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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 …
Uli Bethke 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…
Uli Bethke 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…
Maciek 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
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…
Uli Bethke September 8, 2023

Recent Articles

All JSON Snowflake XML
Data Warehouse,

Dimensional Modeling and Kimball Data Marts in the Age of Big Data and Hadoop

The purpose of this article is threefold (1) Show that we will always need a data model (either done by humans or machines) (2) Show that physical modelling is not…
Uli Bethke May 15, 2017
Oracle Data Integrator (ODI),

Automating XML Conversion with Oracle's ETL Tool ODI

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and RecipesIn the previous posts we demonstrated how Flexter liberates data from complex…
Uli Bethke February 10, 2017
Oracle Data Integrator (ODI),

Parsing XML to Oracle. ODI vs Flexter Enterprise XML Parser

In some previous posts we demonstrated how to load XML data into an Oracle database using ODI. We first looked at some of the issues when reverse engineering an XSD…
Maciek December 27, 2016
Oracle Data Integrator (ODI),

Tips for parsing and loading complex NDC XML files in ODI

This is the second part in a multi part series on XML processing in ODI. In our previous post Tips for Reverse Engineering complex XSDs such as SEPA and NDC…
Maciek December 21, 2016
Oracle Data Integrator (ODI),

Tips for Reverse Engineering complex XSDs such as SEPA and NDC in ODI

In this post we will show you a few tips and ODI issues when reverse engineering complex industry XML schemas (XSD) such as NDC FlightPriceRS or SEPA Pain.001.This is the…
Maciek December 19, 2016
XML,

No Code XML Conversion to Oracle

In a previous post we demonstrated how to use Flexter to convert XML data into TSV files.This was just an introduction demonstrating some basic features of Flexter including concepts around…
Maciek December 16, 2016