Skip to main content

Three New Members of the Oracle Database Evangelist Team

A long, long time ago....I announced that I had been given the honor of assembling a team of evangelists, whose job would be to promote Oracle Database as an application development platform.

In other words, make sure that current and future users fully leverage all the amazing features for developers that are baked into Oracle Database, such as SQL, PL/SQL, Oracle Text, Oracle Spatial, edition-based redefinition and more.

I am very pleased to announce that my team has now swelled dramatically from one person (me) to four, with one more to come on board in early 2015.

I will make a more "formal" announcement of our team and our plans in Q1 2015, but for now, I did want to share the joyful feeling I feel.

Drum roll, please....


Todd Trichler, Community Manager

Todd got his start at Oracle working with Partners in Alliances. For over a decade he has been focused on technology outreach, working closely with development to drive "grass-roots" engagements in both Oracle and open source developer communities. He is passionate about family and building community, loves meeting new people and learning new technologies, while sharing what he's learned with others.









Natalka Roshak, SQL Evangelist


It all started with an innocuous student job as a data analyst. It wasn't long before Natalka was firmly hooked on SQL. Since then she's been a developer, a DBA, a RAC guru, and sometimes all of the above at once. She's excited to have an opportunity to share her passion for and knowledge about SQL with others, especially those new to relational technology.








Dan McGhan,  Javascript/HTML5 Evangelist

Dan suffers from Compulsive Programming Disorder, which is believed to be linked to his balding. Having started his development career in the land of MySQL and PHP, he was only too happy to have stumbled upon Oracle Application Express. Since then, he’s dedicated his programming efforts to learning more about Oracle and web based technologies in general. These days he enjoys sharing the passion he's developed for JavaScript and HTML5 with others.

Dan shared his decision to join Oracle on his blog. Read more here.

Comments

  1. Great news!

    Nice to see Todd back in the fold also!

    Cheers

    Tim...

    ReplyDelete

Post a Comment

Popular posts from this blog

Running out of PGA memory with MULTISET ops? Watch out for DISTINCT!

A PL/SQL team inside Oracle made excellent use of nested tables and MULTISET operators in SQL, blending data in tables with procedurally-generated datasets (nested tables).  All was going well when they hit the dreaded: ORA-04030: out of process memory when trying to allocate 2032 bytes  They asked for my help.  The error occurred on this SELECT: SELECT  *    FROM header_tab trx    WHERE (generated_ntab1 SUBMULTISET OF trx.column_ntab)       AND ((trx.column_ntab MULTISET             EXCEPT DISTINCT generated_ntab2) IS EMPTY) The problem is clearly related to the use of those nested tables. Now, there was clearly sufficient PGA for the nested tables themselves. So the problem was in executing the MULTISET-related functionality. We talked for a bit about dropping the use of nested tables and instead doing everything in SQL, to avoid the PGA error. That would, however require lots of wo...

How to Pick the Limit for BULK COLLECT

This question rolled into my In Box today: In the case of using the LIMIT clause of BULK COLLECT, how do we decide what value to use for the limit? First I give the quick answer, then I provide support for that answer Quick Answer Start with 100. That's the default (and only) setting for cursor FOR loop optimizations. It offers a sweet spot of improved performance over row-by-row and not-too-much PGA memory consumption. Test to see if that's fast enough (likely will be for many cases). If not, try higher values until you reach the performance level you need - and you are not consuming too much PGA memory.  Don't hard-code the limit value: make it a parameter to your subprogram or a constant in a package specification. Don't put anything in the collection you don't need. [from Giulio Dottorini] Remember: each session that runs this code will use that amount of memory. Background When you use BULK COLLECT, you retrieve more than row with each fetch, ...

Why DBMS_OUTPUT.PUT_LINE should not be in your application code

A database developer recently came across my  Bulletproof PL/SQL  presentation, which includes this slide. That first item in the list caught his attention: Never put calls to DBMS_OUTPUT.PUT_LINE in your application code. So he sent me an email asking why I would say that. Well, I suppose that is the problem with publishing slide decks. All the explanatory verbiage is missing. I suppose maybe I should do a video. :-) But in the meantime, allow me to explain. First, what does DBMS_OUTPUT.PUT_LINE do? It writes text out to a buffer, and when your current PL/SQL block terminates, the buffer is displayed on your screen. [Note: there can be more to it than that. For example, you could in your own code call DBMS_OUTPUT.GET_LINE(S) to get the contents of the buffer and do something with it, but I will keep things simple right now.] Second, if I am telling you not to use this built-in, how could text from your program be displayed on your screen? Not without a lot o...