oracle - Double 'at' symbol meaning in PL/SQL -


i know @ symbol followed path means executing script in pl/sql. @@ followed path mean?

@@{url | file_name[.ext] } [arg...]

runs script. command identical @ ("at" sign) command. when running nested scripts looks nested scripts in same path or url calling script. url form supported in isql*plus. @@ command functions @ , start.

ref :http://docs.oracle.com/cd/b19306_01/server.102/b14357/ch12003.htm


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