Answer:
transaction log.
Explanation:
The information stored in the transaction log is used by the DBMS for a recovery requirement triggered by a ROLLBACK statement, a program's abnormal termination, or a system failure such as a network discrepancy or a disk crash.
Answer:
Virtualization is the technology that is used to create virtual representation and version of the different devices like software, many storage devices and server.
It also help in organize the working framework where the structure isolates the asset into at least one execution situations.
The benefits of using the virtualization on the single machine are:
- The virtualization increased the productivity when it used in the cluster environment.
- We can able to access the different resources faster.
- The data center management is simple while using the virtualization in the cluster environment.
The drawback of using virtualization on single machine are:
- The virtual machine is less efficient as compared to the real machines.
- The virtual machine indirectly access the computer hardware system so that is why it is less efficient and also consume more power to run the system.
Answer:
In a Scrum project, the work or the tasks are not allotted specifically. The Scrum Master is not allowed to assign tasks to the team members under any circumstance. Once the client provides the details regarding their requirements in detail, the tasks are distributed based on the expertise and skills of the employee.
Explanation:
Definition of Grit. According to researchers at the University of Penn- sylvania, grit is defined as "perseverance and passion for long-term goals.” Grit involves working strenuously to- ward challenges, maintaining effort and interest over years despite failure, adversity, and plateaus in progress.
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Answer:
See explaination
Explanation:
def readFileFirstLast(filename):
# doc string
''' Function accept the filename and opens the fle
and reads all lines and strips new line character and
stores first and last in a string and return that string'''
#eception handle if file not found
try:
#opening the file
f = open(filename)
#reading the first line and striping the ne line
string = f.readline().strip()
#iterating until last line
for line in f:
pass
#concate the last line after strip the new line character to the string
string = string + " " + line.strip()
#return the string
return string
except:
#if file not found
return "File not found"
#taking the file name from user
filename = input("Enter a file name: ")
#printing the doc string in function
print("\ndoc_sting: \n"+ readFileFirstLast.__doc__+"\n")
#printing the returned string by calling the readFileFirstLast()
print("output string :")
print(readFileFirstLast(filename))
