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प्रश्न
Write suitable SQL query for the following:
Remove all the expected leading and trailing spaces from a column userid of the table ‘USERS’.
उत्तर
select trim(userid) from users;
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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"?
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)
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 power(3, 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.
"COUNT" keyword belongs to which categories in Mysql?
What will be returned by the given query? SELECT DAYOFYEAR('2015-01-10') = ______.
Which of the following is not a date function?
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 name of the functions to perform the following operation:
To display your name in capital letters.
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”);
Which type of values will not be considered by SQL while executing the following statement?
SELECT COUNT(column name) FROM inventory;
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:
Round off the value 23.78 to one decimal place.
Explain the following SQL function using a suitable example.
MID()
Which function returns the sum of all elements of a list?
