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Question: Using C++, Write a program that keeps an employee database in a random-access file. Implement functions for adding and removing employees. You need not keep employees in sorted order.
Use C++ language to solve this problem.
Which of the following subnet masks would offer 30 usable subnets with a minimum of 2040 usable hosts per subnet? We have been assigned the IP address in the exhibit. Choose the best answer.
LOAD FROM "C:\db2game\tutors.csv" of del insert into tutors (student_id, given_name, family_name, course_code, hourly_wage, status);
There is a growing requirement to meet or exceed expectations of end users and applications communicating over a packet-switched network. In order to fulfil this requirement, different techniques are used to improve the QoS.
1. construct a scenario leading to the worst-case performance of the fifo buffer replacement policy.2. is it possible
Write down some of problems and issues related with internet databases? Consider security, performance, architecture issues.
Show the FDs in this resulting relation. Is it in 2NF Is it in 3NF? Why or why not? (State assumptions, if you make any.)
You need to develop new user named ASSOCDBA1 and new ROLE named JRDBA1 which can be used for assistant DBA. You wish the new role to contain DBA role that the SYSTEM user ha
based on the baxter aviation scenario that you used for the first exam. please read the following narrative carefully
Suppose you have a table which contains 27,000 data records, and you have unclustered B+ Tree Index on the table.
Explain the benefits and current trends of data warehousing and data mining and provide two (2) examples of quality companies successfully using a data warehouse to support your answer.
Discuss security threats as it relate to the Operating Systems and Memory Management. Consider a fixed partitioning scheme with equal-size partitions of 2 16 bytes and a total main memory size of 2^24 bytes. A process table is maintained that inc..
Describe relationships with the example. Also illustrate degree of relationship for that example. Describe the different operations of relational algebra with suitable example each.
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