--- title: "#pdb articles | Hashnode" description: "Explore 32 articles tagged #pdb on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/pdb" --- Tag # #pdb 32 posts · 0 followers [Michael](https://hashnode.com/@mmuehlbeyer) · [Aug 20](https://hashnode.com/posts/unable-to-open-a-cloned-pdb-with-ora-44303-ora-44775/6a873a9d509d14fcd0db9376) ### [unable to open a cloned PDB with ORA-44303 & ORA-44775](https://mmuehlbeyer.hashnode.dev/unable-to-open-a-cloned-pdb-with-ora-44303-ora-44775?utm_source=hashnode&utm_medium=feed) Last week I've stumbled over an issues while cloning PDB from on CDB to another (remote) CDB. Basically everything has been done as usual. a common user has been created on the source CDB database h 3 min read · [mmuehlbeyer.hashnode.dev](https://mmuehlbeyer.hashnode.dev/unable-to-open-a-cloned-pdb-with-ora-44303-ora-44775?utm_source=hashnode&utm_medium=feed) [David Sanz](https://hashnode.com/@sanzmaci) · [Jun 20](https://hashnode.com/posts/oci-clone-pdb/6a370df4b13bacdd9173a2ae) ### [\[OCI\] Clone PDB](https://dbaintheshadow.com/oci-clone-pdb?utm_source=hashnode&utm_medium=feed) If you prefer to read in Spanish Spanish version. Today, let's talk about the steps to clone a PDB using RMAN Active Duplicate or DDL commands betweent differents CDB$Root. DDL Let's use a script in 3 min read · [dbaintheshadow.com](https://dbaintheshadow.com/oci-clone-pdb?utm_source=hashnode&utm_medium=feed) [Sagar Thosar](https://hashnode.com/@sagarthosar) · [Jun 5](https://hashnode.com/posts/oracle-26ai-setting-up-data-guard-per-pluggable-database-dgpdb-from-scratch/6a2339d7f685a602c6cd2bfb) ### [Oracle 26ai — Setting Up Data Guard Per Pluggable Database (DGPDB) From Scratch](https://sagarthosar.hashnode.dev/oracle-26ai-setting-up-data-guard-per-pluggable-database-dgpdb-from-scratch?utm_source=hashnode&utm_medium=feed) Pluggable database level dataguard setup with switchover of only one pdb at a time. Redo flows bidirectionally between two CDB databases. 13 min read · [sagarthosar.hashnode.dev](https://sagarthosar.hashnode.dev/oracle-26ai-setting-up-data-guard-per-pluggable-database-dgpdb-from-scratch?utm_source=hashnode&utm_medium=feed) [David Sanz](https://hashnode.com/@sanzmaci) · [Apr 9](https://hashnode.com/posts/26ai-hybrid-read-only-mode-pdb/69d8327dfa7251682e13c92d) ### [\[26ai\] Hybrid Read-Only Mode PDB](https://dbaintheshadow.com/26ai-hybrid-read-only-mode-pdb?utm_source=hashnode&utm_medium=feed) If you prefer to read in Spanish Spanish version. Today, let's talk about a new Hybrid Read-Only open-mode in 26ai. When we set up this mode, our PDB is read-only mode for local users and read-write f 3 min read · [dbaintheshadow.com](https://dbaintheshadow.com/26ai-hybrid-read-only-mode-pdb?utm_source=hashnode&utm_medium=feed) [tarun](https://hashnode.com/@tarungampa) · [Feb 26](https://hashnode.com/posts/prevent-kubernetes-downtime-during-maintenance-use-pod-disruption-budgets-pdbs/699fa9320e6688c072535110) ### [Prevent Kubernetes Downtime During Maintenance: Use Pod Disruption Budgets (PDBs)](https://tarungampa.hashnode.dev/prevent-kubernetes-downtime-during-maintenance-use-pod-disruption-budgets-pdbs?utm_source=hashnode&utm_medium=feed) You're doing a cluster upgrade. Or maybe someone drained a node for maintenance. Either way, your app goes down — even though you had replicas running. If this sounds familiar, the missing piece is al 3 min read · [tarungampa.hashnode.dev](https://tarungampa.hashnode.dev/prevent-kubernetes-downtime-during-maintenance-use-pod-disruption-budgets-pdbs?utm_source=hashnode&utm_medium=feed) [Michael](https://hashnode.com/@mmuehlbeyer) · [Feb 16](https://hashnode.com/posts/upgrade-your-database-to-26ai-using-autoupgrade/6993708adb6e95aeeb655eb5) ### [upgrade your database to 26ai using autoupgrade](https://mmuehlbeyer.hashnode.dev/upgrade-your-database-to-26ai-using-autoupgrade?utm_source=hashnode&utm_medium=feed) As we know the non multi-tenant option is desupported Doc link in Oracle 26ai and so we have to switch to multinenant architecture when upgrading to 26ai. in Oracle 26ai and so we have to switch to multinenant architecture when upgrading to 26ai. In ... 5 min read · [mmuehlbeyer.hashnode.dev](https://mmuehlbeyer.hashnode.dev/upgrade-your-database-to-26ai-using-autoupgrade?utm_source=hashnode&utm_medium=feed) [David Sanz](https://hashnode.com/@sanzmaci) · [Feb 12](https://hashnode.com/posts/26ai-blockchain-and-immutable-table/698de2c4de85235ae0c397f1) ### [\[26ai\] Blockchain & Immutable table](https://dbaenlasombra.com/26ai-blockchain-and-immutable-table?utm_source=hashnode&utm_medium=feed) El artículo también se encuentra publicado en Ingles English version. En este pequeño artículo vamos a ver las Blockchain table y Immutable table. Este tipo de tablas fueron introducidas en Oracle, con el objetivo de protegernos contra la modifica... 5 min read · [dbaenlasombra.com](https://dbaenlasombra.com/26ai-blockchain-and-immutable-table?utm_source=hashnode&utm_medium=feed) [David Sanz](https://hashnode.com/@sanzmaci) · [Feb 12](https://hashnode.com/posts/26ai-blockchain-and-immutable-table/698de1b71384d06d470ae096) ### [\[26ai\] Blockchain & Immutable table](https://dbaintheshadow.com/26ai-blockchain-and-immutable-table?utm_source=hashnode&utm_medium=feed) If you prefer to read in Spanish Spanish version. Today, we’re going to talk about Blockchain tables and Immutable tables. Both were introduced in Oracle in order to protect against unauthorized data modification by external user, you can only insert... 5 min read · [dbaintheshadow.com](https://dbaintheshadow.com/26ai-blockchain-and-immutable-table?utm_source=hashnode&utm_medium=feed) [David Sanz](https://hashnode.com/@sanzmaci) · [Jan 29](https://hashnode.com/posts/26ai-mandatory-profile/697b6f85f70179ac92c96617) ### [\[26ai\] Mandatory Profile](https://dbaenlasombra.com/26ai-mandatory-profile?utm_source=hashnode&utm_medium=feed) El artículo también se encuentra publicado en Ingles English version. En este pequeño artículo vamos a ver los Mandatory Profile. Aunque no es una novedad en 26ai, sino que fue en la 21c, vamos a proceder a configurarlo en la última release de Oracle... 2 min read · [dbaenlasombra.com](https://dbaenlasombra.com/26ai-mandatory-profile?utm_source=hashnode&utm_medium=feed) [David Sanz](https://hashnode.com/@sanzmaci) · [Jan 29](https://hashnode.com/posts/26ai-mandatory-profile/697b6f0adb8bb829aa6edc16) ### [\[26ai\] Mandatory Profile](https://dbaintheshadow.com/26ai-mandatory-profile?utm_source=hashnode&utm_medium=feed) If you prefer to read in Spanish Spanish version. Today, we’re going to talk about Mandatory Profile. Even though It’s not a feature in 26ai, it was available in 21c, we’re going to set it up in the latest release. This type of Profile can be created... 2 min read · [dbaintheshadow.com](https://dbaintheshadow.com/26ai-mandatory-profile?utm_source=hashnode&utm_medium=feed)