Oracle is the world's most popular relational database. It is a powerful engine of industrialization promoted by large companies. Let’s take a look at its related functions first:
(1) integer ora_logon (string user, string password)
Start a connection to an Oracle database server.
(2)integer ora_open(integer connection)
Open the cursor of the given connection.
(3)integer ora_do(integer connection, string query)
Execute the query on the given connection. PHP generates an indicator, parses the query, and executes it.
(4)integer ora_parse(integer cursor, string query)
Parse a query and prepare it for execution.
(5) boolean ora_exec(integer cursor)
Execute a query previously parsed by the ora_parse function.
(6) boolean ora_fetch(integer cursor)
This function will cause the rows in an executed query to be fetched into the indicator. This allows you to call the ora_getcolumn function.
(7) string ora_getcolumn(integer cursor, integer column)
Return the current value. Column zero-based numeric index.
(8) boolean ora_logoff(integer connection)
Disconnect the link to the database server.
The following is a sample program to insert data into the ORACLE database:
Insert data into the ORACLE database</ title></head><br><br><body><br><br><form action="<?echo $PHP_SELF;?>" method="post"><br> <br><table border="1" cellspacing="0" cellpadding="0"><br><br><tr><br><br><th>ID</th><br><br><th>name</th><br><br><th>Description</th><br><br></tr><br><br><tr><br><br><td><input type="text" name="name" maxlength="50" size="10"></td><br><br><td>< ;input type="text" name="email" maxlength="255" size="30"></td><br><br><td><input type="text" name=" Description" maxlength="255" size="50"></td><br><br></tr><br><br><tr align="center"><br><br><td colspan="3"><input type="submit" value="Submit"> <input type="reset" value="Rewrite"></td><br><br></tr><br><br></table><br><br></form><br><br><?<br><br>//Set first Two environment variables ORACLE_HOME, ORACLE_SID<br><br>putenv("ORACLE_HOME=/oracle/app/oracle/product/8.0.4");<br><br>putenv("ORACLE_SID=ora8");<br><br>//Set the web page to display Chinese<br><br>putenv("NLS_LANG=Simplified_Chinese.zhs16cgb231280");<br><br>if($connection=ora_logon("scott","tiger")) { <br><br>//Library table test has three items: ID, name, and Description <br><br>$sql = 'insert into test(ID, name, Description) values '; <br><br>$sql .= '('' . $ID . '','' . $name . '',''. $Description . '')';<br><br>if($cursor=ora_do($connect,$ sql)) {<br><br>print("insert finished!");<br><br>}<br><br>$query = 'select * from test';<br><br>if( $cursor=ora_do($connect,$query)) {<br><br>ora_fetch($cursor);<br><br>$content0=ora_getcolumn($cursor,0);<br><br>$content1 =ora_getcolumn($cursor,1);<br><br>$content2=ora_getcolumn($cursor,2);<br><br>print("$content0");<br><br>print("$ content1");<br><br>print("$content2");<br><br>ora_close($cursor);<br><br>}<br><br>ora_logoff($connection);<br><br>}<br><br>?><br><br></body><br><br></html><br><br>
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