Most of the time applying service pack for SQL Server is a child’s play. Double click on exe, keep hitting next, next and finally press update. But when it fails, you would need an expert to fix the issue. Recently, one of my clients faced a problem while installing SQL Server 2014 Sp2. The Service Pack error failed at the final stage. And now the SQL Server services were not starting. This issue can have various variations where SQL Services doesn’t start after patching. Few on my earlier blogs on the same topic are listed below. Let us learn about ALTER DATABASE Statement Not Allowed Within Multi-statement Transaction.
SQL SERVER – AlwaysOn Automatic Seeding Failure – Failure_code 15 and Failure_message: VDI Client Failed
Recently I wrote a blog explaining a situation where taking log backup can break automatic seeding and synchronization would not work. Below is the blog reference. SQL SERVER – AlwaysOn Automatic Seeding – Database Stuck in Restoring State
SQL SERVER – PowerShell Script – Delete Old Backup Files in SQL Express
If you have worked with various SQL Server editions, then you would know that SQL Server Express edition does not have SQL Server Agent service. Due to this, we lose capabilities to automate a lot of things. Let us learn in this blog post how to delete old backup files in SQL Express.Â
How to Estimate Space Saved by Data Compression in SQL Server? – Interview Question of the Week #167
Question:Â How to Estimate Space Saved by Data Compression in SQL Server?
SQL SERVER – FIX: Backup Detected Log Corruption in database MyDB. Context is Bad Middle Sector
During my consulting, I guide my clients to have a backup plan in place. One of my clients reported that whenever they try to take a Full Backup of a database, it fails precisely after 60% completion. Here is the error message while making database backup using SQL Server Management Studio. Let us fix error related to the bad middle sector in this blog.Â
SQL SERVER – Mirroring Error 1456 – The ALTER DATABASE Command Could not be Sent to the Remote Server Instance
As a part of my consulting, I still get few clients who prefer to use database mirroring over Always On Availability Group. In this blog we would cover about one possible cause of database mirroring Error 1456 – The ALTER DATABASE command could not be sent to the remote server instance.
Avoiding Database Downtime via Replication – SharePlex
The scariest word for any DBA is – Database Downtime. Every DBA who is going off duty for the day or going away on vacation for a month is always worried about Database Downtime. I totally sympathize with everyone who is constantly worried about their database’s downtime. In the real world, we all know when our database does down, it means that our business is stopped. There is no other analogy we can give.
Practical Real World Performance Tuning – Frequently Asked Questions
Earlier this month, I announced my very first online live training course Practical Real World Performance Tuning along with Brent Ozar. As soon as the course was announced we received your overwhelming response. I am truly thankful to you to fill up the available seats very quickly. While I am writing this blog posts, we have very few limited seats are available. One the seats are filled up, we will have to close the registration. If you miss this opportunity this year, do not worry, you can always register in the future when we return again in 2019 or 2020.
MySQL – Connection Error – [MySQL][ODBC 5.3(w) Driver]Host ‘IP’ is Not Allowed to Connect to this MySQL Server
One of my clients contacted me for a linked server issue between SQL Server and MySQL Server. Since I mostly work with SQL Server, it was a fun installing and connecting MySQL Server. While I was trying to simulate the issue and I wanted to create a linked server. In this blog, we would learn how to fix MySQL connection error [MySQL][ODBC 5.3(w) Driver]Host ‘IP’ is not allowed to connect to this MySQL server.
SQL SERVER – AlwaysOn Automatic Seeding – Database Stuck in Restoring State
As a part of my consulting, I observed that there is a lot of interest in using AlwaysOn availability group. I have deployed many AlwaysOn solutions from start-to-finish. Recently I encountered an issue and in this blog, we would discuss reason of an availability database to stay in restoring mode even after using automatic seeding.