2022-01-26
536 reads
Indexing
2021-08-09
553 reads
More on Column Choice and Order for Multi-column Non-Clustered Indexes
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
3,692 reads
Index fragmentation on all databases
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)
4,014 reads
Understanding CRUD Operations on Tables with B-tree Indexes, Page-splits, and Fragmentation
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
8,211 reads
Indexes: When Column Selectivity Is Not Always A Requirement
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 […]
2023-01-02 (first published: 2020-09-16)
5,549 reads
2020-07-10
582 reads
Two Important ‘ONLINE’ Column-Level Operations in SQL Server
Today Kendra talks about two of the online options used when working with indexes.
2020-01-14
341 reads
2019-12-16
857 reads
2019-12-09
1,403 reads
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Semantic Search in SQL Server 2025
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Encoding URLs
Comments posted to this topic are about the item Encoding URLs
Question of the Day
Encoding URLs
I have this data in a table:
CREATE TABLE Response ( ResponseID INT NOT NULL CONSTRAINT ResponsePK PRIMARY KEY , ResponseVal VARBINARY(5000) ) GOIf I want to get a value from this table that I can add to a URL in a browser, which of these code items produces a result I can use? See possible answers