Nov 14, 2015 · Is there a best practice between using a LEFT JOIN or a NOT EXISTS format? What is benefit to using one over the other? If none, which should be preferred? SELECT * FROM tableA A …

Apr 29, 2015 · The SQL server is Windows 2012 R2 with SQL Server 2014 Std, and has been built following the Azure SQL performance guidelines (i.e. data on a dedicated striped drive).

Aug 27, 2014 · I am Using SQL SERVER 2008 R2 I just came across APPLY in SQL and loved how it solves query problems for so many cases, Many of the tables I was using 2 left join to get the result, I …

Feb 20, 2024 · I have migrated our load test environment from SQL Server 2016 to SQL Server 2022 (Developer edition). Here are some findings: Changed compatibility level of databases to 160 (for …

Oct 13, 2021 · Can it be detrimental to performance if I add additional conditions in the where clause rather than the join clause; or is this a part which typically gets simplified and handled equally in the …

Jun 28, 2018 · I'm trying to understand the best way to decide how big varchar columns should be, both from storage and performance perspectives. Performance From my research, it seems that …

Mar 13, 2024 · Explore related questions sql-server query-performance sql-server-2019 offset-fetch See similar questions with these tags.

Does indexed data affect query performance? means If I passed value as 1,2,3,4... in ordered form in any IN clause, can it improve query performance? and what happen in case I pass value randomly 2...

Oct 6, 2023 · Here is the postgres page on partitioned tables where it says "Query performance can be improved dramatically in certain situations, particularly when most of the heavily accessed rows of …

I'm planning and testing a new SQL Server 2022 install to migrate from an older 2014 database. I've noticed during performance testing some major discrepancies with some bulky queries. Here is a qu...