๐ Reference
9.19. Array Functions and Operators
9.19. Array Functions and Operators Table 9.51 shows the specialized operators available for array types. In addition to those, the usual comparison …
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Postgres 11 | db<>fiddle
ERROR: new row for relation "address" violates check constraint "check_cities_are_not_duplicate" DETAIL: Failing row contains ({C,C}).
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