diff --git a/.gitignore b/.gitignore
index 32f65c5..8c18b09 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,8 @@
 # --- Datenbank-Dumps / Backups ---------------------------------
 *.sql
 *.sql.gz
+# Ausnahme: das Schema selbst enthaelt keine Daten
+!update/schema.sql
 *.dump
 *.bak
 
diff --git a/update/schema.sql b/update/schema.sql
new file mode 100644
index 0000000..060cbe5
--- /dev/null
+++ b/update/schema.sql
@@ -0,0 +1,672 @@
+-- Schema der Kundenverwaltung
+--
+-- Maßgeblich ist die Datenbank der Instanz kunden; project und work
+-- stammen aus ingwa, weil sie dort fehlen, der Code sie aber braucht.
+-- Einheitlich utf8mb4. Die Anwendung verbindet sich im strikten sql_mode
+-- (siehe db_verbinden() in incs/db.php).
+
+SET NAMES utf8mb4;
+SET FOREIGN_KEY_CHECKS = 0;
+
+CREATE TABLE `accesstype` (
+  `id` tinyint(3) NOT NULL AUTO_INCREMENT,
+  `typ` varchar(20) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `addKey` (
+  `accesskey` int(11) NOT NULL,
+  `datetime` datetime NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `adresse` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `partner_id` int(11) NOT NULL,
+  `anrede_id` int(5) NOT NULL,
+  `anrede2_id` int(5) NOT NULL,
+  `titel_id` int(5) NOT NULL,
+  `titel2_id` int(5) NOT NULL,
+  `vname` varchar(50) NOT NULL,
+  `vname2` varchar(50) NOT NULL,
+  `nname` varchar(50) NOT NULL,
+  `nname2` varchar(50) NOT NULL,
+  `firma` varchar(50) NOT NULL,
+  `str_id` int(11) NOT NULL,
+  `typ_id` int(2) NOT NULL,
+  `hnr` varchar(10) NOT NULL,
+  `zusatz` varchar(100) NOT NULL,
+  `gebdat` date NOT NULL,
+  `gebdat2` date NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_partner_titel_id` (`titel_id`),
+  KEY `fk_partner_anrede_id` (`anrede_id`),
+  KEY `fk_adr_str_id` (`str_id`),
+  KEY `fk_adr_typ_id` (`typ_id`),
+  KEY `onlyoneadresstype` (`partner_id`,`typ_id`),
+  CONSTRAINT `fk_adr_partner_id` FOREIGN KEY (`partner_id`) REFERENCES `partner` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_adr_str_id` FOREIGN KEY (`str_id`) REFERENCES `strasse` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_adr_typ_id` FOREIGN KEY (`typ_id`) REFERENCES `adresstyp` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_partner_anrede_id` FOREIGN KEY (`anrede_id`) REFERENCES `anrede` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_partner_titel_id` FOREIGN KEY (`titel_id`) REFERENCES `titel` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `adresstyp` (
+  `id` int(2) NOT NULL AUTO_INCREMENT,
+  `typ` varchar(20) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `altlasten` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `vacationdays` int(11) NOT NULL,
+  `hours` decimal(8,4) NOT NULL,
+  `ma_id` int(11) NOT NULL,
+  `last_generated` date NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_altlasten_user_id` (`ma_id`),
+  CONSTRAINT `fk_altlasten_user_id` FOREIGN KEY (`ma_id`) REFERENCES `user` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `anrede` (
+  `id` int(5) NOT NULL AUTO_INCREMENT,
+  `anrede` varchar(20) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `artikel` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `bezeichn` varchar(150) NOT NULL,
+  `typ_id` int(5) NOT NULL,
+  `datetime` datetime NOT NULL,
+  `user_id` int(11) NOT NULL,
+  `einheit_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_artikel_typ_id` (`typ_id`),
+  KEY `fk_art_rech_einheit_id` (`einheit_id`),
+  KEY `fk_artikel_user_id` (`user_id`),
