Where can sub queries be placed in a sql select statement

Assignment Help Database Management System
Reference no: EM131060216

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: EM131060216

Questions Cloud

Effectiveness as a negotiator in your personal life : Question 4: We are beginning to discuss negotiating your way from confrontation to cooperation this week in our analysis of the introduction to Getting Past No, by William Ury (Part I: Prologue 15-28). Please rate your effectiveness as a negotiato..
Conduct an in-depth analysis of the country : Conduct an in-depth analysis of the country you have chosen for the feasibility project. This analysis should include a written description - Country background and history.
How did you create a module or method in quicklab : How did you create a ‘module' or ‘method' in QuickLab? Provide your screenshot! How did you document your program (Provide your example--codes or screenshot?
Determining the management information systems : What do you understand by Management Information Systems? Give a clear outlay of the management Information that a company may employ
Where can sub queries be placed in a sql select statement : 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?
Each project consists of primary and secondary roles : Each project consists of primary and secondary roles that vary based on the project's characteristics. Describe one primary or secondary role you have held on a project, and share your views on how your role impacted the project.
What most popular item in terms of number of times borrowed : What is the most popular item in terms of the number of times borrowed? What is the average cost of Taylor Swift's albums, including CDs and DVDs? Round a number to 2 decimal places.
Lifting off the ground : Assume the car is traveling at a constant speed and the coefficient of of static friction between the car and road is great enough so that is no possibility of the car slipping. What is the fastest the car can travel without any of the tires lifti..
Tips for writing papers for humanities : 1) Brainstorm before you start writing the paper. Sit down and get all of your thoughts out on paper before you begin to organize them. For any of the topics I would start with a blank page for each of the texts and brainstorm all the ways I can t..

Reviews

Write a Review

Database Management System Questions & Answers

  Write sql statements to calculate average salary

Write SQL statements that do the following: Calculate the average salary for all employees. Calculate the maximum salaries for exempt and non-exempt employees.

  Use of databases and data communication technologies

Discuss with your team how the bookstores use the Internet and if they use collaboration technology. The use of databases and data communication technologies

  Create an xy plot of ecg vs. time

Create an XY plot of ECG vs. time, and place the plot on the Plots worksheet. Give the plot an appropriate title and labels for axes, and adjust various parameters of the plot to make it look pleasing and professional. Resize it to approximately..

  Explain use of sequential file over database

Explain these situations. When would the database be more beneficial than sequential file? Is it possible for two kinds of permanent storage to be used interchangeably?

  Database management system and database design

To what extent should end users be involved in the selection of a database management system and database design

  Create an entity-relationship diagram

Create an Entity-Relationship (E-R) Diagram relating the tables of your database schema through the use of graphical tools in Microsoft Visio or an open source alternative such as Dia

  Create the erd containing all primary keys, foreign keys

A tiny college wants to keep track of the history of all administrative appointments (date of appointment and date of termination) (hint: time variant data are at work)

  Define security threats as it relate to the operating system

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 how you have represented weak entities

Describe how you have represented weak entities, if any exist and describe how you have represented super type and subtype entities, if any exist.

  Create link list in adt to maintain employee information

Create a link list in ADT c to maintain employee information like name,empid,basic salary and address.1.add employee info to the list if the empid is valid.

  Explore ways of converting depositors to borrowers

Universal Bank is a young bank growing rapidly in overall customer acquisition. The majority of these customers are depositors with varying sizes of relationship with the bank. The customer base of borrowers is quite small, and the bank is interes..

  Design a suitable database system

Design a suitable database system with a suitable web based front end, which should include the following details :The web based interface should hab=ve necessary forms and fields to update student attendence,marks ,faculty profile,faculty workshops ..

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