Month: January 2015

RiseVision Calendar Widget

I have adapted RiseVision’s Google Calendar Widget to improve its usefulness for institutions that work on a weekly schedule, such as churches and other houses of worship. The staff at RiseVision have incorporated all my innovations except the CSS stuff into their standard widget. To learn how to configure and use this widget with your favorite Google Calendar, read this. In… Read more →

Unique Numbers in Oracle and MySQL

It’s common in database work to need unique integers. They get used in id columns in tables, and for other purposes. This note compares and contrasts the Oracle and MySQL approaches to doing this. MySQL handles this need with autoincrement columns, in tables and Oracle handles it with database objects called sequences. In MySQL, when you have an autoincrement column… Read more →