Databases
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Software Development
Solving Problems with the Right Technology: Hadoop and RDBMS
In some circles today there is a sort of ‘Hadoop vs. RDBMS’ debate ongoing. Often the discussion casts Hadoop as…
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Software Development
A tale of troubleshooting database performance, with Cassandra and sysdig
Gianluca Bordello is an engineering manager at Sysdig, where he wears many hats. He’s a core developer of sysdig, an…
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Enterprise Java
Using Oracle AQ via Java 8 Streams
One of the most awesome features of the Oracle database is Oracle AQ: Oracle Database Advanced Queuing. The AQ API…
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Scala
Reactive Database Access – Part 3 – Using jOOQ with Scala, Futures and Actors
We’re very happy to continue our a guest post series on the jOOQ blog by Manuel Bernhardt. In this blog…
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Software Development
Oracle LONG and LONG RAW Causing “Stream has already been closed” Exception
Like many old databases, Oracle has legacy data types, which are rather nasty to work with in every day SQL.…
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Enterprise Java
Using the JDBC Insert Features in Oracle
Introduction In this article I will show an example of how to use the JDBC bulk insert features supported by…
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Software Development
Safe Database Migration Pattern Without Downtime
I’ve been doing a continuous delivery talk for a while now and during my talk I describe a pattern of…
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Software Development
Does PostgreSQL Have an ORA-01795-like Limit?
The Oracle database requires that no more than 1000 entries be used in a SQL IN portion of a WHERE…
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Software Development
A beginner’s guide to read and write skew phenomena
Introduction In my article about ACID and database transactions, I introduced the three phenomena described by the SQL standard: dirty…
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