Tag: snapshot
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19c – The mystery of Snapshot Carousel (Ch.2)

In the previous chapter we explained the reasons why the snapshot carousel feature still has significant limitations in Oracle 19c Release. While I particularly think the feature concept is certainly interesting, these limitations will probably prevent us from implementing such architecture. However, if we could know the SQL commands that snapshot carousel executes – since…
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19c PDB “Snapshot copy” series- Chapter 3 – dNFS

In previous chapter 2nd we tested how easy is to implement PDB snapshot copies with a very simple setup. We leveraged this fantastic storage-based technology which is ACFS and it’s copy-on-write clones. In the example we used in that previous post, we had both the refreshable PDBs and the snapshot copies in the same CDB,…
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19c PDB “Snapshot copy” series- Chapter 1

We can probably all agree that container databases (PDBs – “multitenant”) architecture has clearly improved DBAs quality of life. Most of the maintenance operations around the database lifecycle have become so simplified that activities such as cloning a database can now be done with a single, very simple, SQL command. And this without giving up…
