SQL Server Monitoring: What queries should you monitor?
I previously wrote about measuring wait statistics. This matters a lot, because you can track historically what wait statistics are...
2019-02-02
319 reads
Arthur's Blog
How many plans are in the plan cache for a stored procedure?
It depends on where you’re looking and how many statements are in the stored procedure.
Let’s take a look at some...
2019-01-31
326 reads
Index maintenance freebies
I didn’t expect anything for free in index maintenance. After all, it takes a lot of CPU and transaction log...
2019-02-20 (first published: 2019-01-30)
2,401 reads
Query tuning: The IN clause
This post will cover the IN clause and another way to rewrite the same logic. I don’t intend to say...
2019-01-29
1,784 reads
My alternative to sp_WhoIsActive
I use sp_WhoIsActive a lot. I’m extremely grateful for Adam Machanic writing it. It has tons of options that let...
2019-01-28
4,163 reads
Memory Grants part 6: Memory used in aggregate functions (Min/Max/etc)
So far in this series, I’ve been focusing on the Sort operator. It’s pretty easy for demos since I can...
2019-01-25
588 reads
The Execution plan comparison feature (in SSMS)
Did you know that you can compare two execution plans in SQL Server Management?
It’s really cool. I use it a...
2019-01-25
982 reads
It’s always parameter sniffing (Part 2): SET options
This is the sequel to “It’s always parameter sniffing (part 1).” In that post, we identified the stored procedure, and...
2019-02-14 (first published: 2019-01-23)
2,501 reads
Memory Grants part 5: Query hints
Proceed with caution, if you’re thinking of using query hints. This post will specifically cover min_grant_percent and max_grant_percent.
My opinion on...
2019-02-11 (first published: 2019-01-22)
8,233 reads
Memory Grants part 4: The Resource Semaphore
Part of query memory grants, part 4! This post will cover the wait type RESOURCE_SEMAPHORE briefly, but the focus is...
2019-01-21
712 reads
Blogs
Small Data SF 2024
By Steve Jones
I can’t remember how I heard about Small Data SF 2024, but it caught...
A New Word: Moledro
By Steve Jones
moledro – n. a feeling of resonant connection with an author or artist you’ll...
Snowflake + Azure blob
By Arun Sirpal
Let’s go back to data platforms today and I want to talk about a...
Forums
Need to group the same valued ID fields to run an aggregate average over them
I have data that contains poll results, with the poll_id consistuting a single row...
SSIS Question
Hi everyone. I am re-writing a portion of my SSIS logic. My SSIS package...
How are statistics stored?
Comments posted to this topic are about the item How are statistics stored?
Question of the Day
How are statistics stored?
How are the statistics for query optimization stored in SQL Server?
See possible answers