Concurrency control is important for which of the following reasons?

A To ensure data integrity when updates occur to the database in a multiuser environment
B To ensure data integrity when updates occur to the database in a single-user environment
C To ensure data integrity while reading data occurs to the database in a multiuser environment
D To ensure data integrity while reading data occurs to the database in a single-user environment

Correct Answer: To ensure data integrity when updates occur to the database in a multiuser environment

Bissoy MCQ
#Database #Data And Database Administration

Related Questions

Which of the following is not a factor in determining the concurrency control behavior of SQL Server?
A Lock level
B Transaction isolation level
C Cursor concurrency setting
D Locking hints
Which type of SQL Server cursor concurrency places an update lock on a row when the row is read?
A READ_ONLY
B SCROLL_LOCK
C OPTIMISTIC
D READCOMMITTED
The voltage control in electric supply networks in required on account of which of the following reasons ?
A Adjustment of voltage at consumers premises within statutory limits
B Control of active and reactive power
C Adjustment of short period daily and seasonal voltage variations in accordance with variations of load
D All of the above
Due to which of the following reasons excessive bond width in control systems should be avoided ?
A It leads to slow speed of response
B It leads to low relative stability
C Noise is proportional to band width
D None of the above
In pneumatic control systems the control valve used as final control element converts
A Pressure signal to electric signal
B Pressure signal to position change
C Electric signal to pressure signal
D Position change to pressure signal
Two important rivers - one with its source in Jharkhand (and known by a different name in Odisha), and another, with its source in Odisha - merge at a place only a short distance from the coast of Bay of Bengal before flowing into the sea. This is an important site of wildlife and biodiversity and a protected area. Which one of the following could be this?
A Bhitarkanika
B Chandipur-on-sea
C Gopalpur-on-sea
D Simlipal
In the guidance of learning a teacher has many important roles. Which one of the following is the least important aspect of the teacher's role in the guidance of learning?
A The provision of continuous diagnostic and remedial help
B The forestalling of habits
C The provision of encouragement and moral support
D The development of insight into what constitute the pitfalls and danger to be avoided
Which of the following are the reasons for which Wahabi / Walliullah movement was started?
A Spreading education among Muslim women
B Encouraging to give up puradh system
C Reviving Muslim principles in response to western influences
D Propagating Quran as the only source
The recent industrial investment hike has a taken place for which of the following reasons?
A to counter sdverse-impact of the post -MFA quota phase -out
B higher investment in the textile industry
C low interest tate and owower inflation rate
D I &II only
According to the author, people rush to the city for the following reasons except one. Which one?
A To steal
B To do politics
C To work
D To collect tolls

Next steps