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Merged
s222530306 merged 1 commit into from
Apr 20, 2026
Merged

Updated Create Schema SQL to reflect latest changes to User and DAta … #66

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294 changes: 116 additions & 178 deletions backend/database/01_schema.sql
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Original file line number Diff line number Diff line change
@@ -1,226 +1,164 @@
/*PROJECT PHOENIX BACKEND DATABASE CREATION SCRIPT
Implementing backend structured data schema for Project Phoenix
Latest update 16 April 2026 Toby
*/

CREATE EXTENSION IF NOT EXISTS pgcrypto;


/*GEOLOCATION TABLE */
CREATE TABLE geo_location (
geo_location_id UUID
PRIMARY KEY
DEFAULT gen_random_uuid()
,country VARCHAR(100)
,state_region VARCHAR(100)
,local_government_area VARCHAR(100)
,suburb VARCHAR(100)
,latitude DECIMAL(9,6)
,longitude DECIMAL(9,6)
,geo_precision VARCHAR(50)
geo_location_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
country VARCHAR(100),
state_region VARCHAR(100),
local_government_area VARCHAR(100),
suburb VARCHAR(100),
latitude DECIMAL(9,6),
longitude DECIMAL(9,6),
geo_precision VARCHAR
);


/*DATA_SOURCE TABLE
Added because hazard_event and cyber_threat reference source_id */
CREATE TABLE data_source (
source_id UUID
PRIMARY KEY
DEFAULT gen_random_uuid()
,source_name VARCHAR(255)
,source_type VARCHAR(100)
,access_method VARCHAR(100)
,source_url TEXT
);


/*LINKED_EVENT_TYPE TABLE
Dimensional table */
CREATE TABLE linked_event_type (
linked_event_type_id UUID
PRIMARY KEY
DEFAULT gen_random_uuid()
,linked_event_type_description VARCHAR(100)
);


/*EVENT_STATUS TABLE
Dimensional table */
CREATE TABLE event_status (
event_status_id UUID
PRIMARY KEY
DEFAULT gen_random_uuid()
,event_status_description VARCHAR(100)
);


/*SEASON
Dimensional reference table */
CREATE TABLE season (
season_id INT
PRIMARY KEY
,season_description VARCHAR(50)
);


/*REFERENCE_DAY TABLE
Reference table */
CREATE TABLE reference_day (
ref_date DATE
,locale_id INT
,dow VARCHAR(20)
,is_weekend BOOLEAN
,season INT
,is_holiday BOOLEAN
,PRIMARY KEY (ref_date, locale_id)
,FOREIGN KEY (season) REFERENCES season(season_id)
);


/*REFERENCE_TIME
Reference table */
CREATE TABLE reference_time (
ref_time TIME
PRIMARY KEY
,is_nighttime BOOLEAN
,is_business_hours BOOLEAN
source_id UUID PRIMARY KEY DEFAULT gen_random_uuid()
,source_name VARCHAR
,source_type VARCHAR
,access_method VARCHAR
,source_url TEXT
,status VARCHAR
,fail_reason VARCHAR
);


/*HAZARD_EVENT TABLE
Entity table */
CREATE TABLE hazard_event (
hazard_event_id UUID
PRIMARY KEY
DEFAULT gen_random_uuid()
,hazard_type TEXT
NOT NULL
,severity_level TEXT
NOT NULL
hazard_event_id UUID PRIMARY KEY DEFAULT gen_random_uuid()
,hazard_type TEXT NOT NULL
,severity_level TEXT NOT NULL
CHECK (severity_level IN ('low', 'medium', 'high', 'critical'))
,event_status TEXT
,start_time TIMESTAMPTZ
,end_time TIMESTAMPTZ
,geo_location_id UUID
,source_id UUID
,source_ref_event TEXT
,description TEXT
,updated_at TIMESTAMPTZ
DEFAULT CURRENT_TIMESTAMP
,created_at TIMESTAMPTZ
DEFAULT CURRENT_TIMESTAMP
,FOREIGN KEY (geo_location_id) REFERENCES geo_location(geo_location_id)
,event_status TEXT
,start_time TIMESTAMPTZ
,end_time TIMESTAMPTZ
,source_id UUID
,source_ref_event TEXT
,description TEXT
,updated_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
,created_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
,FOREIGN KEY (source_id) REFERENCES data_source(source_id)
);


/*CYBER_THREAT TABLE
Entity table */
CREATE TABLE cyber_threat (
threat_id UUID
PRIMARY KEY
DEFAULT gen_random_uuid()
,threat_type VARCHAR(100)
NOT NULL
,source_id UUID
,title VARCHAR(255)
,description TEXT
,risk_level VARCHAR(20)
threat_id UUID PRIMARY KEY DEFAULT gen_random_uuid()
,threat_type VARCHAR NOT NULL
,source_id UUID
,title VARCHAR
,description TEXT
,risk_level VARCHAR(20)
CHECK (risk_level IN ('Low', 'Medium', 'High', 'Critical'))
,status VARCHAR(20)
,status VARCHAR(20)
CHECK (status IN ('Active', 'Monitoring', 'Resolved', 'Archived'))
,category VARCHAR(50)
,confidence_score DECIMAL(5,2)
,detected_at TIMESTAMPTZ
,updated_at TIMESTAMPTZ
DEFAULT CURRENT_TIMESTAMP
,created_at TIMESTAMPTZ
DEFAULT CURRENT_TIMESTAMP
,category VARCHAR
,confidence_score DECIMAL(5,2)
,detected_at TIMESTAMPTZ
,updated_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
,created_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
,FOREIGN KEY (source_id) REFERENCES data_source(source_id)
);


