Top Articles

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
Oracle Data Integrator (ODI),

OBIEE 11g Repository Documentation: Extracting metadata from the RPD

With OBIEE 11g there are two methods to extract metadata from the RPD. The first one uses the admintool.exe command to generate metadata. It was already around in OBIEE 10g.…
Uli Bethke March 8, 2012
Data Lineage,

Limitations ODI – OBIEE data lineage

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes We recently evaluated the ODI-OBIEE data lineage feature that was added…
Uli Bethke February 8, 2012
Oracle Data Integrator (ODI),

What's the best location for the ODI agent?

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes I am just back from a holiday in County Wexford, Ireland's…
Uli Bethke July 24, 2011
Oracle Data Integrator (ODI),

Time series in OBIEE. Analytic functions and range window as an alternative to OBIEE AGO function.

All intellectual credit for this post goes to my colleague Maciek Kocon. I am simply documenting this. We had some performance issues recently using the OBIEE AGO function for time…
Uli Bethke June 1, 2011
Oracle Data Integrator (ODI),

Oracle Data Integrator (ODI) 11g: limitation of load plans

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes When I first heard about the new load plan feature in…
Uli Bethke May 18, 2011
Oracle Data Integrator (ODI),

ODI JDBC variable binding: 500% performance gains, Array Fetch Size, Batch Update Size, Row Prefetching, and the Array Interface; and an issue when running the agent in Weblogic.

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes This is a bit of mouthful of a title. But there is a lot…
Uli Bethke March 22, 2011