DBMS administrative functions include backing up database data,adding structures to improve the performance of database applications,removing data that are no longer wanted or needed,and similar tasks.
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Q20: A database is a self-describing collection of
Q32: Application programs process logic that is specific
Q44: A more formal name for a table
Q45: Relational databases have almost disappeared from use.
Q46: Bytes,which are characters of data,are grouped into
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Q50: Columns are also called fields.
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