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bank/schema.sql

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+\i schema_drop.sql
+
+CREATE TABLE IF NOT EXISTS Customers(
+	CPR_number integer PRIMARY KEY,
+	risk_type boolean default False,
+	password varchar(120),
+	name varchar(60),
+	address text
+);
+
+CREATE TABLE IF NOT EXISTS Employees(
+	id integer PRIMARY KEY,
+    name varchar(20),
+    password varchar(120)
+);
+-- Solving the accounts ISA Hierachy. 
+-- (-)relational style. In this case every entity is implemented
+-- -objects atyle. In this case only typed objects. Implement a type on manages
+-- -nulls style. In this case only accounts
+
+-- Serial this is the account number across the system
+-- 
+
+CREATE TABLE IF NOT EXISTS Accounts(
+	account_number SERIAL PRIMARY KEY,
+	created_date date,
+	CPR_number integer  REFERENCES Customers(CPR_number)
+);
+
+
+CREATE TABLE IF NOT EXISTS manages(
+	emp_cpr_number INTEGER NOT NULL REFERENCES employees(id),
+	account_number INTEGER NOT NULL REFERENCES accounts
+);
+ALTER TABLE manages ADD CONSTRAINT pk_manages
+  PRIMARY KEY (emp_cpr_number, account_number)
+  ;
+
+
+CREATE TABLE IF NOT EXISTS CheckingAccounts(
+	account_number INTEGER PRIMARY KEY
+);
+
+ALTER TABLE CheckingAccounts ADD CONSTRAINT fk_ChAcc_001 
+  FOREIGN KEY (account_number) REFERENCES Accounts(account_number)
+;
+
+CREATE TABLE IF NOT EXISTS InvestmentAccounts(
+	account_number SERIAL PRIMARY KEY
+);
+ALTER TABLE InvestmentAccounts ADD CONSTRAINT fk_InAcc_001 
+  FOREIGN KEY (account_number) REFERENCES Accounts(account_number)
+;
+
+-- transfers
+CREATE TABLE IF NOT EXISTS Transfers(
+	id SERIAL PRIMARY KEY,
+	transfer_date date,
+	amount INTEGER,
+	from_account  INTEGER REFERENCES accounts(account_number),
+	to_account    INTEGER REFERENCES accounts(account_number)
+);
+
+COMMENT ON COLUMN Transfers.from_account IS 'has origin';
+COMMENT ON COLUMN Transfers.to_account   IS 'has destination';
+
+-- checking accounts
+CREATE TABLE IF NOT EXISTS Withdraws(
+	id SERIAL PRIMARY KEY,
+	account_number  INTEGER REFERENCES CheckingAccounts(account_number),
+	amount integer,
+	withdraw_date date
+);
+
+CREATE TABLE IF NOT EXISTS Deposits(
+	id SERIAL PRIMARY KEY,
+	account_number  INTEGER REFERENCES CheckingAccounts(account_number),
+	amount integer,
+	deposit_date date
+);
+
+-- investments
+-- Solving the certificate ISA Hierachy. 
+-- -relational style. In this case every entity is implemented
+-- -objects atyle. In this case only typed objects.
+-- (-)nulls style. In this case only one certificate entity set
+
+CREATE TABLE IF NOT EXISTS Certificates_of_deposit(
+	cd_number SERIAL PRIMARY KEY,
+	account_number  INTEGER REFERENCES InvestmentAccounts(account_number),
+	start_date date,
+	amount integer,
+	maturity_date date,
+	rate integer    --at fixed rate certificated´s of deposite
+);
+COMMENT ON COLUMN Certificates_of_deposit.rate IS 'at fixed rate certificated´s of deposite';
+
+\i sql_ddl/vw_cd_sum.sql
+\i sql_ddl/vw_invest_accounts.sql
+\i sql_ddl/vw_invest_certificates.sql
+\i sql_ddl/vw_tdw.sql