+  CONSTRAINT `fk_art_rech_einheit_id` FOREIGN KEY (`einheit_id`) REFERENCES `einheit` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_artikel_typ_id` FOREIGN KEY (`typ_id`) REFERENCES `artikeltyp` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_artikel_user_id` FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `artikel_eigensch` (
+  `art_id` int(11) NOT NULL,
+  `eig_id` int(11) NOT NULL,
+  `rech_id` int(11) NOT NULL,
+  `posnr` int(5) NOT NULL,
+  `artposnr` int(11) NOT NULL,
+  KEY `fk_art_eig_art_id` (`art_id`),
+  KEY `fk_art_eig_rech_id` (`rech_id`),
+  KEY `fk_art_eig_eig_id` (`eig_id`),
+  CONSTRAINT `fk_art_eig_art_id` FOREIGN KEY (`art_id`) REFERENCES `artikel` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_art_eig_eig_id` FOREIGN KEY (`eig_id`) REFERENCES `eigensch` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_art_eig_rech_id` FOREIGN KEY (`rech_id`) REFERENCES `rechnung` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `artikel_rechn` (
+  `art_id` int(11) NOT NULL,
+  `rech_id` int(11) NOT NULL,
+  `posnr` int(5) NOT NULL,
+  `rabatt` int(3) NOT NULL,
+  `rabatttyp` int(2) NOT NULL,
+  `menge` decimal(6,3) NOT NULL,
+  `preis` decimal(10,2) DEFAULT NULL,
+  `angtyp` int(1) NOT NULL,
+  `artmwst` int(3) NOT NULL,
+  `wanr` varchar(100) NOT NULL,
+  `pagebreak` int(1) NOT NULL,
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  PRIMARY KEY (`id`),
+  KEY `fk_art_rech_art_id` (`art_id`),
+  KEY `fk_art_rech_rech_id` (`rech_id`),
+  CONSTRAINT `fk_art_rech_art_id` FOREIGN KEY (`art_id`) REFERENCES `artikel` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_art_rech_rech_id` FOREIGN KEY (`rech_id`) REFERENCES `rechnung` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `artikel_termin` (
+  `art_id` int(11) NOT NULL,
+  `termin_id` int(11) NOT NULL,
+  `menge` decimal(6,3) NOT NULL,
+  `rabatt` int(3) NOT NULL,
+  `wanr` varchar(100) NOT NULL,
+  KEY `fk_art_term_art_id` (`art_id`),
+  KEY `fk_art_term_ang_id` (`termin_id`),
+  CONSTRAINT `fk_art_term_ang_id` FOREIGN KEY (`termin_id`) REFERENCES `termin` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_art_term_art_id` FOREIGN KEY (`art_id`) REFERENCES `artikel` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `artikelsks` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `rechnr` int(11) NOT NULL,
+  `bezeichn1` varchar(60) NOT NULL,
+  `bezeichn2` varchar(60) NOT NULL,
+  `menge` decimal(6,3) NOT NULL,
+  `beschr` text DEFAULT NULL,
+  `pos` tinyint(3) NOT NULL,
+  `rabatt` tinyint(3) NOT NULL,
+  `preis` decimal(10,2) DEFAULT NULL,
+  `datetime` datetime NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_artikelsks_rech_id` (`rechnr`),
+  CONSTRAINT `fk_artikelsks_rech_id` FOREIGN KEY (`rechnr`) REFERENCES `rechnung` (`rechnr`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `artikeltyp` (
+  `id` int(5) NOT NULL AUTO_INCREMENT,
+  `bezeichn` varchar(50) NOT NULL,
+  `dropdown` tinyint(1) NOT NULL,
+  `list` tinyint(1) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `ausgabe` (
+  `id` int(11) NOT NULL,
+  `user_id` int(11) NOT NULL,
+  `partner_id` int(11) NOT NULL,
+  `rec_kto_id` int(11) NOT NULL,
+  `send_kto_id` int(11) NOT NULL,
+  `betr` decimal(12,3) NOT NULL,
+  `rabatt` decimal(4,1) NOT NULL,
+  KEY `fk_ausg_user_id` (`user_id`),
+  KEY `fk_ausg_reckto_id` (`rec_kto_id`),
+  KEY `fk_ausg_sendkto_id` (`send_kto_id`),
+  KEY `fk_ausg_partner_id` (`partner_id`),
+  CONSTRAINT `fk_ausg_partner_id` FOREIGN KEY (`partner_id`) REFERENCES `partner` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_ausg_reckto_id` FOREIGN KEY (`rec_kto_id`) REFERENCES `konto` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_ausg_sendkto_id` FOREIGN KEY (`send_kto_id`) REFERENCES `konto` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_ausg_user_id` FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `bank` (
