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Suggest how to implement a direct-address table in which the keys of stored elements do not need to be distinct and the elements can have satellite data. All three dictionary operations (INSERT, DELETE, and SEARCH) should run in O(1) time. (Don't forget that DELETE takes as an argument a pointer to an object to be deleted, not a key.)
Find the average number of books borrowed per member. Take into account that if a member does not borrow any books, then that member does not appear in the borrowed relation at all.
Indicate the changes (using the shorthand representation) that you would need to make to the original premiere products database desing to support the following requirements.
Complete (i.e., reverse engineering) ER diagram below such that 4 relation schemas above are exactly result of a translation from the ERD to the relational model.
What is Recovering a database via rollforward? What is aim of transaction log? What is contained in transaction log?
Create tables in 3NF. As you create the database, include different codes for at least three of the fields. Use sample data to populate fields for at least three records in each table.
Explain the role of a database administrator,the tasks performed by this role and why this role is important in Database Management.
To analyse a set of data, and write a memo, identifying and explaining your insights into the operation of Todd Restaurants.
Examine different sales transactions. Design a context diagram and a level-0 diagram that represent the selling system at the store.
Difference between obsolescent and redundant stocks
MGMT321 Group Project: Create the following documents for the proposed system and deliver each SDLC documents by the end of each designated module, as shown below
Consider system which produces budget reports for department at university. For whichever system you select, answer the following design questions. Who will use output?
To lock any other vertex, the transaction must have visited all the parents of that vertex and must be having a lock on one of the parents of the vertex. Show that the protocol ensures serializability and deadlock freedom.
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