added project
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138
create_tables.sql
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138
create_tables.sql
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DROP TABLE Abteilungen CASCADE CONSTRAINTS;
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DROP TABLE Angestellte CASCADE CONSTRAINTS;
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DROP TABLE Artikel CASCADE CONSTRAINTS;
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DROP TABLE Preishistorie CASCADE CONSTRAINTS;
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DROP TABLE Lieferanten CASCADE CONSTRAINTS;
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DROP TABLE Lieferung CASCADE CONSTRAINTS;
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DROP TABLE Lieferungsdetails CASCADE CONSTRAINTS;
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DROP TABLE Adresse CASCADE CONSTRAINTS;
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CREATE TABLE Adresse (
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Id NUMBER GENERATED AS IDENTITY PRIMARY KEY,
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Strasse VARCHAR2(60) NOT NULL,
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HausNr NUMBER(5) NOT NULL CHECK (HausNr > 0),
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Stadt VARCHAR2(60) NOT NULL,
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PLZ NUMBER(10) NOT NULL CHECK (PLZ > 0),
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Land VARCHAR2(60) NOT NULL
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);
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CREATE TABLE Abteilungen (
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Id NUMBER GENERATED AS IDENTITY PRIMARY KEY,
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Name VARCHAR2(50) NOT NULL,
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AbteilungsleiterId NUMBER
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);
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CREATE TABLE Angestellte (
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Id NUMBER GENERATED AS IDENTITY PRIMARY KEY,
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Personalnummer NUMBER UNIQUE NOT NULL CHECK (Personalnummer > 0),
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Name VARCHAR2(50) NOT NULL,
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AdresseId NUMBER NOT NULL,
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AbteilungsId NUMBER,
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CONSTRAINT fk_adresse FOREIGN KEY (AdresseId) REFERENCES Adresse(Id),
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CONSTRAINT fk_abteilung FOREIGN KEY (AbteilungsId) REFERENCES Abteilungen(Id)
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);
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CREATE TABLE Artikel (
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Id NUMBER GENERATED AS IDENTITY PRIMARY KEY,
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Bezeichnung VARCHAR2(50) NOT NULL,
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Verkaufspreis NUMBER NOT NULL CHECK (Verkaufspreis >= 0),
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SupermarktArtikelnummer VARCHAR2(50) UNIQUE NOT NULL CHECK (LENGTH(SupermarktArtikelnummer) >= 4),
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AbteilungsId NUMBER NOT NULL,
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Vorrat Number DEFAULT 0 CHECK (Vorrat >= 0) NOT NULL,
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CONSTRAINT fk_artikel_abteilung FOREIGN KEY (AbteilungsId) REFERENCES Abteilungen(Id)
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);
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CREATE TABLE Preishistorie (
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Id NUMBER GENERATED AS IDENTITY PRIMARY KEY,
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ArtikelId NUMBER NOT NULL,
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GueltigAb DATE NOT NULL,
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Preis NUMBER NOT NULL,
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Typ VARCHAR2(50) NOT NULL CHECK (Typ IN ('Normalpreis', 'Aktionspreis')),
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CONSTRAINT fk_preishistorie_artikel FOREIGN KEY (ArtikelId) REFERENCES Artikel(Id)
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);
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CREATE TABLE Lieferanten (
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Id NUMBER GENERATED AS IDENTITY PRIMARY KEY,
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Name VARCHAR2(50) NOT NULL,
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AdresseId NUMBER NOT NULL,
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CONSTRAINT fk_lieferanten_adresse FOREIGN KEY (AdresseId) REFERENCES Adresse(Id)
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);
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CREATE TABLE Lieferung (
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Id NUMBER GENERATED AS IDENTITY PRIMARY KEY,
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LieferantId NUMBER NOT NULL CHECK (LieferantId > 0),
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Lieferdatum DATE NOT NULL,
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CONSTRAINT fk_lieferung_lieferant FOREIGN KEY (LieferantId) REFERENCES Lieferanten(Id)
