SchemaSpy - Table marinedb.urchin

urchin notes

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_plot_info.site_code	FK_urchin_notes_urchin_target R
field_events.site_code	FK_urchin_notes_field_event R

survey_date

date

field_events.survey_date

FK_urchin_notes_field_event R

group_code

varchar

field_events.group_code

FK_urchin_notes_field_event R

target_assemblage

varchar

urchin_plot_info.target_assemblage

FK_urchin_notes_urchin_target R

plot_code

varchar

quatraplot_codes.quatraplot_code

FK_urchin_notes_quatraplot R

urchin_note

text

65535

√

null

create_date

date

modify_date

timestamp

current_timestamp()

Table contained 206 rows at Thu Nov 06 11:53 PST 2025

Indexes:

Column(s)	Type	Sort	Constraint Name
site_code + survey_date + group_code + target_assemblage + plot_code	Primary key	Asc/Asc/Asc/Asc/Asc	PRIMARY
plot_code	Performance	Asc	FK_urchin_notes_quatraplot
site_code + target_assemblage + plot_code	Performance	Asc/Asc/Asc	FK_urchin_notes_urchin_info