/*RISK_ASSESSMENT OR INTEGRATION TABLE
Fact table */
CREATE TABLE risk_assessment (
integration_event_id UUID
PRIMARY KEY
DEFAULT gen_random_uuid()
,related_hazard_event_id UUID
,related_threat_id UUID
,correlation_score REAL
,linkage_reason TEXT
,integration_confidence REAL
,linked_event_type UUID
,event_status UUID
,event_time TIMESTAMPTZ
,detected_at TIMESTAMPTZ
,reported_at TIMESTAMPTZ
,created_at TIMESTAMPTZ
DEFAULT CURRENT_TIMESTAMP
,updated_at TIMESTAMPTZ
DEFAULT CURRENT_TIMESTAMP
,FOREIGN KEY (related_hazard_event_id) REFERENCES hazard_event(hazard_event_id)
,FOREIGN KEY (related_threat_id) REFERENCES cyber_threat(threat_id)
,FOREIGN KEY (linked_event_type) REFERENCES linked_event_type(linked_event_type_id)
,FOREIGN KEY (event_status) REFERENCES event_status(event_status_id)
);


/*HAZARD_LOCATION TABLE
Joining table */
CREATE TABLE hazard_location (
hazard_event_id UUID
,geo_location_id UUID
hazard_event_id UUID
,geo_location_id UUID
,PRIMARY KEY (hazard_event_id, geo_location_id)
,FOREIGN KEY (hazard_event_id) REFERENCES hazard_event(hazard_event_id)
,FOREIGN KEY (geo_location_id) REFERENCES geo_location(geo_location_id)
);


/*THREAT_LOCATION TABLE

/*THREAT_LOCATION TABLE
Joining table */
CREATE TABLE threat_location (
threat_id UUID
,geo_location_id UUID
threat_id UUID
,geo_location_id UUID
,PRIMARY KEY (threat_id, geo_location_id)
,FOREIGN KEY (threat_id) REFERENCES cyber_threat(threat_id)
,FOREIGN KEY (geo_location_id) REFERENCES geo_location(geo_location_id)
);

/*LINKED_EVENT_TYPE TABLE
Dimensional table */
CREATE TABLE linked_event_type (
linked_event_type_id SERIAL UNIQUE
,linked_event_type_description VARCHAR
);

/*USER TABLE
New addition to schema to support front end */
CREATE TABLE user_account (
user_id UUID
PRIMARY KEY
DEFAULT gen_random_uuid()
,password_hashed VARCHAR(255)
,role VARCHAR(50)
);


/*INDEXES
Based on schema documentation */
CREATE INDEX idx_hazard_type
ON hazard_event(hazard_type);

CREATE INDEX idx_hazard_severity_level
ON hazard_event(severity_level);

CREATE INDEX idx_hazard_start_time
ON hazard_event(start_time);

CREATE INDEX idx_hazard_geo_time
ON hazard_event(geo_location_id, start_time);

CREATE INDEX idx_threat_type
ON cyber_threat(threat_type);

CREATE INDEX idx_threat_risk_level
ON cyber_threat(risk_level);
/*EVENT_STATUS TABLE
Dimensional table */
CREATE TABLE event_status(
event_status_id SERIAL UNIQUE
,event_status_dscription VARCHAR
);

CREATE INDEX idx_threat_detected_at
ON cyber_threat(detected_at);
/*RISK_ASSESSMENT OR INTEGRATION TABLE
Fact table*/
CREATE TABLE tisk_assessment (
integration_event_id UUID PRIMARY KEY DEFAULT gen_random_uuid()
,related_hazard_event_id UUID
,related_threat_id UUID
,correlation_score DECIMAL(5,2)
,linkage_reason TEXT
,integration_confidence REAL
,linked_event_type INTEGER
,event_status INTEGER
--or should this be a simple text field with a CHECK CONSTRAINT as above?
,event_time TIMESTAMPTZ
,detected_at TIMESTAMPTZ
,reported_at TIMESTAMPTZ
,created_at TIMESTAMPTZ
,updated_at TIMESTAMPTZ
,FOREIGN KEY (related_hazard_EVENT_id) REFERENCES hazard_event(hazard_event_id)
,FOREIGN KEY (related_threat_id) REFERENCES cyber_threat(threat_id)
,FOREIGN KEY (linked_event_type) REFERENCES linked_event_type(linked_event_type_id)
,FOREIGN KEY (event_status) REFERENCES event_status(event_status_id)
);

CREATE INDEX idx_threat_status_detected_at
ON cyber_threat(status, detected_at);
/*SEASON
Dimensional reference table */
CREATE TABLE season(
season_id SERIAL UNIQUE
,season_description VARCHAR(20)
);

/*REFERENCE_DAY TABLE
Reference table */
CREATE TABLE reference_day(
ref_date DATE
,locale_id INTEGER
,dow VARCHAR(20)
,is_weekend BOOLEAN
,season INTEGER
,is_holiday BOOLEAN
,PRIMARY KEY (ref_date,locale_id)
,FOREIGN KEY (season) REFERENCES season(season_id)
);

/*REFERENCE_TIME
Reference table */
CREATE TABLE reference_time(
ref_time TIME PRIMARY KEY
,is_nighttime BOOLEAN
,is_business_hours BOOLEAN
);

/*USER TABLE
New addition to schema to support front end
Just build the shell, amend and add fields later */
CREATE TABLE "user"(
userid UUID PRIMARY KEY DEFAULT gen_random_uuid()
,password_hashed BYTEA
,role VARCHAR
--add check constraint once values are established
);
Binary file added backend/database/BE003_Pheoneix_Database_Schema_Documentation_and_ER_Diagram 260416.docx
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