Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask DBMS Expert


Home >> DBMS

Q1. Describe the concepts of Horizontal Fragmentation and Vertical Fragmentation.

Q2. Why do we need a two-level recovery method for multi-database transactions? In brief describe the two phases of two-phase commit protocol.

Q3. Compare and contrast the given:

  • Commit and Roll-back.
  • Redo and Undo.

Q4. prepare brief notes on any three of the given:

a) Categories of Data models.

b) By using Heuristics in the Query optimization.

c) Distributed Databases.

d) Web Databases.

DBMS, Programming

  • Category:- DBMS
  • Reference No.:- M910675

Have any Question? 


Related Questions in DBMS

Application creating and populating a databasesuppose you

Application: Creating and Populating a Database Suppose you have a small retail store and decide to create a database to track sales. You have information about recent sales that you want to use for testing the database. ...

A quick guide to pivot tables is found at the end of this

A "Quick Guide to Pivot Tables" is found at the end of this document. Review it BEFORE beginning the questions. The data for this exercise (structured as a flat file) can be found in an Excel workbook located on Blackboa ...

Realtor database data redundancy and anomaliesbullconduct

Realtor Database: Data Redundancy and Anomalies • Conduct an in-depth examination and analysis of the database, Realtor.accdb. Apply the concepts of database systems that you have learned this week. For example, you may ...

Project guidelinesoverviewthe final project for this course

Project Guidelines Overview The final project for this course is the creation of a database proposal and implementation plan report that will address the needs of a given scenario. The purpose of this assessment is to as ...

Part aexercise 1 data scienceread the article at

Part A Exercise 1: Data Science Read the article at http://datascience.berkeley.edu/about/what-is-data-science/ and answer the following: What is Data Science? According to IBM estimation, what is the percent of the data ...

Db questions1 what is a consistent database state and how

DB QUESTIONS 1. What is a consistent database state, and how is it achieved? 2. List and discuss the five transaction properties. 3. What is a transaction log, and what is its function? 4. What is a deadlock, and how can ...

List the different types of locks used by dbms systems and

List the different types of locks used by DBMS systems and explain how they differ from each other. Additionally, suggest the suitable scenario for each of them. 400 to 500 words, at least 4 references with one website r ...

Data mining is a powerful and tool but it poses challenges

Data mining is a powerful and tool, but it poses challenges to the protection of individual privacy. Data mining can combine information from many sources to create detailed profiles about each of us. Explore the Web sit ...

Itech 1006 - database management systems

ITECH 1006 - Database Management Systems Assignment Overview For this assignment you will implement and query a database from a supplied ER Diagram and Schema. You will be required to write the SQL statements to create t ...

Questionwrite a 2 to 3 page essay describing the use of an

Question: Write a 2 to 3 page essay describing the use of an OLAP Data Cube. Your essay should also describe the operations of Drill Down, Roll Up, Slice, and Dice. Video: What is Business Intelligence and an OLAP Cube? ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate