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Let us assume that a program takes 400 seconds of elapsed time to execute. Out of these 400 seconds, 320 seconds is the CPU time and the rest is I/O time. What percentage of elapsed time is spent on I/O operations?
Proceed with all steps in information-level design to add this user view to existing cumulative design. Is this table in1st NF?___No____ . If Yes skip. If not, write Table in DBDL notation after applying the methodology we use for converting into 1NF..
you were hired as an analyst to develop a new information system to automate the payroll transactions in a mid-size
Controls which need a database to either execute transaction completely or not at all.
Dual Assessment of Data Quality in Customer Databases,Journal of Data and Information Quality (JDIQ), Volume 1 Issue 3, December 2009, Adir Even, G. Shankaranarayanan.
your database has been a hit. you have been called back to the customers headquarters and they want a detailed report
Design a database, a database planner should spend a considerable amount of time thinking about what kind of information will be included in the database and how it will be organized.
Find all Governors General of Australia who were Barons at the time of their appointment. List them by Title and name and date that they were appointed to the position. Order the list by ascending date of appointment
write a 200- to 300-word short-answer response for the followingsuppose that the database system within your
Suppose that your database system has very ine?cient implementations of index structures. What kind of a design would you try in this case?
Write down the SQL code in order to carrying out the following requests. Display all the data in each of the four tables. Do not display the foreign key columns.
What would be the total overhead cost per customer according to the activity based costing system? In other words, what would be the overall activity rate for the customer support activity cost pool?
Design a database for Ray. For each director, list his or her number and name and the year he or she was born. If the director is deceased, list the year of death.
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