Martin Berger (berx)
@martinberx.bsky.social
husband & father;
performance seeker;
Oracle ACE Alumnus;
proud member of @SYM_42;
Views are my own;
performance seeker;
Oracle ACE Alumnus;
proud member of @SYM_42;
Views are my own;
Note to self:
the time you gain by faster typing you loose by searching for typos.
(no, they do not need to care about _JAVA_OPtIONS )
the time you gain by faster typing you loose by searching for typos.
(no, they do not need to care about _JAVA_OPtIONS )
October 2, 2025 at 1:21 PM
Note to self:
the time you gain by faster typing you loose by searching for typos.
(no, they do not need to care about _JAVA_OPtIONS )
the time you gain by faster typing you loose by searching for typos.
(no, they do not need to care about _JAVA_OPtIONS )
A nice riddle:
what happened between these 2 screenshots?
workload is exactly the same,
eCPUs are constant,
instances are constant,
no change in data, tables, indexes, ...
hint: 23ai
what happened between these 2 screenshots?
workload is exactly the same,
eCPUs are constant,
instances are constant,
no change in data, tables, indexes, ...
hint: 23ai
October 1, 2025 at 8:34 AM
A nice riddle:
what happened between these 2 screenshots?
workload is exactly the same,
eCPUs are constant,
instances are constant,
no change in data, tables, indexes, ...
hint: 23ai
what happened between these 2 screenshots?
workload is exactly the same,
eCPUs are constant,
instances are constant,
no change in data, tables, indexes, ...
hint: 23ai
#POUG2025 is closing down.
Thank you @luizafrompoland.bsky.social , @ora600pl.bsky.social , all the sponsors, speakers, attendees and people in the background.
Hope to see you all at #POUG2026 !
Thank you @luizafrompoland.bsky.social , @ora600pl.bsky.social , all the sponsors, speakers, attendees and people in the background.
Hope to see you all at #POUG2026 !
September 6, 2025 at 2:40 PM
#POUG2025 is closing down.
Thank you @luizafrompoland.bsky.social , @ora600pl.bsky.social , all the sponsors, speakers, attendees and people in the background.
Hope to see you all at #POUG2026 !
Thank you @luizafrompoland.bsky.social , @ora600pl.bsky.social , all the sponsors, speakers, attendees and people in the background.
Hope to see you all at #POUG2026 !
Traditionally, the last presentations at #POUG are some easy stuff for an exhausted audience.
@christophlutz.bsky.social will for sure follow this tradition this year #POUG2025 😁
@christophlutz.bsky.social will for sure follow this tradition this year #POUG2025 😁
September 6, 2025 at 1:44 PM
Traditionally, the last presentations at #POUG are some easy stuff for an exhausted audience.
@christophlutz.bsky.social will for sure follow this tradition this year #POUG2025 😁
@christophlutz.bsky.social will for sure follow this tradition this year #POUG2025 😁
Upgrades are automagic nowadays - aren't they?
@dohdatabase.com tells us what (..) is going on under the hood - or what can be achieved manually.
@dohdatabase.com tells us what (..) is going on under the hood - or what can be achieved manually.
September 6, 2025 at 12:49 PM
Upgrades are automagic nowadays - aren't they?
@dohdatabase.com tells us what (..) is going on under the hood - or what can be achieved manually.
@dohdatabase.com tells us what (..) is going on under the hood - or what can be achieved manually.
@fsimondba.bsky.social will keep us awake with insights into MAA details.
Introduced by @ludovico.bsky.social at #POUG2025
Introduced by @ludovico.bsky.social at #POUG2025
September 6, 2025 at 11:48 AM
@fsimondba.bsky.social will keep us awake with insights into MAA details.
Introduced by @ludovico.bsky.social at #POUG2025
Introduced by @ludovico.bsky.social at #POUG2025
September 6, 2025 at 10:02 AM
@tmmdv.bsky.social has a modern relationship with performance tools ( some is love, some is hate) - and shares his experience on #POUG2025
September 6, 2025 at 9:04 AM
@tmmdv.bsky.social has a modern relationship with performance tools ( some is love, some is hate) - and shares his experience on #POUG2025
@jasminfluri.bsky.social has a very special relation to Observability - and convinces us at #POUG2025
September 6, 2025 at 8:13 AM
@jasminfluri.bsky.social has a very special relation to Observability - and convinces us at #POUG2025
@chandlerdba.bsky.social closes the official track of day 1 #POUG2025
September 5, 2025 at 3:54 PM
@chandlerdba.bsky.social closes the official track of day 1 #POUG2025
@connormcd.bsky.social goes terminal only ( no slides) at #POUG2015
September 5, 2025 at 12:49 PM
@connormcd.bsky.social goes terminal only ( no slides) at #POUG2015
Fighting food coma at #POUG2025
@julianfrey.ch keeps us awake with a great presentation about EM24 (ai)
@julianfrey.ch keeps us awake with a great presentation about EM24 (ai)
September 5, 2025 at 11:47 AM
Fighting food coma at #POUG2025
@julianfrey.ch keeps us awake with a great presentation about EM24 (ai)
@julianfrey.ch keeps us awake with a great presentation about EM24 (ai)
September 5, 2025 at 9:09 AM
#PPUG2025 start the 10th anniversary
🎉
Happy birthday !
