मराठी

Write the outputs of the SQL queries based on the relations Teacher and Placement given below: Table: Teacher T_IDNameAgeDepartmentDate_of_joinSalaryGender1Arunan34Computer Sc2019-01-1012000M - Computer Science (Python)

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प्रश्न

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;
थोडक्यात उत्तर

उत्तर


  1. Department Avg(Salary)
    Computer Sc 16500.00
    History 30000.00
    Mathematics 25000.00

  2. Max(Date_of_Join) Min(Date_of_Join)
    2021-09-05 2017-03-04

  3. Name Salary Department Place
    Randeep 30000 Mathematics Jaipur
    Samira 40000 History Ahmedabad
    Raman 25000 Mathematics Jaipur
    Shyam 30000 History Ahmedabad
    Shiv 21000 Computer Sc Nagpur

  4. Name Place
    Samira Ahmedabad
    Suman Ahmedabad
    Shalaka Jaipur
shaalaa.com
Functions in SQL
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2022-2023 (March) Sample

संबंधित प्रश्‍न

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


______ keyword is used to find out the number of values in a column?


Which of the following belongs to an "aggregate function"?


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:


What will be the output of the following SQL statement? 

SELECT DAY NAME (2022-04-08) 


Assertion (A): COUNf function ignores DISTINCT

Reason (R): DISTINCT ignores the duplicate values.


Identify Single Row function of MySQL among the following.


What will be returned by the given query? Select round(23456.1234, -2) = ______.


What will be returned by the given query? select mid("Computer", 2, 4) = ______.


What will be returned by the given query? select substr("Computer", 4) = ______.


What will be returned by the given query? select power(3, 2) = ______.


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


What will be returned by the given query? SELECT RIGHT("LEFT", 2) = ______.


Name a function of MySQL which is used to remove trailing and leading spaces from a string.


"COUNT" keyword belongs to which categories in Mysql?


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 DAYOFYEAR('2015-01-10') = ______.


Which of the following is not a date function?


Which of the following is not a text function?


What is the general format of UPPER() return type?


Which statement is used to count the number of rows in table?


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


Write the name of the functions to perform the following operation:

To display the day like “Monday”, and “Tuesday”, from the date when India got independence.


Write the name of the functions to perform the following operation:

To display the specified number of characters from a particular position of the given string.


Write the name of the functions to perform the following operation:

To display the name of the month in which you were born.


Write the name of the functions to perform the following operation:

To display your name in capital letters.


Write the output produced by the following SQL statement:

SELECT ROUND(342.9234, -1);


Write the output produced by the following SQL statement:

SELECT    YEAR(“1979/11/26”),
MONTH(“1979/11/26”),    DAY(“1979/11/26”), MONTHNAME(“1979/11/26”);


Write the output produced by the following SQL statement:

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


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


Which type of values will not be considered by SQL while executing the following statement?

SELECT COUNT(column name) FROM inventory;


If column “Fees” contains the data set (5000,8000,7500,5000,8000), what will be the output after the execution of the given query?

SELECT SUM (DISTINCT Fees) FROM student;


Which one of the following functions are used to find the largest value from the given data in MySQL?


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


Write outputs for SQL queries that are based on the given table PURCHASE:

TABLE: PURCHASE
CNO CNAME CITY QUANTITY DOP
C01 GURPREET NEW DELHI 150 2022-06-11
C02 MALIKA HYDERABAD 10 2022-02-19
C03 NADAR DALHOUSIE 100 2021-12-04
C04 SAHIB CHANDIGARH 50 2021-10-10
C05 MEHAK CHANDIGARH 15 2021-10-20
  1. SELECT LENGTH(CNAME) FROM PURCHASE WHERE QUANTITY>100;
  2. SELECT CNAME FROM PURCHASE WHERE MONTH(DOP) = 3;
  3. SELECT MOD (QUANTITY, DAY(DOP)) FROM PURCHASE WHERE CITY = ‘CHANDIGARH’;

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.


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.

TRIM()


Explain the following SQL function using a suitable example.

MID()


Explain the following SQL function using a suitable example.

POWER()


Shreya, a database administrator has designed a database for a clothing shop. Help her by writing answers to the following questions based on the given table:

TABLE: CLOTH
CCODE CNAME SIZE COLOR PRICE DOP
C001 JEANS XL BLUE 990 2022-01-21
C002 T-SHIRT M RED 599 2021-12-12
C003 TROUSER M GREY 399 2021-11-10
C004 SAREE FREE GREEN 1299 2019-11-12
C005 KURTI L WHITE 399 2021-12-07
  1. Write a query to display cloth names in lowercase.
  2. Write a query to display the lowest price of the clothes.
  3. Write a query to count the total number of clothes purchased in medium size.
    OR
    Write a query to count the year-wise total number of clothes purchased.

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