Give example schedules to show that with key-value locking, if lookup, insert, or delete does not lock

Question:

Give example schedules to show that with key-value locking, if lookup, insert, or delete does not lock the next-key value, the phantom phenomenon could go undetected.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Database System Concepts

ISBN: 9780078022159

7th Edition

Authors: Abraham Silberschatz, Henry F. Korth, S. Sudarshan

See More Books

Question Posted: Jun 13, 2022 07:09 AM

See More Questions

Give an example of a fermentation that does not employ substrate-level phosphorylation. How is energy conserved in this fermentation?
Give an example to show that if R and S are both n-ary relations, then Pi1,i2,...,im(R S) may be different from Pi1,i2,...,im(R) Pi1,i2,...,im(S).
Give an example of managerial accounting information that could help a manager make each of the following decisions. 1. The president of Bridge Rent-a-Car is deciding whether to add luxury cars to...
Describe the three ways a client can reference a name from a namespace in C++.
When 70 convicted embezzlers were randomly selected, the mean length of prison terms was found to be 22.1 months and the standard deviation was 8.6 months (based on data from the U.S. Department of...
The distinctly blue shade of a blue spruce results from the scattering of light by small waxy particles that coat the leaves. Explain how this scattering can protect the leaves from damage by...
Water flows over a broad-crested weir that has a width of $4 \mathrm{~m}$ and a height of $P_{w}=1.5 \mathrm{~m}$. The free-surface well upstream of the weir is at a height of $0.5 \mathrm{~m}$...
1. The number of issued shares is shown in the first column of the statement of stockholders equity. Had Lowes issued more or fewer shares of common stock than The Home Depot at the end of Fiscal...
For the following scenario, I need you to answer the following questions to. Be sure to cite the authority that supports your analysis for each question. Also, cite 2 scriptures in the Bible that...
Mr B aged 52 years, has earned rupees 75,00,000 out of his business. His ex-wife gifted him a car worth rupees 8 lakh. He spent a total of rupees 20 lakh during a family trip. He won a lottery of 16...
Many transactions update a common item (e.g., the cash balance at a branch) and private items (e.g., individual account balances). Explain how you can increase concurrency (and throughput) by...
Explain the reason for the use of degree-two consistency. What disadvantages does this approach have?
Lime (CaO) is usually added to the blast furnace in the metallurgy of iron where it reacts with impurities present in iron ore. What of the following best describes its function? (a) CaO acts as an...
An arc-welding operation on nickel performs a groove weld, whose cross-sectional area = 29 mm 2 . Travel velocity = 3.9 mm/s. Heat transfer factor = 0.83 and melting factor = 0.64. Determine the rate...
In project management, organisational structure plays a vital role in determining how projects are planned, executed, and controlled. Unlike traditional hierarchical structures, the matrix structure...
Relate the Gaps model to some of the examples from the session 1 discussion. Which gaps (or lack thereof) contributed to either good or bad service experiences? Which gaps are the most or least...
As a customer service worker, if you saw a co-worker standing around and leaning on a counter, what advice would you give?
Estimate how much collector area and storage capacity would be required for an active solar hot water system designed to supply the total needs for two four-person families, one living in Manchester,...
Let P be the 3 3 permutation matrix such that the product PA permutes the first and third rows of the 3 3 matrix A. (a) Write down P. (b) True or false: The product AP is obtained by permuting the...
Write the expression in radical notation. Then evaluate the expression when the result is an integer. 23 -1/2
Write down the bit pattern in the fraction assuming a floating point format that uses Binary Coded Decimal (base 10) numbers in the fraction instead of base 2. Assume there are 24 bits, and you do...
Write down the bit pattern assuming that we are using base 15 numbers in the fraction instead of base 2. (Base 16 numbers use the symbols 09 and AF. Base 15 numbers would use 09 and AE.) Assume there...
Write down the bit pattern assuming that we are using base 30 numbers in the fraction instead of base 2. (Base 16 numbers use the symbols 09 and AF. Base 30 numbers would use 09 and AT.) Assume there...
As of June 30, Year 1, the bank statement showed an ending balance of $16,878. The unadjusted Cash account balance was $15,239. The following information is available: 1. Deposit in transit, $2,190....
Superior Company provided the following data for the year ended December 31 (all raw materials are used in production as direct materials): Selling expenses Purchases of raw materials Direct labor...
Marin Company produces two software products (Cloud-X and Cloud-Y) in two separate departments (A and B). These products are highly regarded network maintenance programs. Cloud-X is used for small...

Give example schedules to show that with key-value locking, if lookup, insert, or delete does not lock

Question:

Step by Step Answer:

In the nextkey locking technique every index lookup or insert o...View the full answer

Database System Concepts

Students also viewed these Computer science questions