===== Database Table Description of "camera_metering" =====

=== Name ===

camera_metering

=== Description ===

Contains a listing of the valid camera metering modes.

Note that this table will likely go away; the strings aren't internationalizable and specific to Nikons.  AT the very least, additional types need to be added to correspond to the 'EXIF' types.

=== Purpose ===

Referential integrity.

=== Schema ===

<code sql>
create table camera_metering (
  identifier            integer not null primary key,
  value                 varchar(40)
);
</code>

=== References tables ===

None.

=== Is referenced by tables ===

  * [[photo_tech sql table|photo_tech]](camera_metering) references identifier

=== Related sequences ===

  * [[camera_metering_id_sequence sql sequence|camera_metering_id_sequence]]

=== Related indexes ===

None.

=== Related functions ===

None.

=== Related views ===

None.

=== History ===

== Used first ==

Version 2.5

== Used last ==

Still in use

== Schema change history ==

= Version 2.5 =

<code sql>
create table camera_metering (
  identifier            integer not null primary key,
  value                 varchar(40)
);
</code>

== Data change history ==

= Version 2.5 =

<code sql>
insert into camera_metering values (nextval('camera_metering_id_sequence'), 'Spot');
insert into camera_metering values (nextval('camera_metering_id_sequence'), 'Center');
insert into camera_metering values (nextval('camera_metering_id_sequence'), '3D Matrix');
insert into camera_metering values (nextval('camera_metering_id_sequence'), '3D Color Matrix');
insert into camera_metering values (nextval('camera_metering_id_sequence'), 'Zone');
</code>