sql - Only Show Multiple Instances -


allright have query pretty pulling info got in db

select  p.projectname, s.siteid, c.paperid, m.memberfirstname, m.memberlastname, m.memberdob, m.memberid sites s, papers c, members m, projects p s.siteid=c.siteid , c.memberid=m.memberid , s.projectid=p.projectid order projectname, memberfirstname, memberlastname 

however, want pear down query display multiple instances of when member enters multiple sites

currently results below output - in particular case i'd keep john doe's results because showing in multiple sites (his memberid verifies same john doe , not different john doe) not want keep jane doe's results because appears once on 1 site.

projectname | siteid | paperid |  memberfirstname | memberlastname | memberdob  | memberid ------------------------------------------------------------------------------------------- project 1   | 123456 | 123     | jane             | doe            | 1991-01-01 | 12345 ------------------------------------------------------------------------------------------- project 1   | 789012 | 321     | john             | doe            | 1991-02-02 | 54321 -------------------------------------------------------------------------------------------   project 1   | 345678 | 456     | john             | doe            | 1991-02-02 | 54321 

or if having siteid important like:

select projectname, siteid, paperid, memberfirstname, memberlastname, memberdob, memberid (     select      p.projectname,     s.siteid,     c.paperid,     m.memberfirstname,     m.memberlastname,     m.memberdob,     m.memberid,     count(1) on ( partition m.memberid ) cnt     sites s, papers c, members m, projects p     s.siteid=c.siteid     , c.memberid=m.memberid     , s.projectid=p.projectid     ) cnt > 1 order projectname, memberfirstname, memberlastname 

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