In SQL Server 2005, you can explicitly or implicitly define the execution context. As we all know, a session starts when a user logs on to SQLServer or a connection to SQLserver is made. All operations in that session use the logon credentials used for connecting to SQL Server. When an EXECUTE AS statement is run, the execution context of the session is switched to the specified login or user name.
2006-04-17
2,799 reads
Have you started looking at what issues you might have migrating your existing applications to SQL Server 2005? If not then maybe as a first step, you should consider looking into what the SQL Server 2005 Upgrade Advisor can do for you. This article will discuss what the Upgrade Advisor is and how to use it.
2006-04-14
2,172 reads
2006-04-13
1,382 reads
2006-04-12
1,238 reads
2006-04-07
1,649 reads
2006-04-05
1,384 reads
The report models introduced in SQL Server 2005 feature a number of ways to customize the data visible to different users and groups: perspectives, model item security, security filters, and opaque expressions. This article describes when and how to use each of these features.
2006-04-05
2,490 reads
2006-04-03
1,193 reads
2006-03-30
1,635 reads
It is something you do rarely, but with SQL Server 2005 and ten services, there are more decisions to make. Steve Jones gives some advice on which service accounts to choose and some common problems with others.
2006-03-30
18,804 reads
When I put together the invitation for T-SQL Tuesday #202, I wasn't sure what...
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...
Comments posted to this topic are about the item Server-Level Table sizes
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers