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Provide Examples of different types of Time and Date formats.
It's most common store dates using a dash (-) as a colon (:)and the delimiter as the time delimiter. The given formats can as well be used.
2008-10-23 10:37:22
20081023103722
2008/10/23 10.37.22
2008*10*23*10*37*22
Determine the rule that a value of a foreign key should appear as a value of some particular table is called a Ans: Referential constraint. The rule that a value of a fo
1. Determine the set of minimal functional dependencies for the following data. The local bakery, Happy Cakes, needs your help designing a database that will support a kiosk in
explain in detail about time stamp orderting/
er diagram on cosmetics.
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
Define what Immediate database modification technique uses? Ans: Both undo and redo.
QUESTION (a)(i) Define the term database. (ii) How is it different from a database management system? (b) What is the difference between an entity and an attribute? (c
What is Nested Queries explain in details? Nested Queries - A SELECT query could have subquery(s) in it. While a SELECT query having another SELECT query in it, is known as n
Question: A DBMS built for Online Transaction Processing (OLTP) is generally regarded as unsuitable for data warehousing. Each system is designed with a different set of requir
Prove that a relation which is 4NF must be BCNF. Ans Let R be in 4NF. Suppose it is not in BCNF. Hence, there exists an FD X→Y in R such that x is not a super key. Although
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