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Readme [11.4K]
3 years ago
11

The first query is computationally less expensive than the second query. (Assume no indexes exist on release_date.) Query 1: SEL

ECT DISTINCT(release_date) FROM books; Query 2: SELECT release_date FROM books;True or false?
Computers and Technology
1 answer:
sdas [7]3 years ago
7 0

Answer:

false

Explanation:

The term 'computationally expensive' means that a given mathematical function, code or an algorithm has high computational complexity. In addition, the mathematical function or algorithm will require several steps and procedures to be completed. Based on this, the statement made in this question is not true.

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Assume that you have an array of integers named arr. Which of these code segments print the same results?
tresset_1 [31]

Answer:

II and III only

Explanation:

In Code segment II, the output of the array will be started form arr[0] and ends at the arr[length]. Because loop starts from 0 and ends at length of array. This will print the full array data.

In code segment III, the output will be all values of array as loop starts form first index and ends at last index.

On the other hand I code segment prints all array values except last value of the array. As the loop shows that, it will terminate at second last value of the array.

4 0
3 years ago
The elements of an integer-valued array can be set to 0 (i.e., the array can be cleared) recursively as follows: An array of siz
marta [7]

Answer:.......

void clear(int *array, int length){

 

  if (length == 0)return;  

 

  array[0] = 0;  

 

  clear(array + 1, length-1);

}

Explanation:

The void function accepts an integer array.

7 0
4 years ago
Data management technology consists of the: Group of answer choices physical hardware and media used by an organization for stor
Illusion [34]

Answer:

software governing the organization of data on physical storage media.

Explanation:

Data management platform can be regarded as a foundational system utilized in collection and analyzing of large volumes of data across an organization. Data management encompass some variety of interrelated functions, the basic technology that is been utilized in

deployment and administering databases is regarded as database management system. Database technologies collect, store and also organize information then process it o that a user can easily finds needed details when they need it . It should be noted that Data management technology consists of the software governing the organization of data on physical storage media.

7 0
3 years ago
A company that provides finance services wants to shift to a mobile platform. What is the major advantage that the users of the
juin [17]
I think it is b but double check
6 0
3 years ago
Read 2 more answers
Please help me with computing!
Sladkaya [172]

Answer:

ok i help

Explanation:

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