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);
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CREATE TABLE Lieferungsdetails (
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Id NUMBER GENERATED AS IDENTITY PRIMARY KEY,
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LieferungsId NUMBER NOT NULL,
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ArtikelId NUMBER NOT NULL,
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Kaufpreis NUMBER NOT NULL CHECK (Kaufpreis >= 0),
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Menge NUMBER NOT NULL CHECK (Menge > 0),
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LieferantArtikelnummer VARCHAR2(50) NOT NULL,
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CONSTRAINT fk_lieferungsdetails_lieferung FOREIGN KEY (LieferungsId) REFERENCES Lieferung(Id),
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CONSTRAINT fk_lieferungsdetails_artikel FOREIGN KEY (ArtikelId) REFERENCES Artikel(Id)
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);
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--INSERTS
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--Daten für die Tabelle Adresse
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INSERT INTO Adresse (Strasse, HausNr, Stadt, PLZ, Land) VALUES ('Hauptstraße', 1, 'Wien', 1010, 'Österreich');
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INSERT INTO Adresse (Strasse, HausNr, Stadt, PLZ, Land) VALUES ('Bahnhofstraße', 15, 'Linz', 4020, 'Österreich');
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INSERT INTO Adresse (Strasse, HausNr, Stadt, PLZ, Land) VALUES ('Marktplatz', 3, 'Salzburg', 5020, 'Österreich');
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--Daten für die Tabelle Abteilungen
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INSERT INTO Abteilungen (Name) VALUES ('Milchprodukte');
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INSERT INTO Abteilungen (Name) VALUES ('Backwaren');
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INSERT INTO Abteilungen (Name) VALUES ('Süßes');
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--Daten für die Tabelle Angestellte
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INSERT INTO Angestellte (Personalnummer, Name, AdresseId, AbteilungsId) VALUES (1001, 'Matthias Watzinger', 1, 1);
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INSERT INTO Angestellte (Personalnummer, Name, AdresseId, AbteilungsId) VALUES (1002, 'Anna Schmidt', 2, 2);
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INSERT INTO Angestellte (Personalnummer, Name, AdresseId, AbteilungsId) VALUES (1003, 'Felix Huber', 3, 3);
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--Daten für die Tabelle Artikel
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INSERT INTO Artikel (Bezeichnung, Verkaufspreis, SupermarktArtikelnummer, AbteilungsId, Vorrat) VALUES ('Milch', 1.29, 'A1001', 1, 10);
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INSERT INTO Artikel (Bezeichnung, Verkaufspreis, SupermarktArtikelnummer, AbteilungsId, Vorrat) VALUES ('Brot', 2.49, 'A1002', 1, 5);
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INSERT INTO Artikel (Bezeichnung, Verkaufspreis, SupermarktArtikelnummer, AbteilungsId, Vorrat) VALUES ('Haribo Gummibärchen', 2.99, 'A1003', 1, 100);
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--Daten für die Tabelle Preishistorie
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INSERT INTO Preishistorie (ArtikelId, GueltigAb, Preis, Typ) VALUES (1, TO_DATE('2024-01-01', 'YYYY-MM-DD'), 1.19, 'Aktionspreis');
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INSERT INTO Preishistorie (ArtikelId, GueltigAb, Preis, Typ) VALUES (2, TO_DATE('2024-02-01', 'YYYY-MM-DD'), 2.39, 'Normalpreis');
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INSERT INTO Preishistorie (ArtikelId, GueltigAb, Preis, Typ) VALUES (3, TO_DATE('2024-03-01', 'YYYY-MM-DD'), 2.79, 'Aktionspreis');
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--Daten für die Tabelle Lieferanten
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INSERT INTO Lieferanten (Name, AdresseId) VALUES ('Frisch & Gut GmbH', 1);
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INSERT INTO Lieferanten (Name, AdresseId) VALUES ('Bäckerei Sonnenschein', 2);
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INSERT INTO Lieferanten (Name, AdresseId) VALUES ('Dairy Fresh AG', 3);
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--Daten für die Tabelle Lieferung
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INSERT INTO Lieferung (LieferantId, Lieferdatum) VALUES (1, TO_DATE('2024-03-15', 'YYYY-MM-DD'));
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INSERT INTO Lieferung (LieferantId, Lieferdatum) VALUES (2, TO_DATE('2024-03-16', 'YYYY-MM-DD'));
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INSERT INTO Lieferung (LieferantId, Lieferdatum) VALUES (3, TO_DATE('2024-03-17', 'YYYY-MM-DD'));
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--Daten für die Tabelle Lieferungsdetails
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INSERT INTO Lieferungsdetails (LieferungsId, ArtikelId, Kaufpreis, Menge, LieferantArtikelnummer) VALUES (1, 1, 0.99, 100, 'L1001');
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INSERT INTO Lieferungsdetails (LieferungsId, ArtikelId, Kaufpreis, Menge, LieferantArtikelnummer) VALUES (1, 2, 3, 50, 'L1001');
