Single-row subquery and a multiple-row subquery

Assignment Help Macroeconomics
Reference no: EM133218328

1. What's the difference between a single-row subquery and a multiple-row subquery?

2. What comparison operators are required for multiple-row subqueries?

3. What happens if a single-row subquery returns more than one row of results?

4. Which SQL clause (s) can't be used in a subquery in the WHERE or HAVING clauses?

5. If a subquery is used in the FROM clause of a query, how are the subquery's results referenced in other clauses of the query?

6. Which query executes first Sub query or Main query?

7. What are the main differences between SELECT startement with GROUP BY and SELECT with SUB QUERY?

8. Can you use Subquery in UPDATE command. Give an example

9. Can you use SUBQUERY in DELETE command? Give an example

10. What type of situation requires using a subquery?

 

 

Reference no: EM133218328

Questions Cloud

What programming is : What programming is and provide at least one example of a program. Additionally, answer the question with relevant justification for your opinion
Choose the logical expression with the same meaning : Domain of discourse is the set of all real numbers. There is a number that is equal to its square. Choose the logical expression with the same meaning
What are the challenges facing the university : a. What opportunities and threats should the university consider as they contemplate on their plan to go into distance education?
Python program that generates report : Python program that generates a report that contains a subset of the data from your database. Print the output to SCREEN.
Single-row subquery and a multiple-row subquery : 1. What's the difference between a single-row subquery and a multiple-row subquery?
How many hits per seoond does the call initiator : Rebecca School MATH 102 How many hits per :seoond does the call initiator need to send? How many bits does each of other N -1 callers need to send?
Draw an erd using chen notation for a video store : Draw an ERD (with attributes)using Chen's Notation for a video store using the following rules:
Discuss the term project management : Question - Discuss the term 'project management'? How does project management differ from project leadership
Activity - research interactive media systems : Describe and summarise the example. keep the description as short as it can be while thoroughly discussing the chosen technique or example.

Reviews

Write a Review

Macroeconomics Questions & Answers

  Inflation targeting be a good policy

Why might it be difficult for the Fed to formally adopt inflation targeting?  Would inflation targeting be a good policy for the Fed in the present economic environment

  In using the taylor rule

In using the Taylor Rule as a guideline for monetary policy, what are the pros and cons of using forecasted values of inflation and output rather than observed values of these variables?

  Describe the present economic crisis situation in europe

Describe the present economic crisis situation in Europe.  Why has it been so difficult for the Europeans to find a solution to this problem?   Comment on what implications the crisis may have for the rest of the world if Europeans are not able to ag..

  Long-term federal government budget problems

Question:. Explain why there are long-term Federal government budget problems. Explain why the base-line forecast of the CBO is misleading.

  Derive and compare demand curve

Question based on Derive and compare demand curve,  Derive Ambrose's demand function for peanuts. How does it compare with Johnny's demand curve for peanuts?

  Problem based on utility function

Problem based on  Utility Function - Problem,  Answer and explain the following using a diagram which is completely labeled.

  Laffer curve : tax rate and tax revenue

Question based on Laffer Curve : Tax Rate and Tax Revenue,  Do raising tax rates necessarily raise tax revenue? What factors affect how tax revenue changes when tax rates change?

  Problem - income elasticity of demand

Problem - Income Elasticity of Demand,  Interpret the following Income Elasticities of Demand (YED) values for the following and state if the good is normal or inferior; YED= +0.5 and YED= -2.5

  Positive balance of payment

Question Positive Balance of Payment: "Things will look good for the US if we could just get to where we are consistently running a positive Balance of Payments."

  Effect of recession on the investment curve

Comment on the effect of a recession on the investment curve (only) and on the level of savings, investment, and the equilibrium real interest rate in the financial crisis that hits United States first starting in fall 2007.

  Affect of falling domestic investment on trade surplus and

How will a fall in domestic investment affect the trade surplus and net capital outflows in the domestic economy, the trade deficit and capital inflows in the rest of the world.

  Crises in the banking sector and bank run

Banking crises crisis decreases depositors' confidence in the banking system. What would be the effect of a rumor about a banking crisis on checkable deposits in such a country?

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