SchemaSpy - Table marinedb.urchin_plot

urchin plot information

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

urchin_count_sizes.site_code	FK_urchin_count_sizes_plot_info R
urchin_notes.site_code	FK_urchin_notes_urchin_target R

marine_sites.site_code

FK_urchin_plot_info_site_code R

target_assemblage

varchar

urchin_count_sizes.target_assemblage	FK_urchin_count_sizes_plot_info R
urchin_notes.target_assemblage	FK_urchin_notes_urchin_target R

target_assemblages.target_assemblage

FK_urchin_plot_info_assemblage R

plot_code

varchar

urchin_count_sizes.plot_code

FK_urchin_count_sizes_plot_info R

count_size_plot_codes.plot_code

FK_urchin_plot_info_plot_code R

established_date

date

end_date

date

√

null

active_status

enum

comments

varchar

200

√

null

create_date

date

modify_date

timestamp

current_timestamp()

Table contained 283 rows at Thu Nov 06 11:53 PST 2025

Indexes:

Column(s)	Type	Sort	Constraint Name
site_code + target_assemblage + plot_code	Primary key	Asc/Asc/Asc	PRIMARY
target_assemblage	Performance	Asc	FK_urchin_plot_info_assemblage
plot_code	Performance	Asc	FK_urchin_plot_info_plot_code
site_code	Performance	Asc	FK_urchin_plot_info_site_code