns).
 a. nonsubversion b. logical data independence
  c. comprehensive data sublanguage d. integrity independence
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mizunoshiromizunoshiro
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6 years ago
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6 years ago
This site is awesome
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