postgresql - Database indexable or serial overlapping possible? -

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postgresql - Database indexable or serial overlapping possible? -

im creating database in postgresql id of primary key serial, , im doing same within sql server, id identity(automatically adds integer id). question now, possible database create 2 id's same value, if added same time? or database sort out , give them different id's anyways? hope guys understand im trying ask, help or input highly appreciated, thanks!

that not possible.

if possible serial feature totally unusable.

note, values can skipped or out of chronological (wall-clock) order.

database postgresql

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