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PRAGMA foreign_keys = ON;
CREATE TABLE accounts(
id INTEGER NOT NULL PRIMARY KEY,
name TEXT NOT NULL,
opening_balance INTEGER NOT NULL,
opening_date TEXT NOT NULL
);
CREATE TABLE budget_updates(
id INTEGER NOT NULL PRIMARY KEY,
category_id INTEGER NOT NULL,
date TEXT NOT NULL,
new_budget INTEGER NOT NULL,
new_period INTEGER NOT NULL,
UNIQUE (category_id, date),
FOREIGN KEY (category_id)
REFERENCES categories (id)
ON UPDATE CASCADE
ON DELETE RESTRICT
);
CREATE TABLE categories(
id INTEGER NOT NULL PRIMARY KEY,
name TEXT NOT NULL
);
CREATE TABLE category_transfers(
id INTEGER NOT NULL PRIMARY KEY,
description TEXT NOT NULL,
quantity INTEGER NOT NULL,
from_category_id INTEGER NOT NULL,
to_category_id INTEGER NOT NULL,
FOREIGN KEY (from_category_id)
REFERENCES categories (id)
ON UPDATE CASCADE
ON DELETE RESTRICT,
FOREIGN KEY (to_category_id)
REFERENCES categories (id)
ON UPDATE CASCADE
ON DELETE RESTRICT
);
CREATE TABLE transactions(
id INTEGER NOT NULL PRIMARY KEY,
description TEXT NOT NULL,
payee TEXT NOT NULL,
quantity INTEGER NOT NULL,
date TEXT NOT NULL,
account_id INTEGER NOT NULL,
FOREIGN KEY (account_id)
REFERENCES accounts (id)
ON UPDATE CASCADE
ON DELETE RESTRICT
);
CREATE TABLE transaction_categorisations(
id INTEGER NOT NULL PRIMARY KEY,
description TEXT NOT NULL,
quantity INTEGER NOT NULL,
transaction_id INTEGER NOT NULL,
category_id INTEGER NOT NULL,
FOREIGN KEY (transaction_id)
REFERENCES transactions (id)
ON UPDATE CASCADE
ON DELETE RESTRICT,
FOREIGN KEY (category_id)
REFERENCES categories (id)
ON UPDATE CASCADE
ON DELETE RESTRICT
);
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