Learning is not a spectator sport
Connor McDonald on SQL and the Oracle Database
Tag: dba
Grab all the DDL
I posted a video a couple of days ago showing a trigger mechanism to customize the capture of DDL that is issued on your database. The aim here is to be more generous with letting developers execute DDL on their Development databases, whilst still…
Application Express 19.1
AskTOM moved to Application Express 19.1 without any major issues last weekend. That in itself is a nice endorsement for APEX, given that the AskTOM application dates back nearly 20 years to 2001, and predates even the existence of APEX. The only fix that…
Long running scheduler jobs
One of the nice things about the job scheduler in the Oracle database is the easily interpreted interval settings you can apply for job frequency. The days of cryptic strings like “sysdate+0.000694444” when all you really wanted to say was “Just run this job…
External table preprocessor on Windows
There are plenty of blog posts about using the pre-processor facility in external tables to get OS level information available from inside the database. Here’s a simple example of getting a directory listing: run_os.bat ========== @echo off cd \oracle dir /b SQL> create table…
Worth the wait
Yes, I know it’s been awhile Yes, I know people have been angry at the delay But, can we put that behind us, and rejoice in the fact…that YES It’s here! Yes, 18c XE for Windows is now available. https://www.oracle.com/technetwork/database/database-technologies/express-edition/downloads/index.html Most probably, most developers…
Statistics on Object tables
Way back in Oracle 8.0 we introduced the “Object-Relational” database, which was “the next big thing” in the database community back then. Every vendor was scrambling to show just how cool their database technology was with the object-oriented programming paradigm. Don’t get me wrong…
DBMS_JOB is an asynchronous mechanism
One of the very cool things about DBMS_JOB is that a job does not “exist” as such until the session that submitted the job commits the transaction. (This in my opinion is a critical feature that is missing from the DBMS_SCHEDULER package which, other than…
