Index: trunk/core/install.php
===================================================================
diff -u -N -r8598 -r8901
--- trunk/core/install.php	(.../install.php)	(revision 8598)
+++ trunk/core/install.php	(.../install.php)	(revision 8901)
@@ -759,7 +759,7 @@
 
 			// add prefix to all tables
 			if (strlen($table_prefix) > 0) {
-				$replacements = Array ('CREATE TABLE ', 'INSERT INTO ', 'UPDATE ', 'ALTER TABLE ');
+				$replacements = Array ('CREATE TABLE ', 'INSERT INTO ', 'UPDATE ', 'ALTER TABLE ', 'DELETE FROM ');
 				foreach ($replacements as $replacement) {
 					$sqls = str_replace($replacement, $replacement.$table_prefix, $sqls);
 				}
@@ -781,7 +781,7 @@
 					continue; // usually last line
 				}
 
-				if (substr($sql, 0, 13) == 'CREATE TABLE ') {
+				if (substr($sql, 0, 13) == 'CREATE TABLE ' && $this->systemConfig['Database']['DBCollation']) {
 					// it is CREATE TABLE statement -> add collation
 					$sql .= ' COLLATE \''.$this->systemConfig['Database']['DBCollation'].'\'';
 				}