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प्रश्न
Write the output produced by the following SQL statement:
SELECT LENGTH("Informatics Practices");
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उत्तर
The result of the given query is 21.
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संबंधित प्रश्न
Which method is used to get the row-id of the last modified row?
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:
Assertion (A): COUNf function ignores DISTINCT
Reason (R): DISTINCT ignores the duplicate values.
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Predict the output of the code given below:
s="welcome2cs"
n = len(s)
m=""
for i in range(0, n):
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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 +'&'
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SELECT SUM (DISTINCT Fees) FROM student;
In SQL, which function is used to display the current date and time?
Write suitable SQL query for the following:
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Write suitable SQL query for the following:
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Write suitable SQL query for the following:
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TRIM()
Explain the following SQL function using a suitable example.
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Explain the following SQL function using a suitable example.
DAYNAME()
