Another alternative to SIFT: Columnstore indexes
According to this article on Microsoft Learn portal , non-clustered columnstore indexes (or NCCI) are seen as a possible replacement for...
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Oct 28
Hidden SQL queries in AL you (probably) want to avoid
Development of Business Central extensions is very much about the database communication, and as AL developers, we always control the...
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Oct 20
Covering indexes as an alternative to SIFT
In two of my previous blog posts I reviewed some pros and cons of the SumIndexField Technology (or SIFT) in Business Central. On the one...
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Aug 25
if not IsEmpty then FindSet... Or not?
This post is a result of one very fruitful discussion with many knowledgeable Business Central enthusiasts in a long LinkedIn thread. Now...
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Aug 9
The dark side of SumIndexFields. Concurrency.
My previous post was dedicated to an overview of Business Central's SumIndexField Technology, or simply SIFT, which helps us collect...
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Aug 5
SIFT
SIFT, which stands for Sum Index Flow Technology, used to be a know-how in the Navision database, a data structure that stored...
291 views4 comments
Jun 20
Select with partially matching index: can we make it faster?
Let's assume we want to select a set of customer ledger entries based on two values: salesperson code and the payment reference. Or any...
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Nov 13, 2023
if not IsEmpty() then DeleteAll()
My previous post on good and bad coding practices in terms of the performance touched upon one particularly contradictory coding pattern...
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Nov 10, 2023
Top 5 AL mistakes that undermine performance
This post is my shortlist of the most common beginners' mistakes in AL that affect application performance. These are not necessarily the...
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Jul 31, 2023
How scary are table extensions?
Business Central table extension object, when compiled and deployed, translates to a new SQL table with the same primary key as its base...
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Jul 13, 2023
When partial records and indexes reach synergy
Continuing performance testing of queries on extended Business Central tables, today I want to look at the same dataset from a slightly...
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Jul 6, 2023
Who benefits from partial records: The true magic of SetLoadFields
Server-side perspective One of the key characteristics of the C/AL language and its more modern ancestor, AL, that makes it so attractive...
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Jul 1, 2023
Locking Scope: Differences between LockTable and ReadIsolation
Today, once again, I am returning to the topic of table locking, lock escalation, and the way Business Central interacts with SQL Server...
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Jun 29, 2023
Introduction to Business Central Caching - Part 2
The effects of SetLoadFields and AutoCalcFields on caching This post continues the topic of query caching in Business Central which I...
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Jun 23, 2023
Introduction to Business Central caching
A few days ago, I had a chat with a friend who asked me where his BC data access queries could be hiding from the SQL Server Profiler. He...
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Mar 21, 2023
ReadCommitted isolation in Azure SQL
In my previous post Transaction Isolation in Business Central, I introduced a rather long and detailed review of transaction isolation...
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Aug 9, 2022
Performance of event subscribers. SingleInstance or not?
There are countless factors that can affect application performance - structuring of the code, an algorithm that we chose for a specific...
1,360 views0 comments
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