Answer:
Explanation:
Duplicate tuples are not allowed in a relation because the specifications of the constraints of the regional integrity are violated, especially the main constraint that states that there can be no identical values for the attributes of two tuples at any database relation state.
Also, duplicate tuples are not allowed in a relation due to the fact that they lead to redundancy of the data base which in turn, slowing down the speed of the database when data processing such as inserting, querying, updating, deleting, etc are being performed.
Answer:
focuses on a certain subject
Explanation:
it means that it focuses on that one subject and none others
Hope it helps c:
Answer:
Following are the python code to print the given pattern:
print('FOURTH') # using print method
for i in range(10): #using loop to count numbers
for j in range(10-i): # use loop to print asterisk value in reverse order
print("*", end=" ") #print value
print("") #using print method for space
Output:
Please find the attachment.
Explanation:
The description of the above python program can be described as follows:
- In the first line, use the print method, that print message "FOURTH".
- In the next line, two for loop is used in which the first loop counts the number to be print value, inside the loop another for loop is used.
- In this loop, it prints asterisk values in its reverse order and for new lines, it will use the print method with a single white space.
False......................
Answer:
The correct option to the following question is D.).
Explanation:
SDLC stands for the System Development Life Cycle.
The aim of the SDLC is to produce the high quality of the software that exceeds or meets the reaches completions and customers' expectations with costs and time expectations.
Software Development Life Cycle is the frameworks that defining the task performed at each of the steps in software development process.
