Happy New Year to all those kind enough to read my blog! 2014 was the year I started blogging and presenting at Oracle-related conferences. It has been a great experience. I enjoy studying specific problems in depth and being able to correct or improve my efforts without constraints. Thanks very much to all those who […]
IEEE Spectrum published a ranking of the most popular programming languages. Computational journalist Nick Diakopoulos wrote the article. While it may surprise some, I wasn’t surprised to find SQL in the top ten.
More than a few people think that I am pretty good at what I do, that I am successful. I respect their judgement and thought about what contributed to my success. I came up with four that form a foundation for (my) success. Since it is possible that others will find them helpful, I have decided to share my Four Secrets of Success (book in the works, film rights sold to Branjolina Films).
Another batch of SQL brainteasers. This time the clues are to the powers of mythical creatures – the task is to guess the creature!
There’s six in all, can you get them all? Put your answers in the comments!
update target_of_gaze set state = 'stone';
delete from creature where appendage = 'head';
I am happy to announce, that I’ve just published my first android app – Simple oracle client for android!
Since this is only the first version, I’m sure that it contains various UI bugs, so I’ll wait for reviews and bug reports!
Somebody wanted to know how to find any non-unique indexes in MySQL. The query takes a session variable with the table name and returns the non-unique indexes by column names. It uses a correlated subquery to exclude the table constraints.