SQL Server – Script to generate Read-Only Routing URLs
If you are familiar with the new feature Read-Only Routing introduced in SQL Server 2012 with AlwaysOn then you should...
2015-10-01
505 reads
SQL Server – New Database Backup Encryption with SQL Server 2014
With the release of Microsoft SQL Server 2014, we have the first version of SQL Server that supports encrypting database...
2015-07-21
680 reads
SQL Server – Capture Execution Plan of a Currently Running Query/Process SPID
DBAs most often face scenarios where they need to capture graphical execution plan of a query currently running on a live production instance because...
2015-06-05
1,098 reads
SQL Server – How to Calculate Length and Size of any field in a SQL Table
Recently I came across a situation where queries are loading extremely slow from a table. After careful analysis we found...
2015-06-04
696 reads
SQL Server – Changing Ownership for All the User Databases to “sa” Account
Most people prefer to have “sa” account as the database owner, primary reason being sa login cannot be removed/deleted unlike any...
2015-05-05
381 reads
SQL Server – Endpoint Authentication Error in AlwaysOn Availability Group Setup
According to MSDN: If the SQL Server service is running as a built-in account, such as Local System, Local Service,...
2015-02-06
630 reads
SQL Server – Ports used by Database Engine and other SQL Features
Most of us know the default port for SQL Server is 1433, but there are various ports being used by SQL Server...
2014-12-07
363 reads
SQL Server – Failed to bring availability group ‘[availability group name]’ online
I have been noticing one very common error that occurs while trying to failover an Availability Group in SQL Server 2012 AlwaysON...
2014-10-28
1,991 reads
SQL Server – Aborted Online Index Operation & Observed Elevated Values for PWAIT_MD_RELATION_CACHE and MD_LAZYCACHE_RWLOCK Wait Types
Last week on one of our production servers (version 2011.110.3373.0), we’ve encountered a strange issue which is relatively new (only...
2014-08-12
590 reads
SQL Server – Script to Identify and Update Database Auto-Growth Setting
An auto-growth event is the process by which the SQL Server engine expands the size of a database file when...
2014-06-25
1,095 reads
Blogs
TSQL Tuesday #188 Growing community
I am responding late to a T-SQL Tuesday invite from John Sterrett. John’s call...
Time to Revive our YouTube Channel
It’s been forgotten about and neglected for few years but I’ve decided to dust...
Microsoft MVP 2025: Continuing the Data Platform Journey
I am honored to announce that I have been renewed as a Microsoft MVP...
Forums
How a Legacy Logic Choked SQL Server in a 30-Year-Old Factory
Comments posted to this topic are about the item How a Legacy Logic Choked...
Navigating Multi Platform Realities in My Database Life
Comments posted to this topic are about the item Navigating Multi Platform Realities in...
Import/Export SSMS Settings issue
I have tried a number of times to export and then import my SSMS...
Question of the Day
Query Plan Regressions --
For the Question of the day, I am going to go deep, but try to be more clear, as I feel like I didn't give enough info last time, leading folks to guess the wrong answer... :) For today's question: You’re troubleshooting a performance issue on a critical stored procedure. You notice that a previously efficient query now performs a full table scan instead of an index seek. Upon investigating, you find that an NVARCHAR parameter is being compared to a VARCHAR column in the WHERE clause. What is the most likely cause of the query plan regression?
See possible answers