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Optimistic Concurrency Control Is locking the only way to stop concurrency related problems? There exist some other ways too. One such way is known as an Optimistic Concurrency
What is meant by functional dependencies? Consider a relation schema R and α C R and β C R. The functional dependency α ->β holds on relational schema R if in any legal relati
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
Question: (a) What is ODBC and what is its function? (b) What is Web application server, and how does it work from a database perspective? (c) What does e-commerce mean
How can we Classify the operations on classes This step fundamentally means all three models functional, object and dynamic (studied in last section) must be combined so that
What is a SELECT operation? The select operation selects tuples that please a given predicate. We use the lowercase letter σ to denote selection.
differences between a classified catalog and a dictionary catalog
MySQL Database Merge Project Description: I have two databases, I need merge the data of one database into another Work to be done online right now. Payment can be done
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