मराठी

Which one of the following is not an aggregate function?

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प्रश्न

Which one of the following is not an aggregate function?

पर्याय

  • ROUND()

  • SUM()

  • COUNT()

  • AVG()

MCQ
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उत्तर

ROUND()

shaalaa.com
Functions in SQL
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2022-2023 (March) Sample

संबंधित प्रश्‍न

Consider the table STUDENT given below:

RollNo Name Class DOB Gender City Marks
1 Anand XI 6/6/97 M Agra 430
2 Chetan XII 7/5/94 M Mumbai 460
3 Geet XI 6/5/97 F Agra 470
4 Preeti XII 8/8/95 F Mumbai 492
5 Saniyal XII 8/10/95 M Delhi 360
6 Maakhiy XI 12/12/94 F Dubai 256
7 Neha X 8/12/95 F Moscow 324
8 Nishant X 12/6/95 M Moscow 429

State the command that will give the output as:

Name
Anand
Chetan
Geet
Preeti

(i) select Name from student where Class ='XI' and Class='XII';

(ii) select name from student where not Class='XI' and Class='XII';

(iii) select name from student where City="Agra" or City="Mumbai";

(iv) select name from student where City in("Agra", "Mumbai");

Choose the correct option:


Consider the table STUDENT given below:

RollNo Name Class DOB Gender City Marks
1 Anand XI 6/6/97 M Agra 430
2 Chetan XII 7/5/94 M Mumbai 460
3 Geet XI 6/5/97 F Agra 470
4 Preeti XII 8/8/95 F Mumbai 492
5 Saniyal XII 8/10/95 M Delhi 360
6 Maakhiy XI 12/12/94 F Dubai 256
7 Neha X 8/12/95 F Moscow 324
8 Nishant X 12/6/95 M Moscow 429

State the command to display the average marks scored by students of each gender who are in class XI?

(i) Select Gender, avg(Marks) from STUDENT where Class= "XI" group by Gender;

(ii) Select Gender, avg(Marks) from STUDENT group by Gender where Class="XI";

(iii) Select Gender, avg(Marks) group by Gender from STUDENT having Class="XI";

(iv) Select Gender, avg(Marks) from STUDENT group by Gender having Class = "XI";

Choose the correct option:


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SELECT LENGTH("Informatics Practices");


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SELECT    LEFT("INDIA", 3),    RIGHT("Computer Science", 4), 


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Differentiate between count() and count(*) functions in SQL with appropriate examples.


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SELECT COUNT(column name) FROM inventory;


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Based on the table STUDENT given here, write suitable SQL queries for the following:

Roll No Name Class Gender City Marks
1 Abhishek XI M Agra 430
2 Prateek XII M Mumbai 440
3 Sneha XI F Agra 470
4 Nancy XII F Mumbai 492
5 Himanshu XII M Delhi 360
6 Anchal XI F Dubai 256
7 Mehar X F Moscow 324
8 Nishant X M Moscow 429
  1. Display gender-wise highest marks.
  2. Display city-wise lowest marks.
  3. Display the total number of male and female students.

Write suitable SQL query for the following:

Round off the value 23.78 to one decimal place.


Write suitable SQL query for the following:

Remove all the expected leading and trailing spaces from a column userid of the table ‘USERS’.


Explain the following SQL function using a suitable example.

UCASE()


Explain the following SQL function using a suitable example.

MID()


Explain the following SQL function using a suitable example.

DAYNAME()


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