Hi,
Basically, I need to do the following: given a big-big table, I need
to iterate through all its rows and change a column in about half the
rows. The contents of the column to change depends on other columns,
but only partially, so triggers won't work here.
What would be the fastest way to
Alexei Alexandrov a écrit :
Hi,
Basically, I need to do the following: given a big-big table, I need
to iterate through all its rows and change a column in about half the
rows. The contents of the column to change depends on other columns,
but only partially, so triggers won't work here.