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1. Create the tables for the play-scheme database as specified in the TMA.
2. Enter the data as given in the spreadsheet.
3. Create queries to retrieve specified information
4. Extend the database
5. Write a report documenting your work.
Full details of each of these requirements are given below. Read through them carefully to
ensure that you understand what is required before you start work.
Completing the FMA
You should work on your FMA both during and after class. Begin your work early, as the FMA is a substantial task that requires much planning and effort to complete satisfactorily.
Illustrate the statement 'Projection operation distributes over the union operation'. Give an example. Ans: Π L (E 1 ∪ E 2 ) = (Π L (E 1 )) ∪ (Π L (E 2 )) This says th
The Database MySQL scripts cars_for_sale.sql and car_details.sql containing the data to use for this task have been supplied. To complete this task, you need to first create
Define and differentiate between ordered indexing and hashing. Ans: Ordered indexing: To gain fast random access to records in a file, we can make of an index structure. Every
prototype of a distributed information system for a national car part retail outlet chain.
Chapter 10a review questions
Define lock? Lock is the most common used to execute the requirement is to permit a transaction to access a data item only if it is currently holding a lock on that item.
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
i need help with creating database system for a library
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1. Based on the dependency diagram, create a database whose tables are in at least 2NF, showing the dependency diagram for each table (as shown in class). Label the types of depe
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