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Question:
This form represents one of a number used for each sailing of a range of boats. A passenger may go on many sailings and will have the same passenger number for each. The cruise fee varies according to the sailing details (e.g. date of sailing).
(a) Represent the form as a relational schema and Normalize to third normal form, using dependency diagrams to justify decomposition steps. Show all the partial and transitive dependency in your diagram.
(b) Draw an ERD of the system from the tables obtained from the normalization process.
Explain the concept of deadlock Yes. It can direct to deadlock. Suppose that a batch of frames arrived correctly and were accepted. Then receiver will advance its window. Now s
What is 2NF? A relation schema R is in 2NF if it is in 1NF and every non-prime attribute A in R is fully functionally dependent on primary key.
How can one distinguish among different kinds of parameters? Input parameters are used to pass data to subroutines. Output parameters are used to pass data from subrout
What is Data Storage? The storage structures and access methods used by database system are specified by a set of explanation in a special type of DDL called data storage-defin
Express the following queries in SQL: (a) Write the SQL code that will create ALL the four tables given in the appendix. Your answer should not contain the primary key and
it can be possible to create any table without primary key
Ancestry database records information about family trees . Following information is recorded about each person: FIRSTNAME first name SURNAME surname MNAME maiden name (if
Some disadvantages of File Oriented System ?
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
Define Signal. It allows methods to respond to events triggered by themselves or by other processes. Each signal corresponds to an exacting event. A signal is represented in Sy
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