Adam Witney <awitney@xxxxxxxxxx> writes: > On 24/11/05 4:19 pm, "Tom Lane" <tgl@xxxxxxxxxxxxx> wrote: >> The question is, can you tell whether any data is actually missing? > Well each of these datasets are about 20,000 rows each... So I can tell > which one is in (640792,12) and in (640799,1), they have the same dataset id > value. Im assuming the missing ones in the middle will therefore be from the > same dataset as well then... So I know which files did not get uploaded > properly and I can re-upload them.... But can you tell whether there *were* any in the middle? It might be worth counting the rows currently present for that dataset, then reloading and counting again. regards, tom lane