Indexes with NOSEGMENT a.k.a Virtual Index Mustafa, 2022-03-302022-03-30 Hi, Today, an old trainee has contacted with my on linkedin and we talk about some performance issues about a query. During the conversation I suggest to use “virtual indexes” to simulate the index so I wanted to write about virtual indexes and their benefits in this post. if you… Continue Reading
3 Ways to Migrate a Non-CDB Database to a PDB Mustafa, 2022-03-252022-03-26 Hi Everyone, Time is fast and everything is changing constantly. Multi-tenant architecture has come many years ago and starting by 21c, it is the only option! So, old “non-cdb” databases must be migrated/converted to a PDB (Pluggable database). I must admin that I was being lazy for many years and… Continue Reading
STOPPED Job While Migrating Non-CDB to PDB via Autoupgrade Mustafa, 2022-03-202022-03-20 Hi, Lately, I started to learn about autoupgrade which is the new upgrade tool for almost anything. Many thanks to Mike Dietrich for amazing blog posts ( https://mikedietrichde.com ). His blog is a real treasure. I am about to migrate some non-cdbs to pdbs and before doing that I wanted… Continue Reading
How to install Oracle Database Options like Spatial, Label Security etc After DB Creation Mustafa, 2022-03-032022-03-11 Hi, yes, I am aware that title is a little bit long and too informative but I believe it is necessary because terms are complicated according to me. When you say “option” it could be many thinks like “advanced compression” option in EE or Spatial option or Partitioning option and… Continue Reading