Question: Whats the difference between correlated and uncorrelated subqueries?

What’s the difference between correlated and uncorrelated subqueries?

Step by Step Solution

★★★★★

3.45 Rating (174 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

When an uncorrelated subquery is processed the inner ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Document Format (2 attachments)

PDF file Icon

1803_60b8c1212a339_716698.pdf

180 KBs PDF File

Word file Icon

1803_60b8c1212a339_716698.docx

120 KBs Word File

Students Have Also Explored These Related Oracle 12c SQL Questions!

Q:

What is a correlated subquery? Give an example.

Q:

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

Q:

Explain the relationship between EXISTS and correlated subqueries.

Q:

What s the difference between a single - row subquery and a multiple - row subquery? If a subquery is used in the FROM clause of a query, how are the subquery s results referenced in other clauses of...

Q:

A. What is the difference between correlated and non-correlated subqueries? B. What are the differences between procedures and functions? Q4. What's wrong in the following Query SELECT student_ID,...

Q:

Describe how the query contained in the common table expression (CTE) works. Are correlated or uncorrelated subqueries leveraged? Are the query results filtered? If yes, how are the results filtered?...

Q:

WHY ARE CORRELATED SUBQUERIES TYPICALLY LESS EFFICIENT THAN UNCORRELATED SUBQUERIES? A . CORRELATED SUBQUERIESR RETURN MANY VALUES, BUT UNCORRELATED SUBQUERIES RETURN ONLY ONE VALUE

Q:

DROP TABLE Sells; DROP TABLE Offers; DROP TABLE Store_location; DROP TABLE Alternate_name; DROP TABLE Product; DROP TABLE Currency; DROP TABLE Shipping_offering; CREATE TABLE Currency ( currency_id...

Q:

DROP TABLE Sells; DROP TABLE Offers; DROP TABLE Store_location; DROP TABLE Alternate_name; DROP TABLE Product; DROP TABLE Currency; DROP TABLE Shipping_offering; CREATE TABLE Currency ( currency_id...

Q:

C)9% D) 11% You invest $100 in a complete portfolio. The complete portfolio is composed of a risky asset with an expected rate of return of 12% and a standard deviation of 15% and a treasury bill...

Q:

What is the relative importance of ROI to a public relations client?

Q:

Find f, and fy 3x2 4y? f(x, y) 2 + 3 2 +

Q:

Money market funds invest mostly in Group of answer choices short - term securities . long - term bonds. real estate. stocks .

Q:

7 Political campaigns may use psychographic analyses. Conduct research on the marketing strategies a candi- date used in a recent, major election. How did the cam- paign segment voters in terms of...

Q:

In Figure 17.5, do we have a loop problem if we change the hub in one of the LANs to a link-layer switch? Figure 17.5 Figure 17.5 Loop problem in a learning switch a. Station A sends a frame to...

Q:

What is the difference between a forwarding port and a blocking port?

Q:

In Figure 17.5, do we have a loop problem if we change each hub in the LANs to a link-layer switch? Figure 17.5 Figure 17.5 Loop problem in a learning switch a. Station A sends a frame to station D...

Q:

Economics The following data table relates to the supply schedule of a product. Quantity Supplied Price ($ Per Unit) ( Units Per Week) 5 100 10 200 15 250 20 300 25 350 30 500 Over which of the...

Q:

IN PYTHON Write a function named "loadStateDict(filename) that takes a filename and returns a dictionary of 2-character state codes and state names. The file has four columns and they are separated...

Q:

Hercules Exercise Equipment Co. purchased a computerized measuring device two years ago for $58,000. The equipment falls into the five-year category for MACRS depreciation and can currently be sold...