Databases
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Software Development
The SQL Language’s Most Missing Feature
SQL is also awesome in many ways. We can write out the most complex truths and facts and have the…
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Software Development
Lesser-Known SQL Features: DEFAULT VALUES
A lesser-known SQL feature is the DEFAULT keyword, which can be used in INSERT and UPDATE statements. Consider the following…
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Software Development
MongoDB “Lightning Fast Aggregation” Challenged with Oracle
What does “Scale” even mean in the context of databases? When talking about scaling, people have jumped to the vendor-induced…
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Software Development
Counting Distinct Records in SQL
The SQL language and its depths… Some of you readers might be aware of MySQL’s capability of counting distinct records…
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Software Development
Add LATERAL Joins or CROSS APPLY to Your SQL Tool Chain
The T-SQL dialect has known the powerful CROSS APPLY and OUTER APPLY JOIN syntaxes for ages. The SQL:1999 standard had…
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Software Development
Using SQL Injection Vulnerabilities to Dump Your Database
The threat caused by SQL injection is heavily underestimated even by many senior developers and software architects. Most people are…
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Enterprise Java
JOOQ Facts: From JPA Annotations to JOOQ Table Mappings
JOOQ is a neat framework, and it addresses a long issue I’ve had with advanced dynamic filtered queries. While Hibernate…
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Software Development
Multi-tier application + database deadlock or why databases aren’t queues (part1)
Databases aren’t queues. And despite the ubiquitous presence of queuing technology out there (ActiveMQ, MSMQ, MSSQL Service Broker, Oracle Advanced…
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Software Development
Why Staying in Control of Your SQL is so Important
Lots of blog posts and research papers are written about the topics of scaling up and scaling out. This interesting…
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