I'm expanding our user/group system to allow for dynamic groups which are made up of other groups members. I have three tables users, groups, and relationships. For simplicity sake, lets say users ...
I don't know if this question better suits here or in SO ... This is a script that I'd like to launch (the code of the function was copied from a question on SO): \c mydb create or replace function ...
I know that cursor isn't very good idea, but I have some questions for internal structure of cursor. First step in cursor is determining result set which cursor iterate over. So, did cursor execute ...
I have a table (called Visits) with ReqTime DATETIME NOT NULL column AND Duration INT UNSIGNED column. Duration should be set to the difference of ReqTime for two adjacent rows. But Duration is not ...
In Oracle, there are only 2 types of cursor i.e. Implicit and Explicit cursor. Which is easy to understand. But, in SQL Server there are 4 Cursor AFAIK i.e. Static,Dynamic,Forward Only and Scroll. ...