These tables are used to store values and revisions to values for the fields that are available with a stock installation of Drupal 7. More tables of this format will be added as fields are added to entities such as nodes, users and comments.
These eleven tables do not belong in a group of tables.
There are four primary node-related tables. There are many relationships to the node table and another to the node_type table that reach into other table categories.
There are four taxonomy tables:
There are four tables for search:
There are four tables related to Drupal blocks:
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