मराठी

Write outputs for SQL queries that are based on the given table PURCHASE: TABLE: PURCHASE CNO CNAME CITY QUANTITY DOP C01 GURPREET NEW DELHI 150 202 - Informatics Practices

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प्रश्न

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’;
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उत्तर

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Functions in SQL
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2022-2023 (March) Sample

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


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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";

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SELECT    YEAR(“1979/11/26”),
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SELECT    LEFT("INDIA", 3),    RIGHT("Computer Science", 4),    MID("Informatics", 3, 4), SUBSTR("Practices", 3);


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Table: Teacher

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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
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Predict the output of the code given below:

s="welcome2cs" 

n = len(s)
m=""
for i in range(0, n):
       if (s[i] >= 'a' and s[i] <= 'm'):
            m = m +s[i].upper()
 elif (s[i] >= 'n' and s[i] <= 'z'):
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 elif (s[i].isupper()):
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 else:
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print(m)

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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
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Explain the following SQL function using a suitable example.

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