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Demonstrate your knowledge of PL/SQL programming by writing and thoroughly testing triggers and stored procedures associated with an e-commerce application that provides security l
write on the various type of relationalkey
(a) Why did SAP introduce the extended star schema?
how to prepare a data dictionary for online examination system for certified courses?
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
Discuss the types of integrity constraints in which must be checked for the update operations - Insert and Delete. Give examples. Insert operation can violet any of the subse
What are the two main goals of parallelism? Load -balance multiple small accesses, so that the throughput of such accesses enhances. Parallelize large accesses so that the res
Question: Consider the following database relations for a textbook ordering system used by a college bookshop: Book (b-copy#, bname, ISBN#, author, price, subject) Order (s#
Define Physical and Logical independence Ans: Physical data independence: The ability to modify physical level without causing application program to be rewritten. Logic
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