Describe the importance of using sub queries in a database

Assignment Help Database Management System
Reference no: EM131694052

"Advanced SQL and PL / SQL" Please respond to the following:

Extracting and interpreting data can be very valuable to an organization. Describe the importance of using sub queries in a database system. Provide at least two business case scenarios to support your response.

A good IT professional is able to be versatile in SQL programming styles. Identify at least two possible advantages of utilizing PL / SQL instead of standard SQL Syntax.

Explain whether either syntax provides enhanced code processing capabilities with examples. Note: The Strayer Oracle Server may be used to test and compile the SQL Queries developed.

Reference no: EM131694052

Questions Cloud

Describe a business scenario : Describe a business scenario where a UNION relational set operator may be used to merge two similar data sets.
What kinds of resistance might the leader expect to see : What kinds of resistance might the leader expect to see? Identify and explain five kinds of resistance. How can managers effectively address this conflict?
Calculate margin and asset turnover for each product line : Prepare a segment margin income statement for Shoe Shock's two distribution channels - Calculate the margin and asset turnover for each product line.
Prepare the production budget : Soft Pillows Unlimited makes decorative throw pillows for home use. Prepare the production budget
Describe the importance of using sub queries in a database : Extracting and interpreting data can be very valuable to an organization. Describe the importance of using sub queries in a database system.
What is the probability that estimated proportion is less : If the true proportion of transactions that had errors was 6% that day, what is the probability that the estimated proportion is less than 5%?
Prepare single-step income statement : Prepare single-step income statement for 2018, including EPS disclosures. Prepare multiple-step income statement for 2018, including EPS disclosures
What is the maximum force developed by muscle : Consider a muscle that has a volume of 20 cm3 with the fibers aligned with the direction of the tendon A. What is the maximum force developed by this muscle?
Probability for sample mean within particular range : Assuming that 52 miles per gallon is the population mean and 2.4 miles per gallon is the population standard deviation.

Reviews

Write a Review

Database Management System Questions & Answers

  What type of databases and database servers myspace use

What kind of databases and database servers does MySpace use? Why is database technology so important for a business such as MySpace?

  Create one record in the section table

Create one record in SECTION table as follows with Instructor field value as your actual name. Review information about students and courses they have taken.

  Compose conceptual data modeling techniques

Explain the fundamentals of how data is physically stored and accessed and compose conceptual data modeling techniques that capture information requirements - design a relational database so that it is at least in 3NF.

  What is a relational database

What is a relational database, the purpose and function of relationships? What is the relevance of primary keys?

  Advantages of a database management to file processing

How will wireless information appliances and services affect the business use of the Internet and the Web? Explain.

  Draw the general hardware company entity-relational diagram

Draw the General Hardware Company Entity-Relational diagram. Choose a primary key for each of the relations. Choose foreign key(s) for each of the relations.

  Your database has been a hit you have been called back to

your database has been a hit. you have been called back to the customers headquarters and they want a detailed report

  Identify the primary key of mpd

Create a SQL Select Query to pull Product_ID, Product_Description and Units_Sold for Product 85773 from the CSS.Sales table. Hint: do not use the CSS prefix in your query

  Create a tree that models of the scenario

Create a tree that models the following scenario. A player decides to play a maximum of 4 times, betting on red each time. The player will quit after losing twice. In the tree, any possible last plays will be an ending point of the tree.

  Advantages of database management

Discuss the advantages of a database management approach to the file processing approach? Give examples to illustrate your answer.Outline the benefits and limitations of the relational database model for business applications today?

  Database design and sql queries

In assignment 1, you have already started the process of designing a database for the Beauty Salon mini-case (enclosed again below), mainly in the phase of conceptual database design, and a draft ER diagram has been created for this purpose. Here you..

  Print a list of classes that mary calahan will be taking

Print a list of classes that Mary Calahan will be taking and Make a class list for Ocean Ecosytems. Include the instructors name

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