+  `id` int(5) NOT NULL AUTO_INCREMENT,
+  `blz` varchar(30) NOT NULL,
+  `bank` varchar(100) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `buchungsKontos` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `kto` int(11) NOT NULL,
+  `name` varchar(100) NOT NULL,
+  `descr` text NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `eigensch` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `bezeichn` varchar(100) NOT NULL,
+  `wert` varchar(50) NOT NULL,
+  `einheit_id` int(11) NOT NULL,
+  `datetime` datetime NOT NULL,
+  `user_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_eigensch_user_id` (`user_id`),
+  KEY `fk_eigensch_einheit_id` (`einheit_id`),
+  CONSTRAINT `fk_eigensch_einheit_id` FOREIGN KEY (`einheit_id`) REFERENCES `einheit` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_eigensch_user_id` FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `einheit` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `einheit` varchar(10) NOT NULL,
+  `si` tinyint(1) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `kontakt` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `partner_id` int(11) NOT NULL,
+  `typ_id` int(3) NOT NULL,
+  `kontakt` varchar(100) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_kontakt_typ_id` (`typ_id`),
+  KEY `fk_kontakt_partner_id` (`partner_id`),
+  CONSTRAINT `fk_kontakt_partner_id` FOREIGN KEY (`partner_id`) REFERENCES `partner` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_kontakt_typ_id` FOREIGN KEY (`typ_id`) REFERENCES `kontakttyp` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `kontakttyp` (
+  `id` int(3) NOT NULL AUTO_INCREMENT,
+  `typ` varchar(20) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `konto` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `bank_id` int(5) NOT NULL,
+  `partner_id` int(11) NOT NULL,
+  `inhaber` varchar(50) NOT NULL,
+  `iban` varchar(30) NOT NULL,
+  `swift` varchar(15) NOT NULL,
+  `ktonr` varchar(20) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_kto_partner_id` (`partner_id`),
+  KEY `fk_kto_bank_id` (`bank_id`),
+  CONSTRAINT `fk_kto_bank_id` FOREIGN KEY (`bank_id`) REFERENCES `bank` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_kto_partner_id` FOREIGN KEY (`partner_id`) REFERENCES `partner` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `land` (
+  `id` int(5) NOT NULL AUTO_INCREMENT,
+  `land_short` varchar(5) NOT NULL,
+  `land` varchar(30) NOT NULL,
+  `datetime` datetime NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `log` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `typ_id` tinyint(3) NOT NULL,
+  `user_id` int(11) NOT NULL,
+  `datetime` datetime NOT NULL,
+  `qry` text NOT NULL,
+  `undo_qry` text DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_log_accesstype_id` (`typ_id`),
+  KEY `fk_log_user_id` (`user_id`),
+  CONSTRAINT `fk_log_accesstype_id` FOREIGN KEY (`typ_id`) REFERENCES `accesstype` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_log_user_id` FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `message` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `send_id` int(11) NOT NULL,
+  `rec_id` int(11) NOT NULL,
+  `head` varchar(50) DEFAULT NULL,
+  `msg` text NOT NULL,
+  `rd` tinyint(1) NOT NULL,
+  `datetime` datetime NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_msg_senduser_id` (`send_id`),
+  KEY `fk_msg_recuser_id` (`rec_id`),
+  CONSTRAINT `fk_msg_recuser_id` FOREIGN KEY (`rec_id`) REFERENCES `user` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_msg_senduser_id` FOREIGN KEY (`send_id`) REFERENCES `user` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `mwst` (
