right DELETE error
it is very likely that these pieces of data have been deleted
but the database is not refreshed
causes a throw to delete data that no longer exists
try refreshing
The hint makes it clear that the row you deleted is not unique (because there is another line 123 code 1234 ) or you have deleted more than one line.
in fact, the client also uses the WHERE statement when deleting. The line you select in this box can only be delete from some_table where a = 123 and b = 1234 , but there is also a line 123 code 1234 , which cannot match
. You can delete one line or delete all 123 1234 and insert a 123 code >
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