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what are variable ports and list two situations when they
can be used?

Question Posted / swathi

Answer Posted / swathi

the ports which can change its value at run time and stores
temporarily are called as varible ports.

1)one important use in real time is,using varible
ports we can return multiple ports in unconnected stored
procedure.generally unconnected returns single port only.
2)if u create one port as variable port,we can use
this port in writing expressions and also assigned to any
no.of output ports

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