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A collation is a set of rules that determine how data is sorted and compared for comparing characters in a character set.

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Collation version mismatch

I replicated a database, it's working fine but when I enter the replication database it displays the following message: The database was created using collation version 2.31, but the operating system … Rebuild all objects in this database that use the default collation and run ALTER DATABASE template1 REFRESH COLLATION VERSION, or build PostgreSQL with the right library version. …
Miqueias Kevison's user avatar