What type of data model used in marts to improve performance

Assignment Help Database Management System
Reference no: EM131132441

1) Where can sub queries be placed in a SQL select statement?

2) What tables are good candidates for indexes and what type of indexes would you place on those tables?

3) What type of data model is used in data marts to improve performance?

Reference no: EM131132441

Questions Cloud

What is the optimal number of casino visits : An imaginary Missouri town is thinking about giving tax subsides for a casino project. What is the optimal number of Casino visits from the Casino's perspective
What are some of the benefits of animal research : What are some of the benefits of animal research? What are some of its drawbacks? Do you anticipate a time when we will no longer use animals in scientific research?
Calculate the f statistic from the value of r2 : Similarly, calculate the F statistic from the value of R2 obtained in the earnings function fitted using your EAEF data set and check that it is equal to the value printed in the output. Perform an appropriate F test.
Describe the concept behind the value expectancy theory : Describe the concept behind the value expectancy theory. Provide a relevant example of one of the three theories that are associated. Describe where they can be (or have been) seen in health promotion.
What type of data model used in marts to improve performance : Where can sub queries be placed in a SQL select statement? What tables are good candidates for indexes and what type of indexes would you place on those tables? What type of data model is used in data marts to improve performance?
What percentage of the variation in sleep is explained : What percentage of the variation in sleep is explained by the three X-variables? (Write your answer below and underline in STATA output)
Interpretation of the coefficients and perform t tests : Provide an interpretation of the coefficients and perform t tests on them.
Create example model of relationship using mysq workbench : Come up with an original example of a one to many unary relationship. Create an example model of this relationship using the MySQL Workbench data modeler.
What is the moment of inertia of the rod : The rope slips out of Bubba's hands. The hay bale starts to swing. How long does it take for the hay bale to swing to the farthest distance from where it started (the farthest distance across the barn)?

Reviews

Write a Review

Database Management System Questions & Answers

  Working database that supports the tables

The students are lodged in one of four houses, with a designated professor in change of each house. But, since some professors, such as Snape, have some problems standing some students, such as Harry, you should keep track of that too.

  How protocol ensures serializability and deadlock freedom

To lock any other vertex, the transaction must have visited all the parents of that vertex and must be having a lock on one of the parents of the vertex. Show that the protocol ensures serializability and deadlock freedom.

  Write an anonymous block that places a substitution variable

Write an anonymous block that places a substitution variable (&) into a local variable of type varchar2. You will need to convert the types and round them to nearest tens unit

  Create a local database that will synchronize data

In the prior phase, you started work on some of the application's graphical user interface (GUI). In this assignment, you will add a data entry form to the GUI and create a local database that will synchronize data to the isolated storage containe..

  Prepare a systems proposal

Prepare a Systems Proposal that includes an executive summary and a problem statement. Refer to the guidelines and recommended format for the systems proposal.

  Write three items contained in fat database

What does CHS stand for? List three items contained in the FAT database. List two features NTFS provides that FAT does not.

  Find the entities from the functional requirements

Find the entities from the functional requirements. Entities can come from Nouns in the text, they may also come from forms, reports and legacy code.

  Database implementation and queries please tell me howmuch

please tell me howmuch it costs and please give me some discount as this is the second time i am

  In the response to this forum note that you have

in the response to this forum note that you have successfully installed the product and what you experienced in the

  Stack and queue data structure

Identify and explain the differences between a stack and a queue data structure

  Part ause the prime minister database primeminister2013sql

part ause the prime minister database primeminister2013.sql available from the interact site. answer the following

  Primary keys and indexes

Primary Keys and Indexes

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!

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