Blog: Michael McLaughlin


210 blogs updated: 8 min. ago
Fedora Install unixODBC
Encountered a problem while running the RODBC library from the R prompt as the root user, as follows: > install.packages('RODBC') It failed ...
3
21-04-2018 07:49:36 Michael McLaughlin Mishmash
Fedora R Install
I've started building the new image for the database courses. This one needs to include Oracle, MySQL, Cassandra, Hive, and MongoDB database...
6
14-04-2018 23:15:09 Michael McLaughlin Mishmash
External Tables + Merge
This is an example of how you would upload data from a flat file, or Comma Separated Value (CSV) file. It's important to note that in the fi...
9
12-03-2018 04:19:41 Michael McLaughlin Mishmash
Windows 10 Laptops
Teaching Oracle technology always has challenges. They're generally large challenges because we ask students to run 4 GB Linux VM with Oracl...
4
16-01-2018 05:41:10 Michael McLaughlin Mishmash
Apple iTunes Bug
Over the years, this bug never gets fixed. I know it must irritate more people than just me. Unlike those who live in urban communities with...
3
23-12-2017 07:11:40 Michael McLaughlin Mishmash
Oracle 12c and PHP
This answers "How you connect PHP programs to an Oracle 12c multitenant database. This shows you how to connect your PHP programs to a user-...
9
10-12-2017 21:19:48 Michael McLaughlin Mishmash
Type Dependent Tree
While trying to explain a student question about Oracle object types, it seemed necessary to show how to write a dependency tree. I did some...
9
10-12-2017 09:22:21 Michael McLaughlin Mishmash
Substitutable Columns
Oracle's substitutable columns are interesting and substantially different than Oracle's nested tables. The benefit of substitutable columns...
10
09-12-2017 08:01:13 Michael McLaughlin Mishmash
How to install MongoDB
This post shows the yum command to install the MongoDB packages on Linux. More on setup and use will follow. You install the MongoDB package...
9
28-09-2017 06:36:51 Michael McLaughlin Mishmash
PostgreSQL Automatic IDs
It's interesting to see the way different databases implement automatic numbering. Oracle Database 12c is the closest to PostgreSQL in some ...
10
04-08-2017 09:22:03 Michael McLaughlin Mishmash


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