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Wolfgang Hottgenroth 2021-01-10 15:47:05 +01:00
commit d890c1b8c2
Signed by: wn
GPG Key ID: E49AF3B9EF6DD469
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schema/initial-create-schema.sql Normal file
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create database hausverwaltung;
use hausverwaltung;
create table objekt (
id integer unsigned not null auto_increment,
shortname varchar(32) not null,
flaeche decimal (20, 10) not null,
constraint primary key (id),
constraint unique key uk_objekt_shortname (shortname)
) engine=InnoDB;
create table wohnung (
id integer unsigned not null auto_increment,
objekt integer unsigned not null,
shortname varchar(64) not null,
flaeche decimal (20, 10) not null,
constraint primary key (id),
constraint unique key uk_wohnung_objekt_shortname (objekt, shortname),
constraint foreign key fk_wohnung_objekt (objekt)
references objekt (id)
on delete restrict
on update cascade
) engine=InnoDB;
create table mieter (
id integer unsigned not null auto_increment,
wohnung integer unsigned not null,
anrede varchar(32),
vorname varchar(128),
nachname varchar(128) not null,
strasse varchar(128),
plz varchar(10),
ort varchar(128),
telefon varchar(64),
einzug date not null,
auszug date,
constraint primary key (id),
constraint foreign key fk_mieter_wohnung (wohnung)
references wohnung (id)
on delete restrict
on update cascade
) engine=InnoDB;
create table zahlung (
id integer unsigned not null auto_increment,
mieter integer unsigned not null,
datum date not null,
betrag decimal (20, 10) not null,
constraint primary key (id),
constraint foreign key fk_zahlung_mieter (mieter)
references mieter (id)
on delete restrict
on update cascade
) engine=InnoDB;
create table miete (
id integer unsigned not null auto_increment,
wohnung integer unsigned not null,
betrag decimal (20, 10) not null,
gueltig_ab date not null,
gueltig_bis date not null,
constraint primary key (id),
constraint unique key uk_miete_wohnung_gueltig_ab (wohnung, gueltig_ab),
constraint unique key uk_miete_wohnung_gueltig_bis (wohnung, gueltig_bis),
constraint foreign key fk_miete_wohnung (wohnung)
references wohnung (id)
on delete restrict
on update cascade
) engine=InnoDB;
create table betriebskosten_vorauszahlung (
id integer unsigned not null auto_increment,
objekt integer unsigned not null,
betrag decimal (20, 10) not null,
gueltig_ab date not null,
gueltig_bis date not null,
constraint primary key (id),
constraint unique key uk_betriebskosten_vorauszahlung_objekt_gueltig_ab (objekt, gueltig_ab),
constraint unique key uk_betriebskosten_vorauszahlung_objekt_gueltig_bis (objekt, gueltig_bis),
constraint foreign key fk_betriebskosten_vorauszahlung_objekt (objekt)
references objekt (id)
on delete restrict
on update cascade
) engine=InnoDB;
create table betriebskosten_abrechnung (
id integer unsigned not null auto_increment,
objekt integer unsigned not null,
jahr year not null,
betrag decimal (20, 10) not null,
constraint primary key (id),
constraint unique key uk_betriebskosten_abrechnung_objekt_jahr (objekt, jahr),
constraint foreign key fk_betriebskosten_abrechnung_objekt (objekt)
references objekt (id)
on delete restrict
on update cascade
) engine=InnoDB;