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How would I be able to "group by" a query using an alias. Something like this: select count(*), (select * from....) as alias_column from table group by alias_column The only thing is that I keep getting this 'alias_column' : INVALID_IDENTIFIER error message. What should I do here?
Can we use count on count or avg on avg? Meaning can we nest the aggregate functions...if yes...then how?
Hi guys, I want to create trigger to avoid users updating records or when he update that data want to write one log file with his Login ID, time, date etc. Please help me. If these is possible using trigger then please tell me how? Thanks Amar
Why does the screen on my computer keep flickering?
How do I remove "SearchIndexer.exe-Application Error?
I am running Windows XP Home on my laptop and want to install a linux OS (Fedora Core 7)on the 4GB of unpartitioned space on my hard drive. Would this cause any conflicts with my Windows OS?
I am an Android application developer since Jun-2013, now I want to switch my career to SAP. I want to do SAP – BI course. Please please tell what are pre-requisites to learn SAP-BI. As I have some basic database related knowledge, is it enough to learn SAP – BI?
Which utility is used to troubleshoot network connectivity?
I'm getting the ora-27101:shared memory realm does not exist error message. What should I do?
What is Lotus Notes and why do we use it?
Hello, I'm trying to use Windows RMS with Office 2003 and 2007 clients and it's not working. For bit more background: I got this working without any issues about 2 years ago. At that time we decided that it was a good feature, but we never wanted to protect documents until now. Now I tried to...
iSeries FTP job doing mget from PC not always showing and getting the files then mdelete deletes the files on PC it shows that on pc but in iSeries no files are shown, other times the job works. Using pasv and ascii modes files are .txt files on PC.
I am looking for documentation on what constitutes Computerized Prescriber Order Entry (CPOE) and e-prescribing. What makes a digital signature legal when it comes to e-prescribing in Canada. What are the requirements for a CPOE application?
I'm looking for a SQL Plus script that can quickly kill off all external sessions connecting to my Oracle database without the supervision of an administrator. Anyone know how to do this?
I have a table like this... emplid qualification 101 b.tech 101 java 101 cpp 102 java 102 sql I want the output as: emplid qualification1 qualification2 qualification3 101 ...
I did not find any PTR record for different VLANs, DHCP scopes for VLANs are working properly, but there is no host in Reverse Lookup zone.
When I send email at sender side, it will display mail has been sent but at receiver side receiver inbox don't have that email. What should be problem?
How to virtualize ESXi software?
What is recommended structure for extending the accessibility of data center with fibre optics cables and Wi-Fi access points at their ends?
How can an organization's VLAN can be extended across the Wide Area Network?