@luizafrompoland.bsky.social & @ora600pl.bsky.social
🎉
Happy birthday !
@luizafrompoland.bsky.social & @ora600pl.bsky.social
September 5, 2025 at 7:08 AM
#PPUG2025 start the 10th anniversary
🎉
Happy birthday !
@luizafrompoland.bsky.social & @ora600pl.bsky.social
🎉
Happy birthday !
@luizafrompoland.bsky.social & @ora600pl.bsky.social
Next to the museum of art from the socialist period
August 12, 2025 at 9:17 AM
Next to the museum of art from the socialist period
When in Sofia, it's worth visiting Bojana church.
(Inside no photography is allowed. Just look & remember)
(Inside no photography is allowed. Just look & remember)
August 10, 2025 at 10:50 AM
When in Sofia, it's worth visiting Bojana church.
(Inside no photography is allowed. Just look & remember)
(Inside no photography is allowed. Just look & remember)
when my shared poool isn't as large as I'd expected ...
August 7, 2025 at 7:48 AM
when my shared poool isn't as large as I'd expected ...
I refer to
alter session set events 'trace[ SQL_Code_Generator.*] ';
there isn't a lot available on the open internet.
Together with SQL_Optimizer (and others) ot belongs to SQL_Compiler.
alter session set events 'trace[ SQL_Code_Generator.*] ';
there isn't a lot available on the open internet.
Together with SQL_Optimizer (and others) ot belongs to SQL_Compiler.
June 24, 2025 at 1:41 PM
I refer to
alter session set events 'trace[ SQL_Code_Generator.*] ';
there isn't a lot available on the open internet.
Together with SQL_Optimizer (and others) ot belongs to SQL_Compiler.
alter session set events 'trace[ SQL_Code_Generator.*] ';
there isn't a lot available on the open internet.
Together with SQL_Optimizer (and others) ot belongs to SQL_Compiler.
June 18, 2025 at 6:34 AM
when following NRIDs for chained rows, it can be hard to identify the next block.
This piece might be "good enough" for many cases.
www.nyoug.org/Presentation...
This piece might be "good enough" for many cases.
www.nyoug.org/Presentation...
June 17, 2025 at 11:51 AM
when following NRIDs for chained rows, it can be hard to identify the next block.
This piece might be "good enough" for many cases.
www.nyoug.org/Presentation...
This piece might be "good enough" for many cases.
www.nyoug.org/Presentation...
some fun with sysdate:
SELECT level, sysdate, my_sysdate
FROM dual
connect by level < 10;
L SYSDATE MY_SYSDATE
- ------------------- ----------
1 2025-06-05 06:58:10 2025-06-05 06:58:11
2 2025-06-05 06:58:10 2025-06-05 06:58:12
3 2025-06-05 06:58:10 2025-06-05 06:58:13
...
SELECT level, sysdate, my_sysdate
FROM dual
connect by level < 10;
L SYSDATE MY_SYSDATE
- ------------------- ----------
1 2025-06-05 06:58:10 2025-06-05 06:58:11
2 2025-06-05 06:58:10 2025-06-05 06:58:12
3 2025-06-05 06:58:10 2025-06-05 06:58:13
...
June 5, 2025 at 7:00 AM
some fun with sysdate:
SELECT level, sysdate, my_sysdate
FROM dual
connect by level < 10;
L SYSDATE MY_SYSDATE
- ------------------- ----------
1 2025-06-05 06:58:10 2025-06-05 06:58:11
2 2025-06-05 06:58:10 2025-06-05 06:58:12
3 2025-06-05 06:58:10 2025-06-05 06:58:13
...
SELECT level, sysdate, my_sysdate
FROM dual
connect by level < 10;
L SYSDATE MY_SYSDATE
- ------------------- ----------
1 2025-06-05 06:58:10 2025-06-05 06:58:11
2 2025-06-05 06:58:10 2025-06-05 06:58:12
3 2025-06-05 06:58:10 2025-06-05 06:58:13
...
something is odd there.
can you spot it?
can you spot it?
May 30, 2025 at 9:47 AM
something is odd there.
can you spot it?
can you spot it?