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SQL,

XML to database conversion

XML to Database Converter – Tools, Tips, & XML to SQL Guide

Manually converting XML to a database sucks. If you’re anything like me, you’ve probably burned countless wasted hours wrestling with deeply nested XML and data mappings, misinterpreted XML attributes and…

Maciek December 4, 2024

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”? 😁 Where you find nested CTEs (Common Table Expressions), stacked like…

Uli Bethke November 3, 2024

SQL,

Oracle EXTRACT & EXTRACTVALUE for XML (Guide & Examples)

When you need to extract and/or query an Oracle database for XML data, there are two SQL functions that come to mind, ‘EXTRACT’ and ‘EXTRACTVALUE’. I’m going to delve into…

Maciek October 21, 2024

SQL,

Mastering SQL: How to detect and avoid 34+ Common SQL Antipatterns

Overview Are you looking for reasons why your SQL queries are slow or costly. Look no more. This blog post showcases a comprehensive list of 34 SQL antipatterns. Use it…

Uli Bethke December 6, 2023

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

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