2022-01-26
502 reads
2022-01-26
502 reads
2021-08-09
521 reads
In the last year I’ve published articles on indexes to include Indexes: When Column Selectivity Is Not Always A Requirement – SQLServerCentral and Query Optimizer Suggests Wrong Index and Query Plan -- Why? – SQLServerCentral. This article is a continuation of just how the optimizer interacts with the index wizard. We’ve all heard and read […]
2021-07-07
2,228 reads
The script returns all the fragmented indexes on all databases on the instance you run it. Can be run on multiple instances in the same time using central management capability.
2021-07-12 (first published: 2021-07-06)
1,393 reads
Introduction Every DML transaction reads the data before it makes any changes. Not only during a SELECT query, but when you run any DML statement, insert, update, or delete, SQL Server first fetches a bunch of pages into the buffer pool locating the desired rows and changes them while synchronously writing to the transaction log […]
2021-05-10
3,972 reads
While preparing for my SQL Saturday Salt Lake City presentation, Climbing the B-Tree, I ran into one of the “word of mouth” facts that the first column of an index should be highly selective, i.e., it should only point to one or a few rows. This is not always the case and I’ll show you […]
2020-09-16
2,669 reads
2020-07-10
563 reads
Today Kendra talks about two of the online options used when working with indexes.
2020-01-14
195 reads
2019-12-16
833 reads
2019-12-09
1,196 reads
I recently received a complaint that Query Store for a particular database was turned...
Hello Hello, We. Are. Back! The schedule for EightKB 2024 Edition has been announced!...
By Steve Jones
I had a customer that was looking to document a restore that had occurred...
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