+  `id` int(3) NOT NULL AUTO_INCREMENT,
+  `mwst` decimal(4,1) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `mykonto` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `bank_id` int(5) NOT NULL,
+  `inhaber` varchar(50) NOT NULL,
+  `iban` varchar(30) NOT NULL,
+  `swift` varchar(15) NOT NULL,
+  `ktonr` varchar(20) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_mykto_bank_id` (`bank_id`),
+  CONSTRAINT `fk_mykto_bank_id` FOREIGN KEY (`bank_id`) REFERENCES `bank` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `notiz` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `partner_id` int(11) NOT NULL,
+  `notiz` text NOT NULL,
+  `datetime` datetime NOT NULL,
+  `color` varchar(6) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_notizen_partner_id` (`partner_id`),
+  CONSTRAINT `fk_notizen_partner_id` FOREIGN KEY (`partner_id`) REFERENCES `partner` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `ort` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `ort` varchar(30) NOT NULL,
+  `ortsteil` varchar(30) NOT NULL,
+  `plz` varchar(15) NOT NULL,
+  `vwahl` varchar(15) NOT NULL,
+  `land_id` int(5) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_ort_land_id` (`land_id`),
+  CONSTRAINT `fk_ort_land_id` FOREIGN KEY (`land_id`) REFERENCES `land` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `partner` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `datetime_new` datetime NOT NULL,
+  `datetime_lastchange` datetime NOT NULL,
+  `user_id` int(11) NOT NULL,
+  `typ_id` int(2) NOT NULL,
+  `zahlziel_id` int(3) NOT NULL,
+  `rabatt` int(3) NOT NULL,
+  `sks_not_checked` int(1) NOT NULL,
+  `sks_kdnotiz` text NOT NULL,
+  `updated_by` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_partner_typ_id` (`typ_id`),
+  KEY `fk_partner_zahlziel_id` (`zahlziel_id`),
+  KEY `fk_partner_user_id` (`user_id`),
+  CONSTRAINT `fk_partner_typ_id` FOREIGN KEY (`typ_id`) REFERENCES `partnertyp` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_partner_user_id` FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_partner_zahlziel_id` FOREIGN KEY (`zahlziel_id`) REFERENCES `zahlziel` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `partnertyp` (
+  `id` int(2) NOT NULL AUTO_INCREMENT,
+  `typ` varchar(15) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `passkeys` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `lastAuth` datetime NOT NULL,
+  `name` varchar(40) NOT NULL,
+  `userId` int(11) NOT NULL,
+  `credentialId` varchar(1023) NOT NULL,
+  `credentialPublicKey` text NOT NULL,
+  `signatureCounter` text NOT NULL,
+  `authKey` int(11) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `project` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `name` varchar(150) NOT NULL,
+  `name2` varchar(150) NOT NULL,
+  `partner_id` int(11) NOT NULL,
+  `changetime` datetime NOT NULL,
+  `changeuser` int(11) NOT NULL,
+  `datetime` datetime NOT NULL,
+  `intro` text NOT NULL,
+  `outro` text NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fek_proj_partner_id` (`partner_id`),
+  CONSTRAINT `fek_proj_partner_id` FOREIGN KEY (`partner_id`) REFERENCES `partner` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `rechnr` (
+  `rechnr` int(11) NOT NULL,
+  `typ_id` int(5) NOT NULL,
+  PRIMARY KEY (`rechnr`,`typ_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `rechnung` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `adressfields` varchar(12) NOT NULL,
+  `anrede1` varchar(150) NOT NULL,
+  `anrede2` varchar(150) NOT NULL,
+  `partner_id` int(11) NOT NULL,
