Question: Our discussion of lossless decomposition implicitly assumed that attributes on the left-hand side of a functional dependency cannot take on null values. What could go

Our discussion of lossless decomposition implicitly assumed that attributes on the left-hand side of a functional dependency cannot take on null values. What could go wrong on decomposition, if this property is violated?

Step by Step Solution

★★★★★

3.54 Rating (158 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Decomposition is used to eliminate some of the problems of bad design like anomalies inconsistencies ... 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!

What could go wrong if some software fails? List some examples.

Why should auditors think about what could go wrong in a particular assertion?

implify the left hand side so that L H S = R H S : ( tan ( a )) + ((1)/ (cos ( a )))^ 2= (1+sin(a)) / (1sin(a))

A creative engineer suggests structuring the TLB so that not all the bits of the presented address need match to result in a hit. Suggest how this might be achieved, and what might be the costs and...

s1 educated (SSE) student for every three public school educated (PSE) students. Reasoning that students are not very dissimilar from threads, he suggests the following entry and exit routines be...

This question involves the use of AGGREGATE linear PYTHOIN regression on the Auto data set. (a) Perform a simple linear regression with mpg as the response and horsepower as the predictor. Describe...

answer all questions promptly What is the maximum segment length of a 100Base-FX netdwork,Thelast character('X', etc) refers to the line code method used. Line code is a pattern of voltage, current...

Provide a summary technical report with your own words about Pipelined Execution which is also named as Instruction Level Parallelism, addressing mainly the following areas: 1. What is Pipelined...

This text was adapted by The Saylor Foundation under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License without attribution as requested by the work's original creator or licensee. 1...

Criteria Exemplary 6 points Accomplishe d 4.8 points Developing 3.6 points Beginning Minimum Below Standards 2.4 points 1.2 points Formulated, wrote, interpreted, argued, and evaluated...

We have a differential equation (1-x)y" + xy' - 2y = 0. (a) Find the singular points and classify them (do not worry about what happens as ). (b) Find the Frobenius series around r = 0 corresponding...

What is your long-term career goal for Early Childhood Associate? Describe an experience that shaped your long-term career plans. List up to three achievements or honors, formal or informal, from...

4. In Caymus Companys December 31 trial balance, a credit balance of $31,500 appears in Unearned Fee Income. This amount represents cash received from a customer on November 1 covering work to be...

Harvard economists Alberto Alesina and Paolo Giuliano say that strong family ties imply more reliance on the family as an economic unit that provides goods and services and less on outside...

Show how the extendable hash structure of Exercise changes as the result of each of the following steps: a. Delete 11. b. Delete 31. c. Insert 1. d. Insert 15. Suppose that we are using extendable...

Give pseudocode for deletion of entries from an extendable hash structure, including details of when and how to coalesce buckets. Do not bother about reducing the size of the bucket address table.

Suggest an efficient way to test if the bucket address table in extendable hashing can be reduced in size, by storing an extra count with the bucket address table. Give details of how the count...

Treasury notes and bonds. Use the information in the following table: : . What is the price in dollars of the February 2003 Treasury note with semiannual payment if its par value is $100,000? What is...

Just Dew it Corporation reports the following balance sheet information for 2020 and 2021. Prepare the 2020 and 2021 common-size balance sheets for Just Dew It. (Do not round intermediate...

IRRMutually exclusive projectsBell Manufacturing is attempting to choose the better of two mutually exclusive projects for expanding the firm's warehouse capacity. The relevant cash flows for the...