banque

banque.final.sql

@@ -9,7 +9,7 @@ create type holder_type as enum ('BANK', 'PERSON', 'COMPANY');
 
 create table holder (
   "id" bigint primary key generated always as identity,          -- identifiant unique
-  "type" holder_type  not null,
+  "type" holder_type not null,
   "created_at" timestamp not null default current_timestamp      -- date et heure de création
 );
 
@@ -28,7 +28,7 @@ create table person (
   "id" bigint primary key references holder(id) on delete cascade,
   "firstname" text not null,
   "lastname" text not null,
-  "birthdate" date not null
+  "birthdate" date not null check (birthdate <= current_date - interval '15 years')
 );
 
 /*
@@ -47,8 +47,8 @@ create table currency (
 
 create table exchange_rate (
   "currency_code" text references currency(code) on delete cascade,
-  "date" date,
-  "rate" decimal,
+  "date" date ,
+  "rate" decimal not null,
   primary key (currency_code, date)
 );
 /*
@@ -59,7 +59,7 @@ create table account (
   "id" bigint primary key generated always as identity,
   "opened_at" date not null default current_date,
   "balance" numeric(18,6) not null default 0 check (balance >= 0),
-  "currency_code" text references currency (code)
+  "currency_code" text not null references currency (code)
 );
 
 /*
@@ -71,23 +71,21 @@ create table account (
 create table account_holder (
   "account_id" int not null references account(id) on delete cascade,
   "holder_id" int not null references holder(id) on delete cascade,
-  "share" decimal(4,3) default 1 check (share > 0 and share <= 1),
+  "share" decimal(4,3) not null default 1 check (share > 0 and share <= 1),
   primary key (account_id, holder_id)
 );
 
 
-
-
 create table transaction (
   "id" bigint primary key generated always as identity,
-  "transaction_date" timestamp default current_timestamp,
-  amount decimal check (amount > 0)
+  "transaction_date" timestamp not null default current_timestamp,
+  amount decimal not null check (amount > 0)
 );
 
 create table operation (
   "id" bigint primary key generated always as identity,
-  "transaction_id" bigint references transaction(id),
-  "account_id" bigint references account(id),
-  amount decimal check (amount > 0),
-  direction text check (direction in ('DEBIT', 'CREDIT'))
+  "transaction_id" bigint not null references transaction(id),
+  "account_id" bigint not null references account(id),
+  amount decimal not null check (amount > 0),
+  direction text not null check (direction in ('DEBIT', 'CREDIT'))
 );