+  `mwst_id` int(3) NOT NULL,
+  `user_id` int(11) NOT NULL,
+  `typ_id` int(2) NOT NULL,
+  `zahlziel_id` int(3) NOT NULL,
+  `adresse_id` int(11) NOT NULL,
+  `wahrung_id` tinyint(3) NOT NULL,
+  `changetime` datetime NOT NULL,
+  `changeuser` int(11) NOT NULL,
+  `datetime` datetime NOT NULL,
+  `rechnr` int(11) NOT NULL,
+  `rabatt` int(3) NOT NULL,
+  `rabattdesc` varchar(100) NOT NULL,
+  `intro` text NOT NULL,
+  `outro` text NOT NULL,
+  `sks` tinyint(1) NOT NULL,
+  `sub_mwst` int(1) NOT NULL,
+  `kommission` int(11) NOT NULL,
+  `lieferdatum` varchar(100) NOT NULL,
+  `adresserweiterung` varchar(100) NOT NULL,
+  `storno` int(1) NOT NULL DEFAULT 0,
+  `stornodate` datetime NOT NULL,
+  `buchungsKto_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fek_rech_partner_id` (`partner_id`),
+  KEY `fek_rech_adresse_id` (`adresse_id`),
+  KEY `fek_rech_mwst_id` (`mwst_id`),
+  KEY `fek_rech_user_id` (`user_id`),
+  KEY `fek_rech_zahlziehl_id` (`zahlziel_id`),
+  KEY `fek_rech_typ_id` (`typ_id`),
+  KEY `fek_rech_wahrung_id` (`wahrung_id`),
+  KEY `rechnr` (`rechnr`),
+  KEY `fk_rech_buchungsKto_id` (`buchungsKto_id`),
+  CONSTRAINT `fek_rech_adresse_id` FOREIGN KEY (`adresse_id`) REFERENCES `adresse` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fek_rech_mwst_id` FOREIGN KEY (`mwst_id`) REFERENCES `mwst` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fek_rech_partner_id` FOREIGN KEY (`partner_id`) REFERENCES `partner` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fek_rech_typ_id` FOREIGN KEY (`typ_id`) REFERENCES `rechtyp` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fek_rech_user_id` FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fek_rech_wahrung_id` FOREIGN KEY (`wahrung_id`) REFERENCES `wahrung` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fek_rech_zahlziehl_id` FOREIGN KEY (`zahlziel_id`) REFERENCES `zahlziel` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_rech_buchungsKto_id` FOREIGN KEY (`buchungsKto_id`) REFERENCES `buchungsKontos` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `rechtyp` (
+  `id` int(3) NOT NULL AUTO_INCREMENT,
+  `typ` varchar(20) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `setting` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `user_id` int(11) NOT NULL,
+  `opt` varchar(10) NOT NULL,
+  `val` text NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_settings_user_id` (`user_id`),
+  CONSTRAINT `fk_settings_user_id` FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `strasse` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `str` varchar(50) NOT NULL,
+  `ort_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_str_ort_id` (`ort_id`),
+  CONSTRAINT `fk_str_ort_id` FOREIGN KEY (`ort_id`) REFERENCES `ort` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `tel` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `ort_id` int(11) NOT NULL,
+  `partner_id` int(11) NOT NULL,
+  `typ_id` int(3) NOT NULL,
+  `nr` varchar(20) NOT NULL,
+  `name` varchar(30) NOT NULL,
+  `adresse_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_tel_ort_id` (`ort_id`),
+  KEY `fk_tel_typ_id` (`typ_id`),
+  KEY `fk_tel_partner_id` (`partner_id`),
+  CONSTRAINT `fk_tel_ort_id` FOREIGN KEY (`ort_id`) REFERENCES `ort` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_tel_partner_id` FOREIGN KEY (`partner_id`) REFERENCES `partner` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_tel_typ_id` FOREIGN KEY (`typ_id`) REFERENCES `teltyp` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `teltyp` (
+  `id` int(3) NOT NULL AUTO_INCREMENT,
