Related Questions

Which of the following is the preferred way to recover a database after a system failure?
A Rollback
B Rollforward
C Switch to duplicate database
D Reprocess transactions
In each of the following sentences, some part or the entire sentence is quotation. Scoliosis, 'a condition when spine curves abnormally and throws the body out of line', can cause heart and lung problems as well as physical deformity.
A a condition when the spine curves abnormally and throws the body out of line
B an abnormal curvature of the spine that throws the body of line
C a condition of the spine curving abnormally and in which the body is thrown
D where the body is thrown out of line by an abnormal curvature of the spine
In 'Dengue Fever', which blood cell decreases abnormally?
A Red cell
B Platelet
C Hemoglobin
D White cell
In induction heating __________ is abnormally high.
A Phase angle
B Frequency
C Current
D Voltage
In an enterprise-class database system, business users interact directly with database applications, which directly access the database data.
A True
B False
In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data.
A True
B False
In _________ operation, the chip thickness is minimum at the beginning of the cut and it reaches to the maximum when the cut terminates.
A Conventional milling
B Climb milling
C Face milling
D End milling
Which of the following occurs when a transaction rereads data it has previously read and finds modification or deletions caused by a committed transaction?
A Nonrepeatable read
B Phantom read
C Dirty read
D Consistent read
Which of the following occurs when a transaction rereads data and finds new rows that were inserted by a command transaction since the prior read?
A Nonrepeatable read
B Phantom read
C Dirty read
D Consistent read
A phantom read occurs when a transaction rereads data it has previously read and finds modifications or deletions caused by a committed transaction.
A True
B False

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