diff --git a/sql/database definitions.sql b/sql/database definitions.sql
index 6599832..3941c76 100644
--- a/sql/database definitions.sql	
+++ b/sql/database definitions.sql	
@@ -2,7 +2,7 @@ CREATE table IF NOT EXISTS accounts(
 id SERIAL PRIMARY KEY,
 accountnum VARCHAR UNIQUE NOT NULL,
 accountname VARCHAR UNIQUE NOT NULL,
-orgid int -- this needs to be a foregn key on organizations
+REFERENCES organizations(id) ON DELETE SET NULL
 );
 
 CREATE TABLE IF NOT EXISTS organizations(
@@ -15,28 +15,29 @@ id SERIAL PRIMARY KEY,
 datetime DATE NOT NULL,
 description VARCHAR NOT NULL,
 amount REAL NOT NULL,
-accountid INT NOT NULL --foreign key from accounts
-orgid INT NOT NULL --foreign key from organizations
+accountid INT NOT NULL REFERENCES accounts(id) ON DELETE SET NULL,
+orgid INT NOT NULL REFERENCES organizations(id) ON DELETE SET NULL
 )
 
 CREATE TABLE IF NOT EXISTS snapshots(
 id SERIAL PRIMARY KEY,
 datetime DATE NOT NULL,
-accountid INT NOT NULL, --foreign key from accounts
+accountid INT NOT NULL REFERENCES accounts(id) ON DELETE SET NULL,
 balance REAL NOT NULL,
-orgid INT NOT NULL --foreign key from organizations
+orgid INT NOT NULL REFERENCES organizations(id) ON DELETE SET NULL
 )
 
 CREATE TABLE IF NOT EXISTS syncs(
 id SERIAL PRIMARY KEY,
 datetime DATE NOT NULL,
-accountid INT NOT NULL, --foreign key from accounts
-orgid INT NOT NULL --foreign key from organizations
+accountid INT NOT NULL REFERENCES accounts(id) ON DELETE SET NULL,
+orgid INT NOT NULL REFERENCES organizations(id) ON DELETE SET NULL
 )
 
 CREATE TABLE IF NOT EXISTS vendors(
 id SERIAL PRIMARY KEY,
 vendorname VARCHAR NOT NULL,
+orgid INT NOT NULL REFERENCES organizations(id) ON DELETE SET NULL
 )
 
 CREATE TABLE IF NOT EXISTS rawtransactions(