Francisco Reyes wrote:
I say "don't believe" because I don't recall if byteA was stored in the table itself or was stored outside using TOAST.. so I am not sure about how/when space is released for it.
like all other data, that depends on the size of the data. if the entire row (tuple) is under 4K (I think, don't quote me), it will be stored in the table, otherwise it will be toasted and stored in the PG_TOAST tables.... which also need vacuuming....
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