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Write the output produced by the following SQL statement: SELECT ROUND(342.9234, -1); - Computer Science (Python)

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प्रश्न

Write the output produced by the following SQL statement:

SELECT ROUND(342.9234, -1);

एका वाक्यात उत्तर
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उत्तर

The result of the given query is 340.

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Functions in SQL
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पाठ 9: Structured Query Language (SQL) - Exercise [पृष्ठ १७७]

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एनसीईआरटी Computer Science [English] Class 12
पाठ 9 Structured Query Language (SQL)
Exercise | Q 2. b) | पृष्ठ १७७

संबंधित प्रश्‍न

______ is used to get a specified day of the month for a given date.


Which method is used to get the row-id of the last modified row?


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:


Which of the following is not an aggregate function?


Identify Single Row function of MySQL among the following.


What will be returned by the given query? Select length(trim("ABC Public School")) = ______.


What will be returned by the given query? SELECT MID('LeaminglsFun', 2, 4) = ______.


The ______ function returns m raised to the nth power.


Name a function of MySQL used to give position of the first occurrence of a string2 in string1.


What will be returned by the given query? SELECT INSTR('INFORMATIONFORM', 'FOR') = ______.


Which of the following is not a date function?


Which of the following is not a text function?


Which function will be used to remove only the trailing spaces from a string?


The string function that returns the index of the first occurrence of substring is ______.


Site any two differences between Single Row Functions and Aggregate Functions.


Write the output produced by the following SQL statement:

SELECT    LEFT("INDIA", 3),    RIGHT("Computer Science", 4),    MID("Informatics", 3, 4), SUBSTR("Practices", 3);


Which function is used to display the total number of records from a table in a database?


Write the outputs of the SQL queries based on the relations Teacher and Placement given below:

Table: Teacher

T_ID Name Age Department Date_of_join Salary Gender
1 Arunan 34 Computer Sc 2019-01-10 12000 M
2 Saman 31 History 2017-03-24 20000 F
3 Randeep 32 Mathematics 2020-12-12 30000 M
4 Samira 35 History 2018-07-01 40000 F
5 Raman 42 Mathematics 2021-09-05 25000 M
6 Shyam 50 History 2019-06-27 30000 M
7 Shiv 44 Computer Sc 2019-02-25 21000 M
8 Shalakha 33 Mathematics 2018-07-31 20000 F

Table: Placement

P_ID Department Place
1 History Ahmedabad
2 Mathematics Jaipur
3 Computer Sc Nagpur
  1. SELECT Department, avg(salary) FROM Teacher GROUP BY Department;
  2. SELECT MAX(Date_of_Join), MIN(Date_of_Join) FROM Teacher;
  3. SELECT Name, Salary, T.Department, Place FROM Teacher T, Placement P WHERE T.Department = P.Department AND Salary>20000;
  4. SELECT Name, Place FROM Teacher T, Placement P WHERE Gender = ’F’ AND T.Department = P.Department;

In SQL, which function is used to display the current date and time?


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:

Display the position of occurrence of the string ‘COME’ in the string ‘WELCOME WORLD’.


Write suitable SQL query for the following:

Display the remainder of 100 divided by 9.


Explain the following SQL function using a suitable example.

UCASE()


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