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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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data mining,

Online Data Mining Books

Recently a new online Data Mining resource/Book was made available by Dr. Saed Sayad at University of Tronoto. He has developed a very good and clear to follow online book…
Uli Bethke December 11, 2010
Oracle,

Exadata books, Exadata training, Exadata in the cloud, Exadata for Xmas

The Exadata books Achieving Extreme Performance with Oracle Exadata (Osborne ORACLE Press Series) Expert Oracle Exadata The training There are now learning paths and training courses for Oracle Exadata. Exadata…
Uli Bethke December 8, 2010
google,

Data integration, ETL, and data quality with Google Refine 2.0

On 10 November, Google announced Google Refine 2.0. The tool is open source. It has some advanced data quality and data transformation functionality. But nothing really we haven't seen before.…
Uli Bethke December 6, 2010
Oracle Data Integrator (ODI),

Accessing a mapped network drive with the ODI agent as a Windows service

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes The problem The other day we had a requirement to extract…
Uli Bethke December 3, 2010
data mining,

Growing need for IT people with Analytical and/or Data Mining Skills

Dispite the current economic conditions we have been enduring for the past couple of years, there is one type of IT job that is seeing an increase in demand.  This…
Uli Bethke December 1, 2010
Oracle Data Integrator (ODI),

ODI 11g standalone agent as a windows service

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes In the documentation for ODI 11g you can read that you…
Uli Bethke November 19, 2010