In one command, why can we update the same tuple for twice?
And the result is not predicated!!
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terry 94487...@qq.com wrote:
In one command, why can we update the same tuple for twice?
TEST=# update t1 set a = t2.d from t2 where a=t2.c;
UPDATE 1
It says it updated it once. Why do you think otherwise?
And the result is not predicated!!
When you select multiple rows without
Kevin Grittner kevin.gritt...@wicourts.gov writes:
terry 94487...@qq.com wrote:
In one command, why can we update the same tuple for twice?
TEST=# update t1 set a = t2.d from t2 where a=t2.c;
UPDATE 1
It says it updated it once. Why do you think otherwise?
I think maybe the OP meant to
