Over the past couple of years, I’ve developed several tools that I’ve been using during my Performance Tuning and other related assignments. I thought to share it with the...
2022-07-22 (first published: 2022-07-11)
1,245 reads
This procedure will generate SQL Code for Get and Put API's. This may be useful if you are developing your own data replication strategy to replicate data across multiple...
2022-07-11
38 reads
This procedure will list down all the indexes (Clustered as well Nonclustered Indexes) whose first key column having poor cardinality.
2022-07-11
23 reads
This procedure will estimate the cardinality of all the columns of the supplied table list. If the table list is not supplied (or supplied with NULL, the default value)...
2022-07-11
21 reads
This procedure will list down all the nonclustered indexes, which includes key columns as that of the clustered index. It will also list the key columns of both –...
2022-07-11
22 reads
This procedure can get you the list of queries being executed frequently and for duration greater/less than a particular time. You may also find it very useful if you...
2022-07-06
43 reads
This procedure will get all the objects performing committed reads. It will fetch all the objects (Procedures, Functions, Triggers, View etc.) that doesn't uses the NOLOCK and SET ISOLATION...
2022-07-06
37 reads
Over the past couple of years, I’ve developed several tools that I’ve been using during my Performance Tuning and other related assignments. I thought to share it with the...
2022-07-06 (first published: 2022-07-04)
92 reads
This procedure will get all the stored procedures and triggers missing the use of SET NOCOUNT ON. It may be helpful in performance tuning assignments.
2022-07-06 (first published: 2022-07-04)
49 reads
A lot of my colleagues and people in my network reached out to me to train them on the SQL Server and T-SQL. They think that my style of...
2021-11-23
293 reads
By Steve Jones
A friend was asking for help with some data analysis. This was in PowerBI,...
I am responding late to a T-SQL Tuesday invite from John Sterrett. John’s call...
It’s been forgotten about and neglected for few years but I’ve decided to dust...
Comments posted to this topic are about the item How a Legacy Logic Choked...
Hi i was surprised to see the approach my coworkers used to sunset talend...
Comments posted to this topic are about the item People Make Odd Choices
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