If you can't see table clearly see the attachment: I am facing interesting challenge and wondering if someone can help me with this: This is the table I have: Student_ID Student Name Type Product 10001 David Virtual Infra 10002 Troy Hardware Solution 10002 Elizabeth Core Server 10003 Karen Windows Solution 10002 Tony messaging Software 10004 Loren Hardware Server 10004 Katty messaging Solution so what I want to do is: I want to look for records which has (Product='Solution' and Type='Hardware') and I want to change all the Type of those records to 'Virtual'. But not only that, the challenging part is, I want to change Type of all the records which has (Product='Solution' and Type='Hardware'), and Student_ID is same. So for example: In the above table data I want to write a query which will look for 'Solution' in the column Product, if it finds it, it will look for 'Hardware' in the column Type, if it finds it, it will look for similar Student_ID as whatever it was for that particular records in the rest of the table and for all those records it will change Type='Virtual'. (remember if it finds 'Hardware' in the type, and after that when it will be looking for same Student_id in rest of the table, there might be several records where Student_ID will be matching to the same Student_ID of the same records but they might have many different Type - in above example Student_ID 10002 has 3 different Type) so if i run that query in the above table it should give me this results: Student_ID Student Name Type Product 10001 David Virtual Infra 10002 Troy Virtual Solution 10002 Elizabeth Virtual Server 10003 Karen Windows Solution 10002 Tony Virtual Software 10004 Loren Hardware Server 10004 Katty messaging Solution notice that in result Type didn't change for Student_ID=10004 because even though we did find Product='Solution' we didn't find where it has 'Hardware' for that product. thanks (cqldba@gmail.com) If you can't see table clearly see the attachment:
I do think so Satya... I dont like to help people cheat either! not that its the situation here.. but looks like it
update [Table_Name] set Type='Virtual' where Student_ID in(select Student_ID from [Table_Name] where Type='Hardware' and product='solution'); I think this will help u........