Question: Suppose you are given a database schema and some queries that are executed frequently. How would you use the above information to decide what indices

Suppose you are given a database schema and some queries that are executed frequently. How would you use the above information to decide what indices to create?

Step by Step Solution

★★★★★

3.38 Rating (157 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Write explain in front of your query The result will tell y... 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 Database System Concepts Questions!

Suppose you are given the following information about a particular industry: Assume that all firms are identical, and that the market is characterized by perfect competition. a) Find the equilibrium...

Suppose you are given six resistors with respective resistances 1, 2, 3, 4, 5 and 6. How should you connect them in a tetrahedral network (one resistor per wire) so that a light bulb on the wire...

Suppose you are given n different springs. In which order should you connect them to unit masses so that the mass-spring chain vibrates the fastest? Does your answer depend upon the relative sizes of...

The purpose of this assignment is to give you practical experience with a relational database management system, namely the well-known and popular MySQL. In this assignment you are given a database...

Database Administration CHAPTER OBJECTIVES I Understand the need for and importance of database I ttno'illI the meaning of ACID transaction administralin - Learn the tour 1992 ANSI standard isolation...

Can I get the answer to these question. Answer should be according to the marking guide ASSESSMENT DESCRIPTION: This assessment is an individual design and implementation of a document database. A...

Instructions: two written paragraphs for each numbered question, 10 sentences per paragraph. providing good support from Chapter 6 helps strengthen your answer, opinions are welcomed. 1. what type of...

a2.sql ----------------------------------------------------------------------------- -- Add below your SQL statements. -- You can create intermediate views (as needed). Remember to drop these views...

PLEASE READ CAREFULLY THE CASE STUDY PROVIDED AND FEEL FREE TO ADD HERE YOUR COMMENTS FOR EXAMPLE LIKES DISLIKES WORDS OR PHRASES YOU DO NOT UNDERSTAND ANY COMMENTS THAT WILL IMPROVE THE DIALOGUE...

The assignment specification The java file JabberServer.java package com.bham.fsd.assignments.jabberserver; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet;...

8 ABC are three partners sharing profit and loss equally. The firm decides to give only 1/5th share of profit to C in future due to his illness. on the date of change in the profit sharing ratio the...

On the basis of the following stockholders?? equity accounts, indicate the items, exclusive of net income, to be reported on the statement of cash flows. There were no unpaid dividends at either the...

On a given day a stock dealer maintains a bid price of $ 1 , 0 1 0 . 5 0 for a bond and an ask price of $ 1 , 0 1 4 . 5 0 . The dealer made 2 7 trades that totaled 1 , 3 5 0 bonds traded that day....

11. Do you favor debt forgiveness to all DVCs, just the poorest ones, or none at all? What incentive problem might debt relief create? Would you be willing to pay $20 a year more in personal income...

The LinkedPositionalList implementation of Code Fragments 7.97.12 does not do any error checking to test if a given position p is actually a member of the relevant list. Give a detailed explanation...

Suppose we want to extend the PositionalList abstract data type with a method, findPosition(e), that returns the first position containing an element equal to e (or null if no such position exists)....

Suppose we want to extend the PositionalList abstract data type with a method, indexOf(p), that returns the current index of the element stored at position p. Show how to implement this method using...

Consider the unadjusted trial balance of London, inc. at December 31,2023 , and the related month-end adjustment data. fClick the loon to Verw the month-end adfustment data \}) Requirements 1....

A BBB-rated corporate bond has a yield to maturity of 12.2%. A U.S. treasury security has a yield to maturity of 10.4%. These yields are quoted as APRs with semiannual compounding. Both bonds pay...

8 ANSWER Which orle of the following statements w cortect? Multipie Choice All of the major stoen exchanges r US tixed The Chicago Stock Exchange is a deales market OTC markets have a physical...