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.
Which is Better for Performance – SELECT or SET? – Interview Question of the Week #166
Question: Which is Better for Performance – SELECT or SET?
QL SERVER – Unable to Create Listener: Msg 41009 – The Windows Server Failover Clustering (WSFC) Resource Control API Returned Error Code 5057
One of my clients contacted me for quick On-Demand consulting. They were working under close deadlines and delivering the solution on time was critical for their success. They contacted me and explained that they were having trouble creating a listener for their two nodes AlwaysOn Availability Group. The error message which they received from T-SQL is below. Let us learn how we can fix error related to Windows Server Failover Clustering.
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