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Q&A Discussions

What is ment by alias in sql?
sql
0 Votes
1 Answer
27th Dec 2015, 3:36 AM
Sadeepa Lakshan
Sadeepa Lakshan - avatar
Why use primary key?
sql
0 Votes
3 Answers
25th Dec 2015, 9:57 AM
Dileep kumar
Dileep kumar - avatar
What's the difference between sql and mysql?
sql
0 Votes
7 Answers
23rd Dec 2015, 3:56 AM
Hemalata Samavedula
Hemalata Samavedula - avatar
Where can I download SQL IDE?
sql
0 Votes
1 Answer
22nd Dec 2015, 4:09 AM
Gamoo
Gamoo - avatar
Can we use this Select salary From employees Where salary>AVG(salary);?
sqlsubqueries
1 Vote
12 Answers
21st Nov 2015, 7:32 AM
Akash Potdar
Akash Potdar - avatar
Could multiple rows be updated?
sqlupdate
1 Vote
2 Answers
19th Nov 2015, 10:50 AM
Akash Potdar
Akash Potdar - avatar
could somebody tell me if mysql is better than sql?
mysqlsql
0 Votes
3 Answers
13th Nov 2015, 2:11 PM
braym chavez
braym chavez - avatar
What's the difference between UNION and JOIN?
joinsqlunion
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
Shashank Bhagat - avatar
Is there a way to reverse what you update/delete?
deletesqlupdate
0 Votes
5 Answers
26th Oct 2015, 8:42 PM
Yair Tapia
Yair Tapia - avatar
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
Oze Ezeanochie - avatar
Can we use twice AND operator in single query?
sqlwhere
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
Akshay Dhingra - avatar
What is the difference between UNIQUE and PRIMARY KEY?
sqltables
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?
sqltables
0 Votes
1 Answer
24th Sep 2015, 8:35 AM
George Shtalman
George Shtalman - avatar
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
sqlunion
0 Votes
2 Answers
22nd Aug 2015, 5:12 AM
hari Prasad
hari Prasad - avatar
What are Boolean Literals?
sql
0 Votes
3 Answers
18th Aug 2015, 6:59 PM
Sagnik Mukherjee
Sagnik Mukherjee - avatar
How to delete a columns?
sql
0 Votes
1 Answer
22nd Jul 2015, 1:24 PM
jibon jesmin
jibon jesmin - avatar
How custom column name generated?
functionssql
0 Votes
3 Answers
18th Jul 2015, 2:10 PM
Rahul Sounder
Rahul Sounder - avatar
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.
concatsql
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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