Month: August 2015

12C, LINUX, Oracle, Virtual Box

Oracle DB12c on OL7 with Virtual Box 5 installation issues

As usual, I’m goofing off in my home Data Center (riiiiight), and I decide to install Oracle Linux 7 and the 12c Database. While not concerning myself with what’s on the Compatibility Matrix, I go ahead and start up Virtual Box 5 (recently released) and install my O/S. ┬áNo problem there so, I’m thinking everything …

LINUX, NFS, Oracle

Configure NFS on Oracle Linux 6.6

Configure NFS on Oracle Linux 6.6 I started taking a class yesterday and volunteered to help figure out how to share directories between linux machines on the same network. I decided to make it a blog post. First let’s get it straight that I am not a Linux Admin or anything like that so this …

REGEXP_LIKE, Regular Expressions

Reject Malformed Email Using Check Constraints with REGEXP_LIKE function

Using Check Constraints with Regular Expressions was something I just wanted to experiment with. Turns out they can be effective. The example here will address a common problem when requesting information from a user. One can argue that the this type of check should be done at the application layer and not the database layer, …