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CREATE TABLE TRN_SAAA
(
...
ALTER TABLE TRN_STL ADD CONSTRAINT XPK PRIMARY KEY (TRN_STLN);
ALTER TABLE TRN_STLM ADD CONSTRAINT XFK1 FOREIGN KEY  (TRN_S) REFERENC
+ES  TRN_SE;

SQL> @C:\Users\aaa\Desktop\DBScripts\M_sample.sql