by XTIVIA | Feb 5, 2015 | Blog, Data Management, Databases
DB2’s automated maintenance does not currently allow us to automate inplace reorgs. Inplace reorgs are more online than other reorgs, and in my experience are heavily used. This means that many DBAs wrap some sort of scripting around reorgs. Working in a variety...
by XTIVIA | Feb 4, 2015 | Blog, Data Management, Databases
This error comes up pretty often and can be caused by a lot of different things. Usually, this is a pretty easy one to solve. It’s mostly just a syntax error and you forgot part of your SQL statement. You need a select, a column, from clause, and optionally a...
by XTIVIA | Feb 3, 2015 | Blog, Data Management, Databases
Tip # 4 – Not having a Baseline Top 10 Tips for SQL Server Performance and Resiliency This article is part 4 in a series on the top 10 most common mistakes that I have seen impacting SQL Server Performance and Resiliency. This post is related to the most common errors...
by XTIVIA | Feb 2, 2015 | Blog, Data Management, Databases
This error occurs due to the fact that your connection to the Oracle server is no longer available or that the server couldn’t respond to the client’s requests. This is usually called by an Oracle server issue or a networking issue. You can start...
by XTIVIA | Feb 1, 2015 | Blog, Data Management, Databases
ORA-01722 Invalid Number This error occurs when you try to convert a character string into a number, and the string can’t be converted into a valid number. So what is a valid number you ask? A valid number to Oracle would be a digit between 0-9, a negative or...
by XTIVIA | Jan 30, 2015 | Blog, Data Management, Databases
Cursors in SQL Server allow developers to iterate through a collection of values, normally based off a select statement. This is very useful for scripts that must apply to many items at once. More often than not that is iterating through database names to make changes...
by XTIVIA | Jan 26, 2015 | Blog, Data Management, Databases
The ORA-600 is an internal Oracle error that can be reported by a very serious error. A lot of times this error can’t be solved by an onsite DBA and needs direct help from Oracle to help troubleshoot the issue. If the trace files from the error don’t prove...
by XTIVIA | Jan 26, 2015 | Blog, Data Management, Databases
Tip # 3 – Maintain your SQL Server Top 10 Tips for SQL Server Performance and Resiliency This article is part 3 of 10 in a series on the most common mistakes that I have seen impacting SQL Server Performance and Resiliency. This post is related to the most common...
by XTIVIA | Jan 24, 2015 | Blog, Data Management, Databases
ORA-12154: TNS:could not resolve the connect identifier specified This is one of the most common Oracle errors and it is basically telling you that you are trying to connect to a database name that is unknown to the system. The most common cause are typos in your...
by XTIVIA | Jan 20, 2015 | Blog, Data Management, Databases
It’s well known that Oracle has some of the most complicated licensing practices when dealing with virtual hosts/machines. Not only complicated, but also very expensive. I recently work on a project involving a database move to one of the popular cloud...
