17 lines
593 B
SQL
17 lines
593 B
SQL
-- Create accounts table
|
|
CREATE TABLE accounts (
|
|
account_id BIGINT PRIMARY KEY,
|
|
balance DECIMAL(20, 2) NOT NULL
|
|
);
|
|
|
|
-- Create transactions table for audit purposes
|
|
CREATE TABLE transactions (
|
|
transaction_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
|
|
source_account_id BIGINT NOT NULL,
|
|
destination_account_id BIGINT NOT NULL,
|
|
amount DECIMAL(20, 2) NOT NULL,
|
|
created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
|
|
FOREIGN KEY (source_account_id) REFERENCES accounts (account_id),
|
|
FOREIGN KEY (destination_account_id) REFERENCES accounts (account_id)
|
|
);
|