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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.
List the data structures implemented by the storage manager. The storage manager executes the following data structure a) Data files b) Data dictionary c) indices
Using Literal Character String Example: To print IS A as one string with column name employee SELECT ENAME || ' IS A ' || JOB AS "EMPLOYEE" FROM EMP;
Which element in the database can modified by changing the data dictionary? Data elements in the database can be changed or modified through changing the data dictionary.
sir we want er diagram of bank management system in this main menu option as new account,deposit amount,withdraw amount,all acount holder list,modify account,close account
Explain the difference between using functions along with and without grouping attributes in relational algebra. Give examples. Ans: Group functions are used to group data of
Assignment #1 Data Management The questions on this exam are based on the Baxter Aviation case scenario. 1. (5 points) The systems analyst proposes the following two relationshi
State the meaning of Object Representation The term object representation means "to represent object with the help of objects model symbols". Implementing objects is too simp
Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.
Increases efficiency : Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, there
Define Signal. It allows methods to respond to events triggered by themselves or by other processes. Each signal corresponds to an exacting event. A signal is represented in Sy
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