Difference and features - drupal 6 Vs drupal 7

1. Drupal 6 Vs Drupal 7
Difference and Features

2. Overview
Drupal 6 got released on feb - 2008. After 3 drupal 7
has been released with some amazing features. lets see
about the difference and featured added over drupal 7
than drupal 6.

3. ● Overlay Administrative Theme : Drupal 7 has the
feature that admin UI will display on the overlay. Its
very useful for the non- technical users.
● Entities : The major difference in drupal 7 they
introduced “Entity” concept. like all in all it may
generally refers to the node,user,taxonomy etc.

4. ● The default theme for Drupal 7 is Bartik, Drupal 6 is
Garland.
● While Theme developing in .info file “engine”
required in drupal 6 whereas in 7 its optional.
● API Supports they are lot of improved hooks method
in drupal 7.
● Improved support of WYSWYG editors.

5. ● Improved Support for Multi Site Installations
● Search functionality has been improved in drupal 7
● File and image handling has been improved
● Added the default core javascript libraries to the
jquery Version.
● Improved node access control system

6. ● Added RDF support
● Better support for search engine optimization and
web linking
● Some of the essential modules has been included in
core itself like cck.
● system requirement reduced.

7. ● Performance : compare to drupal 6 performance has
been fixed by the core itself. The page and response
for query in core has been likely increased.

8. ● Security : Drupal 7 has the strong security related
items compared over drupal 6. Drupal login system
and password saving on the DB is more secured. The
DB query we have in drupal 7 gives you option to
input only the safe data with filter options. Cron
related functionalities has been added more than
drupal 6. update manager has been introduced in
drupal 7 to manage update things through web UI
interface.

9. ● Database structure and db queries - Getting the
database result in terms of object and some other
query syntax has changed in drupal 7. Database
limitation has took off in drupal 7. Query builder
added. we can perform multiple db queries at a time
in drupal 7. Added support for SQLlite engine.
default is innoDB

10. Thank U
Dhinakaran M