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Data Lineage,

SQL Visualisation Guide – Query Diagrams, Lineage & ERD

Have you ever inherited the SQL codebase from someone else where it is in a “bit of a mess”? 😁 Sound familiar? Most data engineers and SQL developers have been there including myself—staring at a spaghetti-like web of queries, trying to untangle a chaotic SQL codebase. It’s a common nightmare. Traditionally, you had to fight …
Kristijan Berta November 3, 2024
SQL,

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…
Kristijan Berta November 7, 2023
XML,

XML Converters & Conversion – Ultimate Guide (2024)

“Urgent XML Conversion Project – Need by End of Week”. “Just Convert this XML to SQL Tables. Should be Simple!” Sound familiar?  From my experience, XML conversion projects follow the…
abbi 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…
Kristijan Berta September 13, 2023
SQL,

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…
Kristijan Berta September 8, 2023

Recent Articles

All JSON Snowflake XML
Snowflake, Snowflake,

Date Dimension with Global Holiday Calendar

Overview A date dimension is an essential table in a data model that allows to analyze performance more effectively across different time periods. It should be included in every dimensional…
Kristijan Berta March 21, 2022
Snowflake, Snowflake,

Canada Postal Code on Snowflake Marketplace

Overview Canada’s postal codes are alphanumeric, like Dutch, Irish, and British postcodes. Canadian postal codes are in the format A1A 1A1, where A is a letter and 1 is a…
Kristijan Berta January 25, 2022
Snowflake, Snowflake,

Administrative Boundaries USA

Overview The dataset Administrative Boundaries USA contains border information as polygons about the following divisions of the fifty states, the District of Columbia, Puerto Rico, and the Island areas (American…
Kristijan Berta December 20, 2021
Snowflake,

Data Warehouse 3.0. A Reference Architecture for the Modern Data Warehouse.

Reference data architecture for data management and analytics. An introduction. I frequently come across data architecture diagrams that are riddled with vendor names, tools, and technologies. Tools and technologies have…
Kristijan Berta December 9, 2021
SQL Parser, FlowHigh,

SQL Parser deep dive. Use cases, features, practical examples, and tools for SQL parsing

In this blog post we will cover all aspects of SQL parsing. First we will explain what we mean by SQL parsing and look at the inner workings and mechanics…
Kristijan Berta October 22, 2021
XML, flexter, JSON, XML,

Converting XML and JSON to a Data Lake

Data lakes are a popular design pattern in data analytics. A data lake is used to store a copy of data coming from operational source systems such as relational databases.…
Kristijan Berta September 30, 2021