Explain the difference between a regular subquery and a correlated subquery.

Question:

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Database Systems Design Implementation and Management

ISBN: 978-1285196145

11th edition

Authors: Carlos Coronel, Steven Morris

See More Books

Question Posted: Dec 03, 2014 08:56 AM

See More Questions

Explain the difference between a regular credit default swap and a binary credit default swap.
Explain the difference between a closed economy and an open economy. Explain also how the pursuit of internal equilibrium will be different between two types of the economies.
Explain the difference between a government-owned corporation and a not-for-profit corporation.
Define a passive portfolio construction strategy and briefly discuss how reasonable it might be for an investor to pursue a passive strategy. Explain the role of risk aversion in the construction of...
Paul consumes only two goods, pizza (P) and hamburgers (H) and considers them to be perfect substitutes, as shown by his utility function: U(P, H) = P + 4H. The price of pizza is $3 and the price of...
Nature supplies examples that violate VSEPR. Consider the two molecules shown below. Their correct shapes are indicated. (a) What is the steric number for the central atom for both molecules? (b)...
Affording a Steinway. A Steinway concert grand piano cost $13,500 in 1976. A similar Steinway cost $139,500 in 2007. Has the cost of the piano gone up or down in real terms? Using Table 16.1, give a...
Cabot Appliances, a retail chain, is trying to decide what size order it should place with its supplier of room air conditioners. Room air conditioner sales are highly seasonal, and the number of...
Andrea, a self-employed individual, wishes to accumulate a retirement fund of $700,000. How much should she deposit each month into her retirement account, which pays interest at a rate of 3.5%/year...
A steel column of hollow circular cross section is supported on a circular steel base plate and a concrete pedestal (see figure). The column has outside diameter d = 250 mm and supports a load P =...
What is a correlated subquery? Give an example.
The relational set operators UNION, INTERSECT, and MINUS work properly only if the relations are union-compatible. What does union-compatible mean, and how would you check for this condition?
Intel, the worlds largest microprocessor chip company, lists the following balance sheet items for January 1, 2012 (in millions): Property, plant, and equipment, at cost $58,073 Short-term...
Photon Technologies, Inc., a manufacturer of batteries for mobile phones, signed a contract with a large electronics manufacturer to produce three models of lithium-ion battery packs for a new line...
Mastery Problem: Capital Investment Analysis HomeGrown Company HomeGrown Company is a chain of grocery stores that are similar to indoor farmer's markets, providing fresh, local produce, meats, and...
McDonald's and CSR There more than 32,000 restaurants around the world (www.aboutmcdonalds.com/etc/medialib/csr/docs. that carry the McDonald's label and logo. As such, they...
Smartwatch Based on a survey by Consumer Technology Association, smartwatches are used in 18% of U.S. households. Find the probability that a randomly selected U.S. household has no smartwatches.
Suppose you wanted to purchase a commercial real estate property thats valued at $ 1 , 0 0 0 , 0 0 0 . You could secure financing from a traditional bank, which provides you with $ 7 5 0 , 0 0 0 ....
Describe the similarities and differences of the terms: cultural sensitivity, culturally effective care, cultural intelligence, cultural humility, cultural proficiency, cultural competency, and...
The pendulum consists of two rods: AB is pin supported at A and swings only in the y-z plane, whereas a bearing at B allows the attached rod BD to spin about rod AB. At a given instant, the rods have...
Show, for a gas obeying the state equation \[p v=(1+\alpha) \Re T\] where $\alpha$ is a function of temperature alone, that the specific heat at constant pressure is given by \[c_{p}=-\Re T...
Describe the differences inmeaning between the terms relation and relation schema. Illustrate your answer by referring to your solution to Exercise below. Student ( student - id , name, program)...
Design a relational database corresponding to the E-R diagram of Figure. model year address Ticense driver-id name location car owns report-number uOSAad date accident participated driver...
In Chapter we saw how to represent many-to-many, many-to-one, one-tomany, and one-to-one relationship sets. Explain how primary keys help us to represent such relationship sets in the relational...
You are the digital marketing director for High West fashions, a regional clothing company that specializes in custom t-shirts. Your company has decided to launch an online advertising campaign that...
In-the-money put options will automatically get exercised at the expiration. True OR False
Which of the following examples of business-use property is NOT eligible for Section 1231 treatment when sold at a gain? * Sale of land held for three years. Net gain from a casualty gain on a dump...

Explain the difference between a regular subquery and a correlated subquery.

Question:

Step by Step Answer:

A regular or uncorrelated subquery executes before the outer query It executes only once and the ...View the full answer

Database Systems Design Implementation and Management

Students also viewed these Computer Sciences questions