SchemaSpy - Table marinedb.photo_plot_layers_onp

NCCN/ONP photo plot layers data table

Generated by
SchemaSpy

Legend:

Primary key columns

Columns with indexes

Implied relationships

Excluded column relationships

< n > number of related tables

Column

Type

Size

Nulls

Auto

Default

Children

Parents

Comments

site_code

char

6

field_events.site_code	FK_photo_plot_layers_onp_field_event R
photo_plot_info.site_code	FK_photo_plot_layers_onp_info R

target_assemblage

varchar

20

photo_plot_info.target_assemblage

FK_photo_plot_layers_onp_info R

quadrat_code

varchar

6

photo_plot_info.quadrat_code

FK_photo_plot_layers_onp_info R

taxon_1

varchar

6

photo_plot_group_species.species_code

FK_photo_plot_layers_species1_species R

taxon_2

varchar

6

photo_plot_group_species.species_code

FK_photo_plot_layers_species2_species R

survey_date

date

10

field_events.survey_date

FK_photo_plot_layers_onp_field_event R

group_code

varchar

8

field_events.group_code	FK_photo_plot_layers_onp_field_event R
photo_plot_group_species.group_code	FK_photo_plot_layers_species2_species R

tally

int

10

total_points

int

10

qualifier_code

varchar

6

photo_plot_qualifiers.qualifier_code

FK_photo_plot_layers_onp_qualifier R

method_code

varchar

6

photo_plot_methods.method_code

FK_photo_plot_layers_onp_method R

create_date

date

10

modify_date

timestamp

19

current_timestamp()

Table contained 11,299 rows at Thu Nov 06 11:53 PST 2025

Indexes:

Column(s)	Type	Sort	Constraint Name
site_code + target_assemblage + quadrat_code + taxon_1 + taxon_2 + survey_date + group_code	Primary key	Asc/Asc/Asc/Asc/Asc/Asc/Asc	PRIMARY
site_code + survey_date + group_code	Performance	Asc/Asc/Asc	FK_photo_plot_layers_onp_field_event
method_code	Performance	Asc	FK_photo_plot_layers_onp_method
qualifier_code	Performance	Asc	FK_photo_plot_layers_onp_qualifier
group_code + taxon_1	Performance	Asc/Asc	FK_photo_plot_layers_species1_species
group_code + taxon_2	Performance	Asc/Asc	FK_photo_plot_layers_species2_species