+  `typ` varchar(20) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `termin` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `typ` int(2) NOT NULL,
+  `adresse_id` int(11) NOT NULL,
+  `text` text NOT NULL,
+  `changetime` datetime NOT NULL,
+  `done` tinyint(1) NOT NULL,
+  `user` int(11) NOT NULL,
+  `changeuser` int(11) NOT NULL,
+  `datetime` datetime NOT NULL,
+  `termtime` datetime NOT NULL,
+  `termdauer` time NOT NULL,
+  `followed_by` int(11) NOT NULL,
+  `act_date` datetime NOT NULL,
+  `head` varchar(100) NOT NULL,
+  `main_id` int(11) NOT NULL,
+  `user2` int(11) NOT NULL,
+  `user3` int(11) NOT NULL,
+  `user4` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_termin_typ_termtyp_id` (`typ`),
+  CONSTRAINT `fk_termin_typ_termtyp_id` FOREIGN KEY (`typ`) REFERENCES `termtyp` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `termtyp` (
+  `id` int(2) NOT NULL AUTO_INCREMENT,
+  `typ` varchar(20) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `titel` (
+  `id` int(5) NOT NULL AUTO_INCREMENT,
+  `titel` varchar(50) NOT NULL,
+  `datetime` datetime NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `tmp_artikel` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `bezeichn` varchar(150) NOT NULL,
+  `typ_id` int(5) NOT NULL,
+  `einheit_id` int(11) NOT NULL,
+  `preis` decimal(10,2) DEFAULT NULL,
+  `datetime` datetime NOT NULL,
+  `posnr` int(5) NOT NULL,
+  `rabatt` int(3) NOT NULL,
+  `rabatttyp` int(2) NOT NULL,
+  `menge` decimal(6,3) NOT NULL,
+  `angtyp` int(1) NOT NULL,
+  `mwst_id` int(3) NOT NULL,
+  `rech_id` int(11) NOT NULL,
+  `wanr` varchar(100) NOT NULL,
+  `pagebreak` int(1) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_tmp_artikel_typ_id` (`typ_id`),
+  KEY `fk_tmp_art_mwst_id` (`mwst_id`),
+  KEY `fk_tmp_art_rech_id` (`rech_id`),
+  KEY `fk_tmp_artikel_einheit_id` (`einheit_id`),
+  CONSTRAINT `fk_tmp_art_mwst_id` FOREIGN KEY (`mwst_id`) REFERENCES `mwst` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_tmp_art_rech_id` FOREIGN KEY (`rech_id`) REFERENCES `tmp_rechnung` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_tmp_artikel_einheit_id` FOREIGN KEY (`einheit_id`) REFERENCES `einheit` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_tmp_artikel_typ_id` FOREIGN KEY (`typ_id`) REFERENCES `artikeltyp` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `tmp_eigensch` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `bezeichn` varchar(100) NOT NULL,
+  `wert` varchar(50) NOT NULL,
+  `einheit_id` int(11) NOT NULL,
+  `art_id` int(11) NOT NULL,
+  `datetime` datetime NOT NULL,
+  `posnr` int(5) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_tmp_eigensch_art_id` (`art_id`),
+  KEY `fk_tmp_eigensch_einheit_id` (`einheit_id`),
+  CONSTRAINT `fk_tmp_eigensch_art_id` FOREIGN KEY (`art_id`) REFERENCES `tmp_artikel` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_tmp_eigensch_einheit_id` FOREIGN KEY (`einheit_id`) REFERENCES `einheit` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `tmp_rechnung` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `adressfields` varchar(12) NOT NULL,
+  `partner_id` int(11) NOT NULL,
+  `anrede1` varchar(150) NOT NULL,
+  `anrede2` varchar(150) NOT NULL,
+  `mwst_id` int(3) NOT NULL,
+  `user_id` int(11) NOT NULL,
+  `rechnr` int(11) NOT NULL,
+  `typ_id` int(2) NOT NULL,
+  `zahlziel_id` int(3) NOT NULL,
+  `adresse_id` int(11) NOT NULL,
+  `wahrung_id` tinyint(3) NOT NULL,
+  `datetime` datetime NOT NULL,
+  `rabatt` int(3) NOT NULL,
+  `rabattdesc` varchar(100) NOT NULL,
+  `intro` text NOT NULL,
+  `outro` text NOT NULL,
+  `sub_mwst` int(1) NOT NULL,
+  `kommission` int(11) NOT NULL,
+  `lieferdatum` varchar(100) NOT NULL,
