User Account

All Pages

Database statistics

Assignment Help Operating System
Reference no: EM1379508

Question1. What is structured query language (SQL) performance tuning?

Question2. In an RDBMS, how are the three phases parsing, execution, and fetching-- carried out? In general, in which phase would you tune a database?

Question3. What are database statistics and why are they important?

Question4. What are the different types of database requests and transactions?

Question5. Discuss why is there a need for a two-phase commit protocol? What are their two phases?

Question6. What are decision support systems? What role do they play in a business environment?

Question7. What is a data warehouse and what are its main characteristics?

 

Reference no: EM1379508

Questions Cloud

Expansion of network services : Assume you have been hired through your local library to help them setup a LAN to connect their three library sites.
Explain current technologies and issues : Assume you work for a cosmetics corporation and have been asked to manage a project team that will investigate whether or not your company should start to sell its products directly to customers through the internet.
Determine values of it industry certifications : Discuss briefly how IT certification works. What business arenas are IT certifications needed, security, or what technical problem is IT certification designed to solve?
Benefits and drawbacks of networked computers : Discuss the benefits of networked computers? What are the drawbacks? Describe similar characteristics between the internet and a group of networked computers.
Database statistics : In an RDBMS, how are the three phases parsing, execution, and fetching carried out? In general, in which phase would you tune a database? Determine database statistics and why are they important.
Local area networks : Assume you are the network manager for Central University, a average size university with 13,000 students. The university has ten separate colleges
Questions about on ssl : Provide a table showing the Caesar cipher with a key five, and then provide the result of applying this cipher to the text 'I came I saw I conquered'.
Internal application server for application systems : Classic Catalog Corporation runs a small but rapidly increasing catalog sales business. It outsourced its Web operations to a local ISP for many years but as Web have become a larger portion of its business,
Question about lan operating systems : Assume you are network administrator for a new corporation that has ten users and plans to add five more users within a year. The files require to be accessed by all ten users and each user must have different security rights.

Reviews

Write a Review

Operating System Questions & Answers

  Question about operating system interfaces

The Internet can be used for several reasons, including research and education, and information can be  achieved  from many types of Web sites.

  Compare forensic tools for unix with windows environments

Discuss challenges that handheld devices provide for computer forensics. Compare the forensic tools for UNIX environments (e.g, the Sleuth and TCT) with tools for Windows environments

  Difference between a formal and an informal system

Explain the main reasons that firms implement intranets and one major obstacle to obtaining these benefits also explain the difference between a formal and an informal system.

  Interactions with the systems

Think about a typical day in your life and discuss all the instances when your activities get recorded

  What is cpu utilization for round-robin scheduler

when a process requests for I/O operations, it will suspend and another process will need to be selected for execution. What is the CPU utilization for a round-robin scheduler.

  How many page faults are generated using lru replacement

How many page faults are generated by the following arrayinitialization loops, using LRU replacement, and assuming page frame 1 has the process in it, and the other two are initially empty.

  Explaining first-in-first-out scheduling

Qqueue for service (if the server process is busy servicing another request). Requests in queue are served according to the scheduling policy in use: First-In-First-Out (FIFO) scheduling.

  Creating er diagram

Construct a table for consumer. The manager tells me that this table needs to track the following data: all consumers' social security number, first and last name, address, city,

  Write pseudocode of thread with and without semaphores

Assume we have two threads A and B A and B are to repeatedly print out ping and pong. Write down pseudocode of thread A and B How can this be solved with and without semaphores.

  Information-level design for college requirements

Database at college is needed to support following requirements. Complete information-level design for this set of requirements. Use your own experience to find out any constraints you require which are not stated in problem

  Simulating operating systems scheduling

Simulate the long-term scheduler, the short-term scheduler and the I/O scheduler of the computer using the First-Come-First-Serve algorithm.

  Security of information and data in an organization

The final security measure my company implements well is monitoring internet usage through limiting the access for most workers to search websites that are not related to the company.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd