Archive for category Database
a sql quiz + is a lower hourly rate cheaper?
February 27th, 2011 by Jeanne BoyarskySuppose you have a task to write some JDBC code and you need to do so in the cheapest way possible. Having your people grow should not be considered here, just the rate. Person A Charges 3X per hour and can write working code on the first shot, test it and complete it within an [...]
Posted: 27 February, 2011 in Database, Development Process, Java/J2EE.
Comments: 10
Memo: Avoid Functions in Database Queries
October 21st, 2010 by Scott SelikoffThe most common type of questions in the JavaRanch JDBC forum tends to be about improving performance in a database (that, and “Where can I download a JDBC Driver?”). While remote trouble-shooting performance issues can be tricky, we often spot issues with the presented queries and offer alternatives to improve performance. One issue I see [...]
Posted: 21 October, 2010 in Database, JDBC.
Tags: Database, function, functions, index, javaranch, JDBC, mysql, queries, query
Comments: 2
postgresql and jdbc
June 13th, 2010 by Jeanne BoyarskyIn postgresql – selecting maximum for each group, we saw the actual stored function. That was the easy part. Then there was dealing with Postgresql and JDBC. I encountered a few surprises while doing this. Calling the stored function I expected to use JDBC’s CallableStatement since I was calling a stored procedure. Nope. The proper [...]
Posted: 13 June, 2010 in Database, JavaRanch, JDBC.
Tags: JDBC, postgresql
Comments: 1
