SchemaSpy - Table marinedb.photo_plot_layers

photo plot layers summary data compatible with non layered p

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

field_events.site_code	FK_photo_plot_layers_summary_field_event R
photo_plot_info.site_code	FK_photo_plot_layers_summary_info R

target_assemblage

varchar

photo_plot_info.target_assemblage

FK_photo_plot_layers_summary_info R

quadrat_code

varchar

photo_plot_info.quadrat_code

FK_photo_plot_layers_summary_info R

species_code

char

photo_plot_group_species.species_code

FK_photo_plot_layers_summary_group_species R

survey_date

date

field_events.survey_date

FK_photo_plot_layers_summary_field_event R

group_code

varchar

field_events.group_code	FK_photo_plot_layers_summary_field_event R
photo_plot_group_species.group_code	FK_photo_plot_layers_summary_group_species R

percent_cover

int unsigned

qualifier_code

varchar

photo_plot_qualifiers.qualifier_code

FK_photo_plot_layers_summary_qualifier R

method_code

varchar

photo_plot_methods.method_code

FK_photo_plot_layers_summary_method R

summary_create_date

date

√

null

Table contained 112,514 rows at Thu Nov 06 11:53 PST 2025

Indexes:

Column(s)	Type	Sort	Constraint Name
site_code + target_assemblage + quadrat_code + species_code + survey_date + group_code	Primary key	Asc/Asc/Asc/Asc/Asc/Asc	PRIMARY
site_code + survey_date + group_code	Performance	Asc/Asc/Asc	FK_photo_plot_layers_summary_field_event
group_code + species_code	Performance	Asc/Asc	FK_photo_plot_layers_summary_group_species
method_code	Performance	Asc	FK_photo_plot_layers_summary_method
qualifier_code	Performance	Asc	FK_photo_plot_layers_summary_qualifier