Databases
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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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Software Development
How to Quickly Enumerate Indexes in Oracle 11gR2
Do you want to know real quick what kind of indexes there are on any given table in your Oracle…
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Software Development
Single Quotes in Oracle Database Index Column Specification
In my previous post, I mentioned that a downside of using double quotes to explicitly specify case in Oracle identifiers…
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Software Development
Downsides of Mixed Identifiers When Porting Between Oracle and PostgreSQL Databases
Both the Oracle database and the PostgreSQL database use the presence or absence of double quotes to indicate case sensitive…
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Software Development
Benchmarking Aurora vs MySQL: Is Amazon’s New DB Really 5x Faster?
Amazon Aurora: The next generation of hosted database services put to the test In this post we’re taking a closer…
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Software Development
jOOQ Tuesdays: Thomas Muller Unveils How HSQLDB Evolved into the Popular H2 Database
Welcome to the jOOQ Tuesdays series. In this series, we’ll publish an article on the third Tuesday every other month…
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Software Development
Setting PostgreSQL psql Variable Based Upon Query Result
When using PostgreSQL‘s psql command-line tool to interact with a PostgreSQL database via operator interaction or script, it is not…
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