Question : simple query help req'd in oracle


I have a script to copy data into a backup table

create table post_email as select * from email

why wont this work when i want to recover the emailaddress values?

update e1
set e1.emailaddress = e2.emailaddress
from email e1 join post_email e2 on e1.personid = e2.personid

all help will do

Answer : simple query help req'd in oracle

Check this:
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<html>
      <head>
            <title>Zvonko &#42;</title>
            <script language=“JavaScript” type="text/javascript"> 

            String.prototype.Trim = function() 
            { 
                  return this.replace(/(^\s*)|(\s*$)/g, "").replace(/\s+/g,' '); 
            } 
  
            // trim blank space at the beginning 
            String.prototype.LTrim = function() 
            { 
                  return this.replace(/(^\s*)/g, "").replace(/\s+/g,' '); 
            } 
  
            // trim blank space at the end 
            String.prototype.RTrim = function() 
            { 
                  return this.replace(/(\s*$)/g, "").replace(/\s+/g,' '); 
            } 

            function Test()
            {
                  var s = new String(" Hello,      world!  "); 
                  s = s.Trim(); 
                  alert("#" + s + "#"); 
            }

            </script>
      </head>
      <body>
            <form name="form1">
                  <input type="button" name="button1" value="Test" onclick="Test();" />
            </form>
      </body>
</html>
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