Manual:Site identifiers table

The site_identifiers table contains ... DOCUMENT ME!.

si_site
...

si_type
...

si_key
...

Versions
mysql> describe site_stats; +-+-+--+-+-+---+ +-+-+--+-+-+---+ +-+-+--+-+-+---+ 3 rows in set (0.00 sec)
 * Field  | Type                | Null | Key | Default | Extra |
 * si_site | int(10) unsigned   | NO   | MUL | NULL    |       |
 * si_type | bigint(20) unsigned | NO  | PRI | NULL    |       |
 * si_key | bigint(20) unsigned | NO   | PRI | NULL    |       |