One of the things you need to aware of is that if you create a logon trigger and there is some bad code you are going to prevent everyone from logging into your SQL Server, even if you try as "sa" or a member of the sysadmin fixed server role. How do I log on to my SQL Server to fix this trigger?
2008-12-02
3,887 reads
we need change all user table db owners For selected database using T SQL we can easily use this method.
2008-12-29 (first published: 2008-11-30)
1,234 reads
Permissions on data are one of the most critical aspects of database administration.
2008-11-10
3,072 reads
Implementing a dialog between two services residing in a distributed environment requires the presence of an authentication mechanism. Windows-based Kerberos protocol limits the scope of systems participating in a Service Broker dialog to those residing in the same or trusted Active Directory domains. This article provides an overview of how to eliminate this limitation by employing certificates.
2008-11-03
2,198 reads
Databases often contain sensitive information and cell-level encryption is a very effective method to protect this information from those who should not have access to it. Although, encryption is not without its challenges.
2008-10-29
3,815 reads
Instead of granting higher level permissions, is there a way to allow users that only have public access the ability to see object definitions?
2008-10-13
3,693 reads
Attaching and restoring databases from one server instance to another are common tasks executed by a DBA. After attaching or restoring of a database, previously created and configured logins in that database do not provide access. This tip looks at how to deal with this.
2008-10-09
4,605 reads
This white paper presents an overview of cryptographic functionality and discusses how this applies to authentication, signed procedures, permissions, and encryption. Because the target audience is the database professional and not necessarily security experts, the focus is on practical ways to use cryptography in SQL Server.
2008-09-26
3,859 reads
DBA's and web developers at our company are experiencing issues with connecting to SQL instances using SQL Server Management Studio and other SQL tools using Windows Integrated Authentication. Our company is large, with well over 70,000 users and groups in Active Directory. When we look in the NT event log on the SQL Server we see both MSSQL and Kerberos errors. What could be causing this?
2008-08-25
3,296 reads
Lately it seems like SQL Injection attacks have been increasing. Recently our team has worked through resolving a few different SQL Injection attacks across a variety of web sites. Each of these attacks had a number of similarities which proved to point back to the same source. With this information in hand, the resolution should be much quicker. As such, if your web site is attacked with SQL Injection, how should you address it? How can the identification, analysis, recovery and resolution be streamlined? What are some lessons learned?
2008-08-22
4,820 reads
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
Comments posted to this topic are about the item How We Handled a Vendor...
Comments posted to this topic are about the item Cognitive Coverage
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers