ThatJeffSmith

Tag: 12c

Are Invisible Columns Really Invisible?

Today’s question: How are invisible columns treated with DESC, INFO and the GUI equivalent? Super quick, an INVISIBLE column is one that the user doesn’t see. They won’t be able to access it unless they know about it. Security by obscurity? No. Tom Kyte shows a few examples of the features usefulness, especially when adding […]

SQL Developer and a 12c Magic Trick

When you start working with 12c, if you want to freak out (sorry, GRAB the attention of) your co-workers or folks attending your presentation, try this: Open a worksheet Write a simple query against a view, or a data dictionary view Mouse over the SELECT and wait… Should just take a second or so… So […]

Introducing the OTN Developer Day Database 12c VirtualBox Image

If you’re looking for an already configured Oracle Database 12c environment with a database already setup and all the software you need to learn database programming, design, and administration concepts, then look no further: This Stuff is all FREE The virtualization software is VirtualBox – that’s free. And it runs on any OS, including Windows, […]

Defining 12c IDENTITY Columns in Oracle SQL Developer Data Modeler

You’re excited to see that defining triggers and sequences to populate identity columns in Oracle Database is no longer required. You have an Oracle Database 12c instance up and running, and you’re ready to hit the ground running. Wait, what is Jeff talking about? Ok, let’s say I have a ‘BEER’ table. My Primary Key […]

Oracle Database 12c By Example – SQL Developer and Multitenant

As you may have heard, Oracle Database 12c is now available. In addition to the binaries and docs going out, we also published a few new Oracle By Example (OBE) chapters. You can find those links here on our product page. Do you know who found these, practically the minute they were published? An enterprising […]

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