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For a given data object, some transactions try to read it and others try to modify it . If a transaction can acquire a shared
For a given data object, some transactions try to read it and others try to modify it If a transaction can acquire a shared lock on this data object, other transactions can also acquire different locks on this data object.
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Database Design Application And Administration
Authors: Michael Mannino, Michael V. Mannino
2nd Edition
0072880678, 9780072880670
