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Prepare a report - The report should be related to Business communications.
Topics to cover in your written report;
• LAN • WAN • Leased circuits (private business circuits rented from a carrier) • VPN • Internet, International communications • Security • Video conference • Remote collaboration on projects Carrier/Supplier • Fiberoptic • Copper cable • Satellite • Wireless • Bandwidth • Multiplexing Protocols • X25 • Frame relay • ATM Cloud • What is the Cloud • What does/can it supply • What benefits does it bring, • What potential problems will it bring.
Practice on topic of Normalization
Journal entries have to be reconciled with the spreadsheet on a daily basis - Prepare a context diagram for the system and also prepare a diagram 0 DFD for the system
Design a scheme for determining exactly which one of the wine bottles was poisoned in just one month's time while expending O(logn) taste testers.
Sketch an E-R diagram which reflects the above reuirements. Write a set of relational schemas and identify primary and foreign keys. Try not to include redundant schemas.
Explain efficient algorithm that, provided edge-labeled graph G with distinguished vertex v0 and sequence s = σ1, σ2, ..., σk of characters from Σ, returns path in G which begins at v0.
Company's databases do not give them with information required for market planning, lead generation, and account management. What does author say is root cause of this problem?
Hhow can you change column name or what is a different way to write statement in SQL so it displays the amount column as money.
What about giving same name to attributes which are in different tables but are not same? For instance, "Description" in both a Course table and a Classroom table.
Transform the tables into one or more tables in BCNF. State the primary keys, candidate keys, and referential integrity constraints.
Exceptions in credit card transactions can aid us fraudulent use of credit card. Suggest two methods for outlier detection.
Find the maximum salary of all employees who are not managers. Give all the managers in the database a 10 percent salary raise. Give all the other employees a 5 percent salary raise.
Compute the numbers of married men, single men, married women and single women. Print these numbers on a student summary report.
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