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Can we use this Select salary From employees Where salary>AVG(salary);?
sql
subqueries
1 Vote
12 Answers
21st Nov 2015, 7:32 AM
Akash Potdar
Could multiple rows be updated?
sql
update
1 Vote
2 Answers
19th Nov 2015, 10:50 AM
Akash Potdar
could somebody tell me if mysql is better than sql?
mysql
sql
0 Votes
3 Answers
13th Nov 2015, 2:11 PM
braym chavez
What's the difference between UNION and JOIN?
join
sql
union
1 Vote
7 Answers
12th Nov 2015, 10:17 AM
Sukanya
Can I use the command "show databases" in my sql?
sql
0 Votes
2 Answers
4th Nov 2015, 8:53 AM
Shashank Bhagat
Is there a way to reverse what you update/delete?
delete
sql
update
0 Votes
5 Answers
26th Oct 2015, 8:42 PM
Yair Tapia
How do I build a database for a social network for education purposes?
sql
0 Votes
1 Answer
9th Oct 2015, 12:41 PM
Oze Ezeanochie
Can we use twice AND operator in single query?
sql
where
1 Vote
9 Answers
29th Sep 2015, 6:59 PM
Sukriti Kumari Mishra
Custom Columns: does the colum get added to the original table?
sql
0 Votes
2 Answers
29th Sep 2015, 3:21 PM
Akshay Dhingra
What is the difference between UNIQUE and PRIMARY KEY?
sql
tables
1 Vote
2 Answers
27th Sep 2015, 7:54 AM
Lina
hi there. I have noticed that in the lesson you didn't gave the int datatype a size parameter. Does it mean that int parameter can hold lby default any integer no matter how many characters it consists of?
sql
tables
0 Votes
1 Answer
24th Sep 2015, 8:35 AM
George Shtalman
I have single table called flow, which has every 10 mins flow sample. I want to show sum of this samples per shift like 8am to 4pm shift1, 4pm to 12am shift2, 12am to 8am shift3
sql
union
0 Votes
2 Answers
22nd Aug 2015, 5:12 AM
hari Prasad
What are Boolean Literals?
sql
0 Votes
3 Answers
18th Aug 2015, 6:59 PM
Sagnik Mukherjee
How to delete a columns?
sql
0 Votes
1 Answer
22nd Jul 2015, 1:24 PM
jibon jesmin
How custom column name generated?
functions
sql
0 Votes
3 Answers
18th Jul 2015, 2:10 PM
Rahul Sounder
concat() will take only 2 arguments, concat(city,', ',state) is not working in Oracle. How did you get solution with it please clarify my doubt.
concat
sql
0 Votes
2 Answers
14th Jun 2015, 5:20 PM
gnani
hi, can u tell how many columns a table can have?
sql
0 Votes
3 Answers
19th Apr 2015, 5:23 AM
Ashpak
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