If the deferred update recovery technique is used, discuss the state of each transaction and give...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
If the deferred update recovery technique is used, discuss the state of each transaction and give the value of database item, and then give the value of database item, after the recovery has processed. start_transaction (T₁) write_item(T₁, D, 20) commit(T₁) checkpoint start_transaction(T4) write_item(T4, B, 15) commit(T4) start_transaction(T₂) write_item(T2, B, 12) start_transaction (T3) write_item(T3, A, 30) write_item(T2, D, 25)System crash If the deferred update recovery technique is used, discuss the state of each transaction and give the value of database item, and then give the value of database item, after the recovery has processed. start_transaction (T₁) write_item(T₁, D, 20) commit(T₁) checkpoint start_transaction(T4) write_item(T4, B, 15) commit(T4) start_transaction(T₂) write_item(T2, B, 12) start_transaction (T3) write_item(T3, A, 30) write_item(T2, D, 25)System crash
Expert Answer:
Answer rating: 100% (QA)
STEP BY STEP ANSWER Defered recovery All transaction updates are recordedin the local transaction wo... View the full answer
Related Book For
Database System Concepts
ISBN: 9780078022159
7th Edition
Authors: Abraham Silberschatz, Henry F. Korth, S. Sudarshan
Posted Date:
Students also viewed these databases questions
-
Find the following for the vectors v = 2i+ 3j - 6k and u = 5i + 12j. a. vu, |v|, |u| b. the cosine of the angle between v and u c. the scalar component of u in the direction of v d. the vector proju...
-
The following additional information is available for the Dr. Ivan and Irene Incisor family from Chapters 1-5. Ivan's grandfather died and left a portfolio of municipal bonds. In 2012, they pay Ivan...
-
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...
-
Reflect on the key elements of an effective professional development program. List the top three elements that must be included in an effective professional development program. Does your school's...
-
A company issued bonds during the year. Would this be reported as a source or use of cash on the statement of cash flows? In which section would it be reported?
-
European Styles, Inc. manufactures womens blouses of one quality, which are produced in lots to fill each special order. Its customers are department stores in various cities. European Styles sews...
-
What are the key components of the Facilities Element? Give examples.
-
Presented below are selected transactions at Ingles Company for 2010. Jan. 1 Retired a piece of machinery that was purchased on January 1, 2000.The machine cost $62,000 on that date. It had a useful...
-
A uniform ladder has a mass of 16.0 kg and a length of 8.50 m. It stands on the ground and leans against a vertical wall, making an angle of 62.0 with the ground. The friction between the wall and...
-
The Royal Seas Company runs a three-night cruise to the Caribbean from Port Canaveral. The company wants to run TV ads promoting its cruises to high-income men, high-income women, and retirees. The...
-
Draw the Lewis structure with the atoms arranged as HClO. Do not draw Cl with an expanded octet. The formal charge on an atom =number of valence electrons number of nonbonding electrons 1/2 the...
-
Indicate whether each of the following statements is true or false by writing T or F i n t he a nswer c olumn. The tenants rights in rented property are superior to those of the landlord.
-
Indicate whether each of the following statements is true or false by writing T or F i n t he a nswer c olumn. A tenant can legally occupy a landlords property only with the consent of the landlord.
-
Explain s everal re asons for te rmination of l eases.
-
Indicate whether each of the following statements is true or false by writing T or F i n t he a nswer c olumn. A landlord is liable for all injuries that occur on the leased premises.
-
Indicate whether each of the following statements is true or false by writing T or F i n t he a nswer c olumn. A tenant usually has the right to assign or sublease the leased property with the...
-
The correct statement(s) related to oxoacids of phosphorous is(are) (A) Upon heating, H3PO3 undergoes disproportionation reaction to produce H3PO4 and PH3. (B) While H3PO3 can act as reducing agent,...
-
Write the binomial probability in words. Then, use a continuity correction to convert the binomial probability to a normal distribution probability. P(x 110)
-
Construct a schema diagram for the bank database of Figure 2.18. Figure 2.18 branch(branch_name, branch_city, assets) customer (ID, customer_name, customer_street, customer_city) loan (loan_number,...
-
Consider a database for an airline where the database system uses snapshot isolation. Describe a particular scenario in which a non serializable execution occurs, but the airline may be willing to...
-
Consider the bank database of Figure 16.9, where the primary keys are underlined. Construct the following SQL queries for this relational database. a. Write a nested query on the relation account to...
-
A picture is taken of a man performing a pole vault, and the minimum radius of curvature of the pole is estimated by measurement to be \(4.5 \mathrm{~m}\). If the pole is \(40 \mathrm{~mm}\) in...
-
Determine the displacement of end \(\mathrm{C}\) of the 100 -mm-diameter solid circular shaft. The shaft is made of steel having a modulus of elasticity of \(E=200 \mathrm{GPa}\). B C -2 m- 1 m- x2 6...
-
Determine the equation of the elastic curve and the maximum deflection of the cantilever beam. A x L Wo
Study smarter with the SolutionInn App