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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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Oracle Data Integrator (ODI),

ODI Snippets: Reverse engineer surrogate key of XML/XSD as VARCHAR

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes The other day I had to load data from an Oracle…
Uli Bethke October 7, 2009
Oracle Data Integrator (ODI),

ODI Snippets: Installing multiple ODI agents on one server

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes Sometimes it may come in handy to have multiple agents running…
Uli Bethke October 7, 2009
Irish BI SIG,

OBIEE & OBI Apps event, Dublin, Ireland, 17 September

There has been very little activity on the blog recently as I've been busy working on an ODI data integration project. The good thing though is that I have collected…
Uli Bethke August 21, 2009
Oracle Data Integrator (ODI),

Losing timestamp in ODI when using ojdbc14.jar

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes The ojdbc14.jar version of the JDBC driver is losing timestamp information…
Uli Bethke July 15, 2009
ETL,

Oracle Data Integrator vs. Oracle Warehouse Builder: What to do, what to do?

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes One of the questions that regularly comes up in the forums,…
Uli Bethke July 13, 2009
Business Intelligence,

Essential skills any BI Consultant should have. Or why a fool with a tool is still a fool.

Today I'm gonna be mean. Before we start though, here is my definition of a BI consultant. In my eyes, a BI consultant is the guy at the frontend of…
Uli Bethke June 26, 2009