Estimated rows, actual rows and execution count
It’s often said that a major discrepancy between estimated and actual row counts in a query’s execution plan is a...
2009-09-22
2,057 reads
It’s often said that a major discrepancy between estimated and actual row counts in a query’s execution plan is a...
2009-09-22
2,057 reads
It’s not uncommon to find stored procedures that have multiple IF statements controlling the flow of execution within the procedure....
2009-09-15
727 reads
From all indications, the first 24 hours of PASS was a resounding success. Hundreds of attendees for each session, minimal...
2009-09-03
358 reads
Or “It’s 10pm, do you know where your log records are?”
Something that I’ve started to see recently is the idea...
2009-08-31
2,133 reads
The second type of corruption I want to look at is that of missing references in sys.sql_dependencies. This typically appears...
2009-08-26
413 reads
There have been a couple odd types of corruption that I’ve been seeing on the forums. I want to take...
2009-08-24
346 reads
By Steve Jones
I love Chicago. I went to visit three times in 2023: a Redgate event,...
By Brian Kelley
I have found that non-functional requirements (NFRs) can be hard to define for a...
You can find the slidedeck for my Techorama session “Microsoft Fabric for Dummies” on...
Testing with AG on Linux with Cluster=NONE. it was all going ok and as...
Hi, I have two tables: one for headers with 9 fields and another for...
We're trying to understand how quick new versions of SQL server can be. Obviously...
Let’s consider the following script that can be executed without any error on both SQL Sever and PostgreSQL. We define the table t1 in which we insert three records:
create table t1 (id int primary key, city varchar(50)); insert into t1 values (1, 'Rome'), (2, 'New York'), (3, NULL);If we execute the following query, how will the records be sorted in both environments?
select city from t1 order by city;See possible answers