When working with Snowflake, it is important to understand the different types of tables available and when to use each one. In this tutorial, we will compare Snowflake temporary and transient tables, highlight their similarities and differences, and provide examples of when to use each type of table.
2023-03-31
Learn how you can shrink your transaction log files serially, one by one.
2023-03-31
5,084 reads
There might be a time when you might want to return just a few rows of a result set, instead of the complete set. This might be useful if you want to just validate a selection criteria or a few rows of data. For whatever the reason the TOP clause can be used to return a specific number or a percentage of rows from a result set. This article will cover using the TOP clause in a SELECT statement and how it can be used to return a partial set of records.
2023-03-29
With the SQL WHERE clause in SQL Server, users can filter their query results in many ways. In most cases, we do not utilize all the options the WHERE clause provides, so we tend to forget that they exist. In this SQL tutorial, we will look at several examples of how to use the WHERE clause.
2023-03-27
Several years ago, I was brought in on a project to review a database design. I was provided a time for a meeting. No written requirements were available, but I generally knew what the system was supposed to do. No before/after schema images showed what was being changed were available. Still, I was assured that […]
2023-03-25
108 reads
2023-03-17
4,883 reads
I honestly enjoy writing editorials. Something pops into my tiny brain next to something else, and I'm off. However, today, as I started to write on the topic of learning, I suddenly felt like I had just written this same editorial. I go and look, sure enough, several of my recent editorials have been on […]
2023-03-12 (first published: 2023-03-11)
87 reads
2023-02-15
4,331 reads
Yesterday, I had the opportunity, and the privilege, to attend an all-day workshop put on by Bob Ward teaching all about SQL Server 2022 (you can take this too, Bob is presenting it at SQLSaturday Austin and SQL Bits, and there will be more). It was a great day. Bob is an excellent teacher. Even […]
2023-02-11
116 reads
In this article, we look at the steps to add another disk to an existing Windows Failover Cluster used for SQL Server and also how to move an existing database to this new disk.
2023-02-10
By HeyMo0sh
Microsoft Fabric (not to be confused with the more general term “fabric” in DevOps)...
By James Serra
I’m honored to be hosting T-SQL Tuesday — edition #192. For those who may...
By Vinay Thakur
Continuing from Day 2 , we learned introduction on Generative AI and Agentic AI,...
hi everyone I am not sure how to write the query that will produce...
Comments posted to this topic are about the item Rollback vs. Roll Forward
Comments posted to this topic are about the item Foreign Keys - Foes or...
I have some data in a table:
CREATE TABLE #test_data
(
id INT PRIMARY KEY,
name VARCHAR(100),
birth_date DATE
);
-- Step 2: Insert rows
INSERT INTO #test_data
VALUES
(1, 'Olivia', '2025-01-05'),
(2, 'Emma', '2025-03-02'),
(3, 'Liam', '2025-11-15'),
(4, 'Noah', '2025-12-22');
If I run this query, how many rows are returned?
SELECT *
FROM OPENJSON(
(
SELECT t.* FROM #test_data AS t FOR JSON PATH
)
) t; See possible answers