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पाठ्यक्रम

Write the output of the queries (i) to (iv) based on the table, WORKER given below: TABLE: WORKER W_ID F_NAME L_NAME CITY STATE 102 SAHIL KHAN KANPUR UTTAR PRADESH 104 SAMEER - Computer Science (Python)

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प्रश्न

Write the output of the queries (i) to (iv) based on the table, WORKER given below:

TABLE: WORKER

W_ID F_NAME L_NAME CITY STATE
102 SAHIL KHAN KANPUR UTTAR PRADESH
104 SAMEER PARIKH ROOP NAGAR PUNJAB
105 MARY JONES DELHI DELHI
106 MAHIR SHARMA SONIPAT HARYANA
107 ATHARVA BHARDWAJ DELHI DELHI
108 VEDA SHARMA KANPUR UTTAR PRADESH
  1. SELECT F_NAME, CITY FROM WORKER ORDER BY STATE DESC;
  2. SELECT DISTINCT (CITY) FROM WORKER;
  3. SELECT F_NAME, STATE FROM WORKER WHERE L_NAME LIKE '_HA%';
  4. SELECT CITY, COUNT(*) FROM WORKER GROUP BY CITY;
लघु उत्तरीय

उत्तर


  1. F_Name City
    MARY DELHI
    ATHARVA DELHI
    MAHIR SONIPAT
    SAMEER ROOP NAGAR
    SAHIL KANPUR
    VEDA KANPUR
  2. DISTINCT(CITY)
    KANPUR
    ROOP NAGAR
    DELHI
    SONIPAT

  3. F_Name STATE
    SAHIL UTTAR PRADESH
    MAHIR HARYANA
    ATHARVA DELHI
    VEDA UTTAR PRADESH

  4. CITY COUNT(*)
    KANPUR 2
    DELHI 1
    ROOP NAGAR  2
    SONIPAT 1
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SQL for Data Query
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
Q 26.b
2022-2023 (March) Set 4

APPEARS IN

2022-2023 (March) Set 4 (with solutions)
Q 26.b | 2 marks

संबंधित प्रश्न

Which of the following is not a comparison query?


Which function is used with the ORDER BY clause to custom sort order?


Consider the following SQL.

SELECT ______ FROM Employee WHERE Dept= 'Printing';

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Which of the following is not true for SQL?


Which constraint ensures that a column cannot have NULL values where NULL means missing/unknown/not applicable value?


Which constraint ensures that all the values in a column are distinct/unique?


How will you retrieve all details of employee_detail table?


Activity table is related to student table and every student has been asked to enroll for minimum 2 activities. While checking the records select student id from activity; lots of duplicate entries were found as students are enrolling for more than one activity. It is becoming difficult to understand who all have still not enrolled for any activity. We can use ______ clause with student_id to resolve the issue.


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Write the output produced by the following SQL statement:

SELECT POW(2, 3);


Consider the following MOVIE table and write the SQL query based on it.

MovieID MovieName Category ReleaseDate ProductionCost BusinessCost
001 Hindi_Movie Musical 2018-04-23 124500 130000
002 Tamil_Movie Action 2016-05-17 112000 118000
003 English_Movie Horror 2017-08-06 245000 360000
004 Bengali_Movie Adventure 2017-01-04 72000 100000
005 Telugu_Movie Action - 100000 -
006 Punjabi_Movie Comedy - 30500 -

List business is done by the movies showing only MovieID, MovieName, and Total_Earning. Total_ Earning to be calculated as the sum of ProductionCost and BusinessCost.


Consider the following MOVIE table and write the SQL query based on it.

MovieID MovieName Category ReleaseDate ProductionCost BusinessCost
001 Hindi_Movie Musical 2018-04-23 124500 130000
002 Tamil_Movie Action 2016-05-17 112000 118000
003 English_Movie Horror 2017-08-06 245000 360000
004 Bengali_Movie Adventure 2017-01-04 72000 100000
005 Telugu_Movie Action - 100000 -
006 Punjabi_Movie Comedy - 30500 -

List the different categories of movies.


Consider the following MOVIE table and write the SQL query based on it.

MovieID MovieName Category ReleaseDate ProductionCost BusinessCost
001 Hindi_Movie Musical 2018-04-23 124500 130000
002 Tamil_Movie Action 2016-05-17 112000 118000
003 English_Movie Horror 2017-08-06 245000 360000
004 Bengali_Movie Adventure 2017-01-04 72000 100000
005 Telugu_Movie Action - 100000 -
006 Punjabi_Movie Comedy - 30500 -

Find the net profit of each movie showing its MovieID, MovieName, and NetProfit. Net Profit is to be calculated as the difference between Business Cost and Production Cost.


Consider the following MOVIE table and write the SQL query based on it.

