AtRisk

Error Number 825 Alert that was followed by Clean CHECKDB

Problem: Received an e-mail alert for one of my SQL Servers: SQL Server Alert System: ‘Error Number 825’ occurred on < my SQL Server > DESCRIPTION:   A read of the … Continue Reading →


RolesWithCreateUID

Teradata Finding Which User is the CreateUID

Problem: Looking at the dbc.roles table, I want to find which user created a role.  There is the 4-byte column in the table called CreateUID, which identifies the user that … Continue Reading →


TruncateInTeradata

Truncate Table in Teradata

Coming from SQL Server & Oracle, I wanted a quick way in Teradata to truncate all the records from a table.  The issue is the word TRUNCATE is not a … Continue Reading →


IdentityColumnsResults

List All Identity Columns in a Database in SQL Server

Problem: Received a request for a list of all identity columns existing in a database.  The example is from the SQL 2016 sample database: WideWorldImporters SELECT o.name as ‘OWNER’, t.name … Continue Reading →


ListFilestreamDatabases

List FILESTREAM databases in SQL Server

Problem: Received a support ticket requesting help with the FILESTREAM database for a SQL Server.  Was given only the server name.  This server had over 50 databases in the SQL Server … Continue Reading →


logonevent

Teradata Viewing Failed Logon Information

In Teradata, there is a way to view the reason that a username is not authenticating.  Teradata is good about collecting information at the time of authentication.  It can be … Continue Reading →


teradata_password_change02

Changing a Password in Teradata

There are a couple ways to change a user’s password in Teradata.  Two methods covered here are using a SQL statement in Teradata’s SQL Assistant, and the other is using … Continue Reading →


dbscontrol_display

Viewing the DBS Control Records in Teradata

Problem: I was asked about the “MaxLoadTasks” setting in Teradata.  There are a couple of ways to view this information.  In this case I am going to show the command-line … Continue Reading →


Emailed DBCC CHECKDB Output

Email the results of DBCC CHECKDB

Situation: We had a very busy SQL Server, that could not have “DBCC CHECKDB” run during business hours with out impacting others.  I was being asking for the output from … Continue Reading →


BynetDriverInformation

Teradata BYNET driver information

Note: this is being shown on Teradata Express. Working with Teradata support, I was asked for the version of the BYNET drivers.  This is done with a utility called: bam … Continue Reading →