Connecting to Oracle using PHP - retrieving data

I am trying to connect to oracle through php code.
I tested the connection to the database and that seems to be OK but having problem connecting to the table. I am MS SQL Server/Mysql user and never used schema's in there. In Oracle table that I am trying to connect lives in a Schema. How do I pass the correct Schema info in PHP. That's the only thing I assume is missing in this puzzle.

Structure of my Oracle database:

Server>Database>Schema>Table
<?php
	
	$conn = oci_connect ( 'username', 'password', 'ServerName/DatabaseName') or exit (mysql_error());
	//mysql_select_db('test');
	
	// only select the columns you need, thus reducing the work the DBMS has to do.
	$query = "SELECT * FROM TableName";
	// execute the query
	$results = oci_parse ($conn, 'SELECT * FROM TableName'); //or exit(oci_error());
	
	echo "test 1";
	oci_execute($results);
	
	echo "end test 1";
	
	// check for the number of rows returned before doing any further actions.
	if ($row = oci_fetch_array($results) == 0){
	exit("Nothing to Show Here");
	}

?>


Errors/Warnings:
1 - "Table or view doesn't exist" at the line: 
$results = oci_parse ($conn, 'SELECT * FROM TableName');

2 - "ORA-24374: define not done before fetch or execute and fetch" at line: 
if ($row = oci_fetch_array($results) == 0){

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awarraicAsked:
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tlovieConnect With a Mentor Commented:
wouldn't you do it in the select statement like this:

'SELECT * FROM schema.TableName'
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