Computers and Technology, 13.11.2019 04:31 veryrarecobain

Suppose a database manager were to allow nesting of one transaction inside another. that is, after having updated part of one record, the dbms would allow you to select another record, update it, and then perform further updates on the first record. what effect would nesting have on the integrity of a database? suggest a mechanism by which nesting could be allowed.

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Suppose a database manager were to allow nesting of one transaction inside another. that is, after h...