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SQL Challenges,

SQL Challenge: Tackling the Island Problem in Time Series Data

Jump into our SQL Challenge! Today, we’re exploring customer loyalty trends. Are you prepared to show off your SQL skills? About the quiz In this SQL pop quiz, we’re challenging you to demonstrate your understanding of islands in a time series data set. Whoever submits the correct and most performant query will be featured in …
Uli Bethke November 7, 2023
Flexter,

Deep dive on XML converters, XML conversion tools and XML conversion projects

Are you looking for an XML converter or XML conversion tool for enterprise use cases? Are you looking for advice and tips and tricks for an XML conversion project? If…
charlie October 4, 2023
Snowflake,

7 guardrails against common mistakes that inflate Snowflake credit usage 

Dodge costly pitfalls Snowflake implementation has pioneered dozens of innovations in the data platform space. The long list includes separation of compute and storage, physical workload separation, data sharing, data…
Uli Bethke September 13, 2023
FlowHigh,

Automatically detect bad SQL. Static and dynamic analysis of SQL code

Preventing Query Catastrophe with FlowHigh SQL Analyser Does the following sound familiar? As the wizard EsQuEl delved deep into the SQL code, he stumbled upon multiple instances where tables were…
Uli Bethke September 8, 2023
FlowHigh, FlowHigh,

From Code to Clarity: Visualizing SQL code for Documentation and Debugging

In this post we will show you how you can create a visual diagram of your SQL code. We will use the FlowHigh SQL visualiser to achieve this. FlowHigh is…
Uli Bethke May 29, 2023

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FlowHigh,

Automatically detect bad SQL. Static and dynamic analysis of SQL code

Preventing Query Catastrophe with FlowHigh SQL Analyser Does the following sound familiar? As the wizard EsQuEl delved deep into the SQL code, he stumbled upon multiple instances where tables were…
Uli Bethke September 8, 2023
FlowHigh,

Parsing SQL queries in MS SQL Server

This is the third article in our series on parsing SQL in different database technologies and SQL dialects. We explored SQL parsing on Snowflake and then Oracle in our earlier…
Uli Bethke September 4, 2023
FlowHigh,

Bad SQL. SQL anti patterns in OUTER joins

You often need to find both matched and unmatched rows between two or more tables. As we all know we use OUTER joins in SQL to achieve this. However, there…
Uli Bethke August 29, 2023
Data Marketplace,

Country & City Dimension

Country The COUNTRY table serves as a comprehensive repository, capturing essential attributes and details about countries globally. It encompasses unique identifiers, standardized codes, geographical data, and practical information. COUNTRY_CD: Description:…
Uli Bethke August 18, 2023
FlowHigh,

How Snowflake EXCLUDE and ILIKE protects you from bad SQL. ILIKE it like that.

One of the most common and impactful SQL anti patterns is the use of SELECT *. In this article we will explain what an SQL anti pattern is and how…
Uli Bethke August 16, 2023
FlowHigh, FlowHigh,

From Code to Clarity: Visualizing SQL code for Documentation and Debugging

In this post we will show you how you can create a visual diagram of your SQL code. We will use the FlowHigh SQL visualiser to achieve this. FlowHigh is…
Uli Bethke May 29, 2023