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Explain Growing Phase of locking
Growing Phase: In this phase the transaction can only obtain locks, but cannot release any lock. The transaction enters the growing phase as soon as it obtains the first lock it wants. From now on it has no option but to keep acquiring all the locks it would require. Ultimately the transaction reaches a point where all the lock it may require has been acquired. This point is known as Lock Point.
Types of Data fragmentation
in case of functional dependencies how we get the higher normal form.
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
Define shadow paging. An alternative to log-based crash recovery method is shadow paging. This technique requires fewer disk accesses than do the log-based methods.
Describe the functions and features of foreign key? Foreign Key : The primary key of one file or table that is implanted in another file or table to implement the relationships
A student entity type has the following attributes,name..
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
Draw the database using the ER approach and then make the tables accordingly. Populate the tables so that every table have at least 10 tuples. Then using Java and SQL, execute the
1. Will you advise that your organization uses open source software and why? 2. Why is it important for business managers to have a basic understanding of the software development
how to make an e r diagram?
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