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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: Converting a temp interface to a regular interface

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes Amongst other things, temp interfaces in ODI are a great way…
Uli Bethke October 31, 2010
Oracle Data Integrator (ODI),

ODI 11g: Oracle by Example

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes Oracle have added some more content to the ODI Oracle by…
Uli Bethke October 31, 2010
Data Warehousing Books,

Introduction to star schemas and dimensional modeling concepts.

I recently came across two excellent papers that give an introduction to star schemas and dimensional modeling. The two papers have a unique anlgle in that they apply a rule…
Uli Bethke October 16, 2010
Oracle,

Oracle Data Integrator (ODI): Timestamp with local timezone and daylights saving time

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes If you are you using the Oracle data type TIMESTAMP WITH…
Uli Bethke October 16, 2010
Oracle Data Integrator (ODI),

Oracle Data Integrator (ODI) 11g SDK code samples

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes The absolute highlight of ODI 11g is the new SDK. From…
Uli Bethke September 11, 2010
Oracle Data Integrator (ODI),

Subselect, derived tables, and subqueries in ODI 11G

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes I think one of the best new features in ODI 11G is the subselect/subquery…
Uli Bethke September 9, 2010