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Databases are designed to permit multiple users to have concurrent access to data. Yet this capability offers certain problems. Investigate how databases solve multiple concurrent data management issues comprising lost updates, deadlocks and different kinds of lock management styles. Distinguish different locking capabilities of Microsoft Access and compare it to one other database product.
Explain a good strategy for processing each of following queries. Determine all machines at Almaden plant. Determine employee 1 machine.
Describe briefly what are the main benefits of using DBMS to manage data in program applications involving extensive data access.
The DBA denormalized some of the data in the Premiere Products database to improve performance. Which field or fields cause the table to no longer be in third normal form? In which normal form is the denormalized table?
Create an arff file with the following data types, flags, unit_id, names must be nominal and timestamps (ts) must be date
The database application project (DAP) for this course consists of the creation of a fully functional Microsoft Access database application for a real client.
Create a query that spans both tables. Eliminate redundant fields. Modify the Query to select only those Customers that had service dates in October and November 2006.
Write a program that will ask the user to enter the last names of our candidates in a class officer's president election and the number of votes received each candidate.
Design an Entity model and construct a set of tables with suitably defined columns to support this scenario and find details of all books stocked in London
Transform the tables into one or more tables in BCNF. Write the primary keys, candidate keys, and referential integrity constraints.
What is meant by a weak relationship? Provide an example. What is meant by weak entity? What do you understand by relationship degree?
Use technology and information resources to research issues in database systems. Write clearly and concisely about relational database management systems using proper writing mechanics and technical style conventions.
Over 70% of web applications use database to store persistent data. Write some of the problems and issues associated with internet databases?
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