Bitmap indexes: the ugly Database concepts Add comments Jun 012012 Share this:FacebookGoogleTwitter select posts from sqlfail where content like :this_post; Bitmap indexes: the bad Bitmap indexes: the good More fun with nulls and (bitmap) indexes Joining the Bitmap Revolution Another persistent myth: bitmap index candidates 2 Responses to “Bitmap indexes: the ugly” Jeff Kemp says: June 5, 2012 at 05:07 What is a “yatch”? Is it something you catch with a latch? Reply Chris Saxon says: June 7, 2012 at 19:44 It’s, um, an undocumented form of lock/latch in Oracle, buried deep within the thatch of the database. If you catch one it could bring down a batch of processes as it attempts to sail away on a yacht! Reply Leave a Reply Cancel reply Your Comment You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong> Name (required) E-mail (required) URI Notify me of follow-up comments by email. Notify me of new posts by email.