Tag Archives: Oracle Database 12c
At the RMOUG Training Days, a couple of weeks, ago @GeraldVenzl and I delivered a session demonstrating what it would take to get a REST enabled, web-based application up and running with Oracle Database 12c. During the session Gerald asked me … Continue reading
My favorite marquee feature in Oracle Database 12c is Database In-Memory. With the introduction of Database In-Memory in 188.8.131.52, data can now be populated into memory both in a row format (the buffer cache) and a new in-memory optimized column … Continue reading
I know I promised more blog posts on the new features in Oracle Database 12c but I thought I would cheat on today’s post and point you to an article I wrote in the current issue of UKOUG’s Scene Magazine. … Continue reading
Prior to Oracle Database 12c Release 2, all object names had been limited to just 30 bytes. This limitation lead to some interesting problems, especially if you wanted to use descriptive names for the database objects you were creating.
Take for example the dictionary tables we wanted to create in 12.1 to help manage SQL Plan Directives. The first table was DBA_SQL_PLAN_DIRECTIVES, with 23 characters, which wasn’t problem. However, the second table we wanted was DBA_SQL_PLAN_DIRECTIVES_OBJECTS. Continue reading
Yesterday saw Oracle complete the release of Oracle database 12c Release 2 when the software became available for download on Oracle.com for both Linux & SPARC. Earlier this year I was lucky enough to have an opportunity to grab a … Continue reading
Today Oracle Database 12c Release 2 became available for download on Oracle.com for both Linux & SPARC. So anyone who wasn’t ready to try 12.2 in the Cloud can now play around with it, in the comfort of their own environment.
With each new release of the Oracle Database come fundamental architectural changes, driven by new technologies and user requirements. This has never been more evident than with Oracle Database 12c, which has 3 marquee features: Continue reading
I got a great follow up question to my earlier blog on Online Statistics Gathering; that I thought might be of interest to other and worthy of a short post of its own.
The question related to sample size used to gather histograms on a table that originally had its statistics gathered via a direct path load operation.
Let’s look at any example: Continue reading