Question: Execute the following two SQLs. Which one is faster than the other to produce the output? Explain why one is faster than the other?

Execute the following two SQLs. Which one is faster than the other to produce the output? Explain why one is faster than the other? 1 EXPLAIN PLAN FOR SELECT S.sid, S. fname, S.age FROM student S WHERE S.sid = '009624'; SELECT * FROM TABLE (DBMS_XPLAN.display); 2 EXPLAIN PLAN FOR SELECT S.sid, S. fname, S.age FROM student S WHERE S.fname = 'Roma'; SELECT FROM TABLE (DBMS_XPLAN.display);

Step by Step Solution

★★★★★

3.48 Rating (141 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Based on the image youve provided youre asking about two SQL queries and want to compare their performance using the EXPLAIN PLAN feature of Oracle Da... View full answer

Question Has Been Solved by an Expert!

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

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

PROBLEM TWO (MAX POINTS - A: 15; B:15) Jeff Poster is the proud Postmaster for Stinking Creek, Tennessee. The Post Office processes mail on a daily basis seven days a week, although the Post Office's...

Planning is one of the most important management functions in any business. A front office managers first step in planning should involve determine the departments goals. Planning also includes...

THIRD AVENUE SOFTWARE HEALTH-CARE APP PROJECT This case is new for the ninth edition of Information Technology Project Management . The case provides an opportunity to apply agile and Scrum...

1. Execute the following two SQLs. Which one is faster than the other to produce the output? Explain why one is faster than the other? (you may have to zoom in. Sorry) 1. 2. LSELECT cols.table nae...

Choose the new media category. The new media is revolutionizing this generation we live in. I chose new media because it helps spread information and news virally and efficiently. Prompt Through the...

execute the following two SQL. which one is faster than the other to produce the output? explain why one is faster than the other ? this is the table 1. Execute the following two SQLs. Which one is...

Lab01 (20 points) Preliminary Login into Linux machine (oraclelinux.eng.fau.edu) .Connect to database (e.g, sqlplus username/password) ALTER SESSION SET CURRENT SCHEMA:YANGK .Change line size: SET...

Developments in Technology Light is incident from air on the end face of a multimode optical fibre at angle of incidence as shown below. n n 1 2 The refractive indices of the core and cladding are...

Need to describe two separate potential solutions to illustrate how this disparity may be rectified and explain why you think your potential solutions would be effective. I may create my own...

uestion: 1. IN A STOCK ACQUISITION ACCOUNTED FOR BY THE EQUITY METHOD, A PORTION OF THE PURCHASE PRICE OFTEN IS ATTRIBUTABLE TO GOODWILL OR TO SPECIFIC ASSETS OR LIABILITIES. HOW OR UNDER WHAT BASIS...

Describe how a bank should apply an objective credit scoring model when evaluating consumer loan requests. Given the information in Exhibits 15.10 and 15.11 and in the text, indicate why you would or...

Did the innkeeper statute protect the hotel? David Powers liked to wager. He and a friend arrived at the Hilton Casino in Atlantic City for a two-day stay. It was Powers fourth visit to the hotel....

Problem # 7 : Evaluate the following integral, S ( x 2 + y 2 + z 2 ) d S where S i s the part o f the cylinder x 2 + y 2 = 2 5 between the planes z = 0 and z = 4 , together with its top and bottom...

Dalton's Products manufactures a single product. Cost, sales, and production information for the company and its single product is as follows: Selling price per unit is $65 Variable manufacturing...

R. J. Graziano Wholesale Corp. uses the LIFO method of inventory costing. In the current year, profit at R. J. Graziano is running unusually high. The corporate tax rate is also high this year, but...

To raise operating funds, National Distribution Center sold its office building to an insurance company on January 1, 2018, for $800,000 and immediately leased the building back. The operating lease...

Record the following transactions of Fashion Park in a general journal. Fashion Park must charge 8 percent sales tax on all sales. The company uses the perpetual inventory system. DATE TRANSACTIONS...

To raise operating funds, National Distribution Center sold its office building to an insurance company on January 1, 2011, for $800,000 and immediately leased the building back. The operating lease...

Which of the following constitutes a loss of employment under the Worker Adjustment and Retraining Notification (WARN) Act?an extended leave period of more than 10 weeksa layoff exceeding six monthsa...

Cedar Corporation has an S corporation election in effect. During the 2012 calendar tax year, the corporation had ordinary taxable income of $200,000, and on January 15, 2012, the corporation paid...

Jerry made the following contributions during 2012: His synagogue (by check).....................................................$680 The Democratic Party (by check)...

Sherry rents her vacation home for 6 months and lives in it for 6 months during the year. Her gross rental income during the year is $4,000. Total real estate taxes for the home are $950, and...

The Baily Hill Bicycle Shop sells mountain bikes and offers a maintenance program to its customers. The manager has found the average repair bill during the maintenance programs first year to be...

An analysis performed by Hewitt Associates indicated the median amount saved in a 401(k) plan by people 50 to 59 years old was $53,440. The average saved is $115,260 for that age group. Assume the...

A year-old study found that the service time for all drive-thru customers at the Stardust Coffee Shop is uniformly distributed between 3 and 6 minutes. Assuming the service time distribution has not...