How to limit DB Link Connection Timeout Mustafa, 2024-07-03 Hi, I just want to share something small that I dug to learn. I didn’t work with db links for years and now all of a sudden I have tens of them. This comes with new challenges of course. When you tried to run a query or function/procedures over a… Continue Reading
29th of February and interval Mustafa, 2024-02-29 Hi, it has been a long time since I post something. I just relocated to a different country, the Netherlands, and I was dealing with so much paperwork and stuff. So far so good. Dutch people are so kind and warm, they help about everything. My first impression is amazing… Continue Reading
Guid vs Sequences Mustafa, 2023-12-29 Hi Everyone, I haven’t written any posts lately because there is so much going on in my life and biggest change is I am moving to the Netherlands. it is a big change for me and my family but I hope everything will be fine (if we can find a… Continue Reading
Sessions with details Mustafa, 2023-09-212023-09-21 Hi, Today I just want to share a small select statement that I used (my original one is a little bit longer). I use this to get as much as “important” data from sessions in the database. By saying “important”, I mean the data that I use to identify the… Continue Reading
DBMS_PIPE Connecting the Sessions Mustafa, 2023-08-182023-08-18 Hi, It has been a long time since I wrote something. It is summer and I was in a long vacation. Well I worked mostly of course but at least get away a little bit. In this post I would like to talk about PIPEs in Oracle Database. It is… Continue Reading
DBCA Templates and Dangerous “General Purpose” Template Mustafa, 2023-05-11 Hi, I still see that many dba is creating their databases using “General Purpose or Transaction Processing” template. Why you shouldn’t use it? Because it is way too general! if you click the “view details” on the right: Almost all the “Components” are true. So it installs everything even… Continue Reading
Unique Columns For V$Sql Mustafa, 2022-11-11 Hi, Until yesterday I was saying SQL_ID and CHILD_NUMBER is enough to get a sql child cursor from V$SQL and today I know I was wrong. Probably many times you needed the sql statement that a session is running. To do that you query V$session and find the session information… Continue Reading
How to Check Empty Space in a Securefile LOB Mustafa, 2022-09-272022-10-12 Hi, PS: please check last sql statement in this post for shorter and faster solution. first sql is for showing all information about the lob. Yesterday, while checking segment space usage data in a client’s database and some of the LOB segments were absurdly big. So, I want to check… Continue Reading
catcon.pl cheat sheet Mustafa, 2022-08-262023-04-24 Hello, Oracle uses a container database architecture permanently anymore, you should be familiar with “catcon.pl” perl file. Let’s say you have container database with 10 different PDBs and you need to run a script file on all of those pdbs (maybe even in root and seed too) so what you… Continue Reading