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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.
Q. Explain the terms key constraints participation constraints and mapping caradinalities in ER model. Participation Constraints : The participation of an entity set E i
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
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what is the need of a log in dbms
What is Log Shipping? Log shipping is the method of automating the backup of database and transaction log files on a production SQL server, and then restoring them onto a stand
Consider a bank that has a collection of sites, each running a database system. Suppose the only way the databases interact is by electronic transfer of money between one another,
Describe the Menu based interfaces for web clients or browsing? Menu-Based Interfaces for Web Clients or Browsing - These interfaces present the user along with lists of option
For problems 1-4, give all candidate keys for the tables with FDs specified. Composite candidate keys must be put in parentheses, and candidate keys must be separated with commas
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
Explain the challenges before an E-business management.
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