+  `adresserweiterung` varchar(100) NOT NULL,
+  `storno` int(1) NOT NULL DEFAULT 0,
+  `buchungsKto_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_tmp_rech_partner_id` (`partner_id`),
+  KEY `fk_tmp_rech_adresse_id` (`adresse_id`),
+  KEY `fk_tmp_rech_mwst_id` (`mwst_id`),
+  KEY `fk_tmp_rech_user_id` (`user_id`),
+  KEY `fk_tmp_rech_zahlziehl_id` (`zahlziel_id`),
+  KEY `fk_tmp_rech_typ_id` (`typ_id`),
+  KEY `fk_tmp_rech_wahrung_id` (`wahrung_id`),
+  KEY `fek_rech_buchungsKto_id` (`buchungsKto_id`),
+  CONSTRAINT `fek_rech_buchungsKto_id` FOREIGN KEY (`buchungsKto_id`) REFERENCES `buchungsKontos` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_tmp_rech_adresse_id` FOREIGN KEY (`adresse_id`) REFERENCES `adresse` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_tmp_rech_mwst_id` FOREIGN KEY (`mwst_id`) REFERENCES `mwst` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_tmp_rech_partner_id` FOREIGN KEY (`partner_id`) REFERENCES `partner` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_tmp_rech_typ_id` FOREIGN KEY (`typ_id`) REFERENCES `rechtyp` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_tmp_rech_user_id` FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_tmp_rech_wahrung_id` FOREIGN KEY (`wahrung_id`) REFERENCES `wahrung` (`id`) ON UPDATE CASCADE,
+  CONSTRAINT `fk_tmp_rech_zahlziehl_id` FOREIGN KEY (`zahlziel_id`) REFERENCES `zahlziel` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `user` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `vname` varchar(50) NOT NULL,
+  `nname` varchar(50) NOT NULL,
+  `nick` varchar(50) NOT NULL,
+  `pass` varchar(150) NOT NULL,
+  `mail` varchar(50) NOT NULL,
+  `salt` varchar(50) NOT NULL,
+  `tel_priv` varchar(30) NOT NULL,
+  `tel_gesch` varchar(30) NOT NULL,
+  `tel_mobil` varchar(30) NOT NULL,
+  `lastlogin` datetime NOT NULL,
+  `numlogins` int(11) NOT NULL,
+  `logedout` tinyint(2) NOT NULL,
+  `wrongpw` tinyint(3) NOT NULL,
+  `notizen` text NOT NULL,
+  `blocked` tinyint(1) NOT NULL,
+  `rights` varchar(6) NOT NULL,
+  `weekly_hours` int(11) NOT NULL,
+  `rfid` varchar(10) NOT NULL,
+  `color` varchar(8) NOT NULL,
+  `weekhours` decimal(6,3) NOT NULL,
+  `vacationdays` int(4) NOT NULL,
+  `sahours` decimal(3,1) NOT NULL,
+  `timelog_start` date NOT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `nick` (`nick`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `wahrung` (
+  `id` tinyint(3) NOT NULL AUTO_INCREMENT,
+  `wahrung` varchar(20) NOT NULL,
+  `kurs` decimal(8,4) DEFAULT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `work` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `bezeichn` varchar(150) NOT NULL,
+  `bezeichn2` varchar(150) NOT NULL,
+  `project_id` int(11) NOT NULL,
+  `changetime` datetime NOT NULL,
+  `changeuser` int(11) NOT NULL,
+  `datetime` datetime NOT NULL,
+  `std` decimal(6,3) NOT NULL,
+  `rechn` int(11) NOT NULL DEFAULT 0,
+  PRIMARY KEY (`id`),
+  KEY `fek_work_partner_id` (`project_id`),
+  CONSTRAINT `fek_work_partner_id` FOREIGN KEY (`project_id`) REFERENCES `project` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `zahlziel` (
+  `id` int(3) NOT NULL AUTO_INCREMENT,
+  `ziel` varchar(150) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE `zeiten` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `ma_id` int(11) NOT NULL,
+  `kommen` datetime NOT NULL,
+  `gehen` datetime NOT NULL,
+  `pause_mins` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `fk_zeiten_user_id` (`ma_id`),
+  CONSTRAINT `fk_zeiten_user_id` FOREIGN KEY (`ma_id`) REFERENCES `user` (`id`) ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+SET FOREIGN_KEY_CHECKS = 1;