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प्रश्न
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”);
उत्तर
Year: 1979
Month: 11
Day: 26
Month Name: November
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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"?
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.
The char() function in MySql is an example of ______.
Which command is used to delete a table? (in SQL)
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 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) = ______.
Name a function of MySQL which is used to remove trailing and leading spaces from a string.
What will be returned by the given query? SELECT MID('BoardExamination', 2, 4) = ______.
What will be returned by the given query? SELECT INSTR('INFORMATIONFORM', 'FOR') = ______.
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?
The string function that returns the index of the first occurrence of substring is ______.
What is the general format of UPPER() return type?
Which statement is used to count the number of rows in table?
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 output produced by the following SQL statement:
SELECT LENGTH("Informatics Practices");
Write the output produced by the following SQL statement:
SELECT LEFT("INDIA", 3), RIGHT("Computer Science", 4), MID("Informatics", 3, 4), SUBSTR("Practices", 3);
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;
Which one of the following functions are used to find the largest value from the given data in MySQL?
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:
Round off the value 23.78 to one decimal place.
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.
MID()
Explain the following SQL function using a suitable example.
DAYNAME()
Explain the following SQL function using a suitable example.
POWER()