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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.

1 vote
0 answers
395 views

Difference between LC_COLLATE='C' and LC_COLLATE='C.UTF-8' in PostgreSQL [duplicate]

I need guidance on the exact distinction, if any, between LC_COLLATE='C' and LC_COLLATE='C.UTF-8' in PostgreSQL. It seems to me that they behave exactly the same and that the codeset (with bearing on …
rookie099's user avatar
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20 votes
3 answers
31k views

PostgreSQL: difference between collations 'C' and 'C.UTF-8'

In PostgreSQL, what is the difference between collations C and C.UTF-8? Both show up in rows of pg_collation. Is it perhaps the case that C.UTF-8 is the same as C with encoding UTF-8 regardless or w …
rookie099's user avatar
  • 368