MovieID MovieName Category ReleaseDate ProductionCost BusinessCost
001 Hindi_Movie Musical 2018-04-23 124500 130000
002 Tamil_Movie Action 2016-05-17 112000 118000
003 English_Movie Horror 2017-08-06 245000 360000
004 Bengali_Movie Adventure 2017-01-04 72000 100000
005 Telugu_Movie Action - 100000 -
006 Punjabi_Movie Comedy - 30500 -

List MovieID, MovieName, and Cost for all movies with ProductionCost greater than 10,000 and less than 1,00,000.


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  1. Display the MatchID of all those matches where both teams have scored more than 70.
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Using the sports database containing two relations (TEAM, MATCH_DETAILS) and write the Query for the following:

Display the MatchID and date of matches played by Team 1 and won by it.


Using the sports database containing two relations (TEAM, MATCH_DETAILS) and write the Query for the following:

Display the MatchID of matches played by Team 2 and not won by it.


Write the outputs of the SQL queries (i) to (iv) based on the relations COMPUTER and SALES given below:

Table: COMPUTER
PROD_ID PROD_NAME PRICE COMPANY TYPE
P001 MOUSE 200 LOGITECH INPUT
P002 LASER PRINTER 4000 CANON OUTPUT
P003 KEYBOARD 500 LOGITECH INPUT
P004 JOYSTICK 1000 IBALL INPUT
P005 SPEAKER 1200 CREATIVE OUTPUT
P006 DESKET PRINTER 4300 CANON OUTPUT
Table: SALES
PROD_ID QTY_SOLD QUARTER
P002 4 1
P003 2 2
P001 3 2
P004 2 1
  1. SELECT MIN(PRICE), MAX(PRICE) FROM COMPUTER;
  2. SELECT COMPANY, COUNT(*) FROM COMPUTER GROUP BY COMPANY HAVING COUNT(COMPANY) > 1;
  3. SELECT PROD_NAME, QTY_SOLD FROM COMPUTER C, SALES S WHERE C.PROD_ID=S.PROD_ID AND TYPE = 'INPUT';
  4. SELECT PROD_NAME, COMPANY, QUARTER FROM COMPUTER C, SALES S WHERE C.PROD_ID=S.PROD_ID;

The code given below reads the following records from the table employee and displays only those records that have employees coming from the city 'Delhi':

E_code - String
E_name - String
Sal - Integer
City - String

Note the following to establish connectivity between Python and MySQL:

  • Username is root
  • Password is root
  • The table exists in a MySQL database named emp.
  • The details (E_code,E_name,Sal,City) are the attributes of the table.

Write the following statements to complete the code:

Statement 1 - to import the desired library.

Statement 2 - to execute the query that fetches records of the employees/coming from the city ‘Delhi’.

Statement 3 - to read the complete data of the query (rows whose city is Delhi) into the object named details, from the table employee in the database.

import ____________ as mysql  #Statement 1
def display():
   mydb=mysql.connect(host="localhost",user="root"
   passwd="root", database=" emp")
   mycursor=mydb.cursor()
   ____________ #Statement 2
   details = ____________ # Statement 3
   for i in details:
       print (i)

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CID CNAME AGE GENDER SPORTS PAY DOAPP
5246 AMRITA 35 FEMALE CHESS 900 2006- 03-27
4687 SHYAM 37 MALE CRICKET 1300 2004- 04-15
1245 MEENA 23 FEMALE VOLLEYBALL 1000 2007- 06-18
1622 AMRIT 28 MALE KARATE 1000 2007- 09-05
1256 AMINA 36 FEMALE CHESS 1100 2003- 08-15
1720 MANJU 33 FEMALE KARATE 1250 2004- 04-10
2321 VIRAT 35 MALE CRICKET 1050 2005- 04-30
  1. SELECT COUNT(DISTINCT SPORTS) FROM CLUB;
  2. SELECT CNAME, SPORTS FROM CLUB
    WHERE DOAPP<"2006-04-30" AND CNAME LIKE "%NA";
  3. SELECT CNAME, AGE, PAY FROM CLUB WHERE GENDER = "MALE" AND PAY BETWEEN 1000 AND 1200;

Consider the tables PRODUCT and BRAND given below:

Table: PRODUCT
PCode PName UPrice Rating BID
P01 Shampoo 120 6 M03
P02 Toothpaste 54 8 M02
P03 Soap 25 7 M03
P04 Toothpaste 65 4 M04
P05 Soap 38 5 M05
P06 Shampoo 245 6 M05
Table: BRAND
BID BName
M02 Dant Kanti
M03 Medimix
M04 Pepsodent
M05 Dove

Write SQL queries for the following:

  1. Display product name and brand name from the tables PRODUCT and BRAND.
  2. Display the structure of the table PRODUCT.
  3. Display the average rating of Medimix and Dove brands.
  4. Display the name, price, and rating of products in descending order of rating.

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