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प्रश्न
Write the name of the functions to perform the following operation:
To display your name in capital letters.
उत्तर
UCASE( ) or UPPER( )
APPEARS IN
संबंधित प्रश्न
______ keyword is used to find out the number of values in a column?
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.
Which of the following is not an aggregate function?
The char() function in MySql is an example of ______.
Which command is used to delete a table? (in SQL)
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 day of year('2015-02-10') = ______.
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) = ______.
What will be returned by the given query? SELECT MID('LeaminglsFun', 2, 4) = ______.
"COUNT" keyword belongs to which categories in Mysql?
What will be returned by the given query? SELECT MID('BoardExamination', 2, 4) = ______.
What will be returned by the given query? SELECT DAYOFYEAR('2015-01-10') = ______.
Which of the following is not a date function?
Which function will be used to remove only the trailing spaces from a string?
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 output produced by the following SQL statement:
SELECT ROUND(342.9234, -1);
Write the output produced by the following SQL statement:
SELECT LENGTH("Informatics Practices");
Which function is used to display the total number of records from a table in a database?
Differentiate between count() and count(*) functions in SQL with appropriate examples.
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 |
- SELECT Department, avg(salary) FROM Teacher GROUP BY Department;
- SELECT MAX(Date_of_Join), MIN(Date_of_Join) FROM Teacher;
- SELECT Name, Salary, T.Department, Place FROM Teacher T, Placement P WHERE T.Department = P.Department AND Salary>20000;
- SELECT Name, Place FROM Teacher T, Placement P WHERE Gender = ’F’ AND T.Department = P.Department;
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;
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:
Display 7 characters extracted from the 7th left character onwards from the string ‘INDIA SHINING’.
Write suitable SQL query for the following:
Display the position of occurrence of the string ‘COME’ in the string ‘WELCOME WORLD’.
Explain the following SQL function using a suitable example.
TRIM()
Explain the following SQL function using a suitable example.
DAYNAME()
Which function returns the sum of all elements of a list?
