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Database Management Systems/Managing Database




                    Notes          <TABLE BORDER = “1”>
                                   <TR>
                                   <TH>Enter SQL Query</TH>
                                   <TD>

                                   <INPUT TYPE = “TEXT”
                                   SIZE = “40”
                                   NAME = “sql”>
                                   </TD>

                                    <TD>
                                   <INPUT TYPE = “SUBMIT”
                                   NAME = “requestType”
                                   VALUE = “Submit SQL”>

                                    </TD>
                                   </TR>
                                   </TABLE>
                                   </FORM>

                                   </BGODY>
                                   </HTML>!;
                                   exit; }
                                   # If there was a value for $sql, we know

                                   # that the user has already seen the
                                   # HTML form and has submitted some
                                   # SQL for us to process. In that case,
                                   # we will open a connection to the

                                   # database, execute the SQL, gather
                                   # the result set and display it
                                   # to the user. In the case of a
                                   # simple SELECT, we will display

                                   # the results in an HTML table.
                                   # If, on the other hand, the SQL
                                   # was a DELETE, MODIFY or INSERT,
                                   # we will let them know that the

                                   # operation was successful.
                                   #
                                   # Notice that you need to do a lot




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