Example of a Web application.
    HTML 
    <HTML>
<HEAD>
<META HTTP-EQUIV=Content-Language CONTENT=ja>
<META HTTP-EQUIV=Content-Type CONTENT='text/html; charset=UTF-8'>
</HEAD>
<BODY BGCOLOR=#DDDDDD>

<FORM METHOD="POST" ACTION="/cgi-bin/webapi.cgi">

Database 
         <input type="text" name="pgdatabase" length=32>
Username 
         <input type="text" name="pguser2" length=32>
Password 
         <input type="text" name="pgpassword2" length=32>

<INPUT TYPE=SUBMIT VALUE="submit">
</FORM>

</BODY>
</HTML>

    Web application (CGI) -- "webapi.cgi" 
    #!/usr/local/bin/pgbash
##########################################################################
#  "webapi.cgi"
#
#   $pgdatabase   # database name
#   $pguser2      # database user
#   $pgpassword2  # database password
#  
##########################################################################
exec 2>&1
echo "Content-type:  text/html"
echo ""
set EXEC_SQL_OPTION CGI;

#--------- start HTML ----------
echo "<HTML>"
echo "<HEAD>"
echo "<META HTTP-EQUIV=Content-Language CONTENT=ja>"
echo "<META HTTP-EQUIV=Content-Type CONTENT='text/html; charset=UTF-8'>"
echo "</HEAD>"
echo "<BODY BGCOLOR=#DDDDDD>"

#-------- connect to DATABASE ---------
connect to $pgdatabase user $pguser2  $pgpassword2;

if(( SQLCODE != 0 )); then
   exit
fi

#---------- client_encoding -----------
set client_encoding='UTF8';

#------------ execute SQL -------------
select * from member;

if (( SQLCODE == 0 && SQLNTUPLE == 0 )); then
echo "<H2>Data not found.</H2>"
fi

#------- disconnect DATABASE ----------
disconnect all;

echo "</BODY>"
echo "</HTML>"

    Output
    useridnameemailtelkind ....
    1220XXXXXXXmmmmmmmm@nifty.ne.jp0726-76-9999*  
    1249XXXXXXmmmmmmm@email.ne.jp090-7103-9999*  
    1217XXXXmmmmmmmm@nifty.ne.jp042-571-9999NET  
    1221XXXXmmmmm@mbg.sphere.ne.jp0726-27-9999*  
    1250XXXXmmmmmmm@oct.zaq.ne.jp06-6622-9999*  
    1271XXXXXmmmmmmmm@nifty.ne.jp06-6872-9999*  
    1222XXXXmmmmmmmm@nifty.ne.jp0798-72-9999*  
    1212XXXXmmmmmm@sannet.ne.jp0725-20-9999*  
    1203XXXXmmmm@computer.com0742-40-9999*  
    1223XXXXmmmmmmmm@nifty.ne.jp0742-45-9999*