1 files changed, 2 insertions, 9 deletions
diff --git a/lib/arel/engines/sql/formatters.rb b/lib/arel/engines/sql/formatters.rb
index 892f0c29ee..cdbda5ea33 100644
--- a/lib/arel/engines/sql/formatters.rb
+++ b/lib/arel/engines/sql/formatters.rb
@@ -93,7 +93,7 @@ module Arel
 
     class TableReference < Formatter
       def select(select_sql, table)
-        "(#{select_sql})#{as_keyword}#{quote_table_name(name_for(table))}"
+        "(#{select_sql}) #{quote_table_name(name_for(table))}"
       end
 
       def table(table)
@@ -101,16 +101,9 @@ module Arel
           table.name
         else
           quote_table_name(table.name) +
-            (table.name != name_for(table) ? as_keyword + quote_table_name(name_for(table)) : '')
+            (table.name != name_for(table) ? " #{quote_table_name(name_for(table))}" : '')
         end
       end
-
-      private
-
-      def as_keyword
-        # AS keyword should not be used before table alias in Oracle
-        as_keyword = engine.adapter_name == "Oracle" ? " " : " AS "
-      end
     end
 
     class Attribute < WhereCondition