Top Articles

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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MS SQL,

ODI and Integrated Security/Authentication with Microsoft SQL Server

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and RecipesSetting up integrated security with the SQL Server JDBC driver can be…
Uli Bethke May 4, 2010
OBIEE,

What has ODI encryption got to do with clearing the OBIEE cache???

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and Recipes As part of a data mart refresh I am using nqcmd…
Uli Bethke April 22, 2010
Oracle,

Oracle naming conventions and coding guidelines for SQL and PL/SQL

Reading the German database pro magazine this morning I saw that Swiss consultancy Trivadis has published a very useful document on Oracle naming conventions and Oracle coding guidelines for SQL…
Uli Bethke April 17, 2010
Books,

Data warehousing and business intelligence books for project managers and business analysts

In other parts of this series we have had a look at data warehousing books that cover the design and architecture of a business intelligence solution. I have also covered data warehousing books…
Uli Bethke April 2, 2010
Oracle Data Integrator (ODI),

Nesting ODI substitution method calls. Part 1.

Get our e-books Discover the Oracle Data Integrator 11g Repository Data Model and Oracle Data Integrator Snippets and RecipesI am not getting around doing too much blogging on ODI these…
Uli Bethke March 29, 2010
Oracle,

Exploring the Oracle Data Miner Interface

Once you have successfully installed Oracle Data Miner and established a connection you will be presented with the main ODM window with the navigator pane on the left hand side.…
Uli Bethke March 22, 2010