SQL Logic
In this article, I will discuss the history and thinking behind several types of logic that are typically associated with writing relational database code.
2024-04-26
In this article, I will discuss the history and thinking behind several types of logic that are typically associated with writing relational database code.
2024-04-26
Sometimes when you do GROUP BY, the order of the columns does matter. For example, these two SELECT queries produce different results:
2024-04-24
An updatable view in SQL Server is a view that allows modifications such as INSERT, UPDATE, or DELETE operations on the underlying tables through the view.
2024-04-22
3,838 reads
Container orchestration has become a cornerstone of modern application deployment. For beginners stepping into the world of modern application deployment and orchestration, understanding the essence and significance of Kubernetes is essential.
2024-04-22
In this article, we discuss market-based analysis techniques for customer purchasing patterns for different products over the years in Power BI.
2024-04-19
1,528 reads
Pagination is a technique for limiting output. Think of Google search results, shopping the electronics category on Amazon, or browsing tagged questions on Stack Overflow. Nobody could consume all of the results in a single shot, and no site wants to spend the resources required to present them all to us
2024-04-19
Learn how to perform full and incremental loads in Fabric with a little SparkSQL.
2024-04-17
3,065 reads
If you haven’t migrated your workloads to a managed database platform yet, you’re probably still relying on SQL Server Agent for various maintenance and other scheduled tasks. Most of the time, these processes just work. But when it’s time to troubleshoot, it can be cumbersome to get to the root of some problems.
2024-04-17
Learn about disaster recovery and high availability options in SQL Server with details on the tradeoffs you make when choosing from Availability Groups, Log Shipping, Database Mirroring, and Replication.
2024-04-15
1,715 reads
This week’s query exercise asked you to find two kinds of locations in the Stack Overflow database.
2024-04-15
Data isn't just about numbers and spreadsheets. It holds stories, patterns, and the answers...
By Brian Kelley
When I look at a system and think about its security model, the first...
On Wednesday May 15th 2024 I will give a free webinar on MSSQLTips.com about...
Carisol 350mg is the main ingredient. Its powerful formulation, which includes the active ingredient...
Comments posted to this topic are about the item The "ORDER BY" clause behavior
Comments posted to this topic are about the item Are IT Certifications Still Relevant?
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