[Notes from Pinal]: R Services are very much new thing and trust me, I still have to get my hand dirty on this subject. I know the basics of it, but still I personally do not know enough that I can blog about it and teach others. This is when I reach out to Eduardo, he has this incredible ability to learn new thing and teach others in the lucid easy way. I requested Eduardo to help me out with R Services and Forecasting and he happily accepted.
SQL SERVER – Create Database and BI (SSAS, SSRS, SSIS) Documentation
ApexSQL Doc is a simple but powerful tool which is used for documenting SQL Server databases, SSIS packages, SSAS cubes and SSRS items. It enables users to customize the documentation by including/excluding needed database objects and settings and to generate the documentation in various output formats like, CHM, HTML, PDF and Word formats. Let us learn about how to create BI (SSAS, SSRS, SSIS) documentation.
SQL SERVER 2016 – InMemory OLTP LOB Datatype Enhancement
My exploration with SQL Server 2016 features are just continuing and I am delighted every other day to figure out something new been added to the capabilities which in the opinion were of limited capacity in the prior versions of SQL Server. I will spare the ranting exercise for now but will look at some of the things that caught my attention in my recent exploration with SQL Server InMemory OLTP enhancements.
SQL Server Agent – Unable to start the service – The request failed or the service did not respond in a timely fashion
Rarely, it also happens when someone becomes accidental DBA and may get stumped with simple things. This blog is result of troubleshooting which I have done for a company where I found one such DBA. I don’t say you cannot become a DBA in this manner, it is the hard work that goes behind this that needs to be understood. Let us learn about error related to SQL Server Agent.
How to Attach MDF Data File Without LDF Log File – Interview Question of the Week #078
Just the other day I was busy during a performance tuning exercise I explained to the team of DBA that how much log file is critical and important for their performance. Once I was explaining the importance and role of the LDF file in the performance, one of the DBA from the team asked me question about what would they do if they somehow lose the LDF file or just have corrupted log file which they do not care now. Well, I though it was a very important question and I believe it can be a very good interview question as well. Let us learn about how to attach the MDF data file without LDF log file.
SQL SERVER – Unable to cast object of type ‘System.DBNull’ to type ‘System.String’. (Microsoft.SqlServer.Smo)
When you are driving on a highway, you look forward to the sign boards give you guidance while you are busy driving. These sign boards tell you when your exit is approaching and how you should be dealing with the same. I consider such sign boards inside SQL Server as “Error Messages”. I rely on them so heavily to give me insider information to a possible solution. Not always are these messages super easy to understand. Take for instance the following message. While trying to create a database on my lab server, I got below error related to System.DBNull:
SQL SERVER – Script level upgrade for database master failed because upgrade step sqlagent100_msdb_upgrade.sql encountered error
Sometimes I feel that one error can be caused due to multiple reasons and there are different ways to solve it. I already have two blogs for the error message. As they say, there are is no silver bullet when it comes to solving some of the issues. SQL Server might through a generic message, but it all lead to the same problem related to master database: