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प्रश्न
Write suitable SQL query for the following:
Display 7 characters extracted from the 7th left character onwards from the string ‘INDIA SHINING’.
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उत्तर
select mid('INDIA SHINING',7,7);
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संबंधित प्रश्न
The MAX () function finds the
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.
What will be returned by the given query? select mid("Computer", 2, 4) = ______.
What will be returned by the given query? select day of year('2015-02-10') = ______.
What will be returned by the given query? SELECT MID('LeaminglsFun', 2, 4) = ______.
The ______ function returns m raised to the nth power.
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?
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 name of the month in which you were born.
Write the output produced by the following SQL statement:
SELECT LENGTH("Informatics Practices");
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”);
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'):
m = m +s[i-1]
elif (s[i].isupper()):
m = m + s[i].lower()
else:
m = m +'&'
print(m)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 is not an aggregate function?
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?
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 |
- Display gender-wise highest marks.
- Display city-wise lowest marks.
- 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.
Explain the following SQL function using a suitable example.
UCASE()
Explain the following SQL function using a suitable example.
TRIM()
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 |
- Write a query to display cloth names in lowercase.
- Write a query to display the lowest price of the clothes.
- 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.
Which function returns the sum of all elements of a list?
