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Evaluate: a.When transactions T1 and T2 are in a deadlock, one of the transactions will eventually implement to completion and let the other one continue implementation. b.
Association as a cache This association must be updated when any new element is added to it, but testing for overlap using association is more efficient. Figure:
Creation of Indexes Automatically: When a primary key or Unique constraint is show in a table definition then a unique index is formed automatically. Manually: User can
Speedup Query Processing: A query that includes data at various sites can be split into sub-queries. These sub- queries can be implemented in parallel by various sites. Such parall
Explain the Strategy of Database Planning ?
BCNF Boyce-Codd Normal Form A relation schema R is in BCNF if it is in 3NF and accepts an additional constraint that for every FD X A, X has to be a candidate key. If a relati
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
I need help in doing my dbms project
The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
I need some help with my normalization database homework.
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