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In a job interview with a branch manager of a bank that operates in multiple Canadian provinces and the Yukon, you learn that all of the information is captured in real time in a single operating database. In addition, all of the reporting is done from a single data warehouse using SAP Business Intelligence software. Due to the bank's reliance on databases, the branch manager asks you the following questions to gauge your understanding of databases.
1. Operating database includes a Customers table and a Loans table. List some of the fields in each of these tables and indicate the key field in each table. What is the relationship between these two tables?
2. What actions will you be able to perform on the operating database using the bank's database application? Explain the relationship of the data warehouse to the business intelligence tools?
4. Bank's senior management will be using SAP business intelligence software for strategic decision making. Give an example of a strategic decision that the bank's senior management may make and the information that may be used for this decision.
Differentiate strict two phase locking protocol and rigorous two phase locking protocol. In strict two phase locking protocol all exclusive mode locks taken by a transaction is
Explain What is Relation? A database relation is a predefined row or column format for storing information in a relational database. Relations are equal to tables.
Drawbacks of Data Distribution: The primary drawbacks of distributed database systems are the added complexity needed to ensure proper coordination between the sites. This increas
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
Use again the GE Flight Quest Data and build on the work done for homework 1 and 2. The goal is to create a classification model which classifies flights into "on-time" (you can de
a. Define the term "deadlock". There are four conditions that must hold before deadlock is possible. Name them. b. Outline an algorithm that detects whether there is a deadlock.
What is the function of SQL Server Agent Windows service? - It's a Windows service that handles tasks scheduled within SQL Server environment. These tasks are also known as job
These are interactive interfaces, graphical that hide the difficulty of the DBMS and query language behind an intuitive, simple to understand, and convenient interface. This permit
Some disadvantages of File Oriented System ?
What are the advantages of having an index structure? Ans: The index structures commonly provide secondary access paths, which offer alternative ways of accessing the reco
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