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प्रश्न
Write the output produced by the following SQL statement:
SELECT LEFT("INDIA", 3), RIGHT("Computer Science", 4), MID("Informatics", 3, 4), SUBSTR("Practices", 3);
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उत्तर
The result of the given query is shown below:
- IND
- ence
- form
- actices
APPEARS IN
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?
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 that will give the output as:
| Name |
| Anand |
| Chetan |
| Geet |
| Preeti |
(i) select Name from student where Class ='XI' and Class='XII';
(ii) select name from student where not Class='XI' and Class='XII';
(iii) select name from student where City="Agra" or City="Mumbai";
(iv) select name from student where City in("Agra", "Mumbai");
Choose the correct option:
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 ______.
Identify Single Row function of MySQL among the following.
What will be returned by the given query? select day of year('2015-02-10') = ______.
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 ______.
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.
Which function is used to display the total number of records from a table in a database?
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?
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’.
Write suitable SQL query for the following:
Display the remainder of 100 divided by 9.
Explain the following SQL function using a suitable example.
TRIM()
