16 lines
390 B
SQL
16 lines
390 B
SQL
create table species_attribute_mod
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(
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species_id INTEGER not null
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references species
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on delete cascade,
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attribute_id INTEGER not null
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references attribute
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on delete restrict,
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delta INTEGER not null,
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primary key (species_id, attribute_id)
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);
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create index idx_species_attrmod_attr
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on species_attribute_mod (attribute_id);
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