CHAPTER
12
Sharing Data Across PDBs
Is a multitenant database one database, or is it many? This is a question that runs like a silver thread throughout this entire book, and, as you have seen so far, the answer is, “it depends.” For some operations, we need to think of multitenant as a single database; for others, we have to think at the pluggable database (PDB) level and treat each PDB independently.
In this chapter, we investigate how to access the data stored in one PDB from data stored in another PDB, and we will show that, again, we can address the problem from both of the angles described. Furthermore, we will discuss how Oracle introduces ...
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