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INSERT INTO Lieferungsdetails (LieferungsId, ArtikelId, Kaufpreis, Menge, LieferantArtikelnummer) VALUES (2, 2, 1.99, 50, 'L1002');
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INSERT INTO Lieferungsdetails (LieferungsId, ArtikelId, Kaufpreis, Menge, LieferantArtikelnummer) VALUES (3, 3, 2.49, 75, 'L1003');
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--ALTER und UPDATEs
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UPDATE Abteilungen SET AbteilungsleiterId = 1 WHERE Id = 1; -- Matthias Watzinger as Leiter of Milchprodukte
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UPDATE Abteilungen SET AbteilungsleiterId = 2 WHERE Id = 2; -- Anna Schmidt as Leiter of Backwaren
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UPDATE Abteilungen SET AbteilungsleiterId = 3 WHERE Id = 3; -- Felix Huber as Leiter of Süßes;
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ALTER TABLE Abteilungen
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ADD CONSTRAINT fk_abteilungsleiter FOREIGN KEY (AbteilungsleiterId) REFERENCES Angestellte(Id);
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--SELECT (Grundlegend)
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SELECT * FROM Adresse;
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SELECT * FROM Abteilungen;
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SELECT * FROM Angestellte;
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SELECT * FROM Artikel;
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SELECT * FROM Preishistorie;
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SELECT * FROM Lieferanten;
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SELECT * FROM Lieferung;
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SELECT * FROM Lieferungsdetails;
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89
procedures.sql
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89
procedures.sql
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SET SERVEROUTPUT ON;
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CREATE OR REPLACE PACKAGE supermarkt AS
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TYPE product_record IS RECORD (
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product_id NUMBER,
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price NUMBER,
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amount NUMBER,
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supplier_article_number VARCHAR2(50)
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);
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TYPE product_collection IS TABLE OF product_record INDEX BY BINARY_INTEGER;
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PROCEDURE new_delivery(supplier_id NUMBER, delivery_date DATE, products product_collection);
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PROCEDURE change_price(product_id NUMBER, price NUMBER, from_date DATE, special_offer SMALLINT);
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FUNCTION get_delivery_price(delivery_id NUMBER) RETURN Number;
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FUNCTION get_price_of_date(product_id NUMBER, p_date DATE) RETURN Number;
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END supermarkt;
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/
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CREATE OR REPLACE PACKAGE BODY supermarkt AS
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PROCEDURE new_delivery(supplier_id NUMBER, delivery_date DATE, products product_collection)
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IS
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begin
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INSERT INTO LIEFERUNG (LieferantId, Lieferdatum)
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VALUES (supplier_id, delivery_date);
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FOR i IN 1 .. products.COUNT LOOP
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INSERT INTO lieferungsdetails (LIEFERUNGSID, ArtikelId, Kaufpreis, Menge, LieferantArtikelnummer)
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VALUES ((SELECT Max(Id) FROM LIEFERUNG), products(i).product_id, products(i).price, products(i).amount, products(i).supplier_article_number);
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UPDATE Artikel SET Vorrat = Vorrat + products(i).amount WHERE Id = products(i).product_id;
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END LOOP;
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COMMIT;
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end new_delivery;
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PROCEDURE change_price(product_id NUMBER, price NUMBER, from_date DATE, special_offer SMALLINT)
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IS
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v_price_at_date NUMBER;
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v_typ_at_date VARCHAR2(50);
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v_count NUMBER;
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BEGIN
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SELECT COUNT(*) INTO v_count FROM PREISHISTORIE WHERE ARTIKELID = product_id AND TRUNC(GueltigAb) = TRUNC(from_date);
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DBMS_OUTPUT.PUT_LINE('Anzahl der Einträge: ' || v_count);
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IF v_count > 0 THEN
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UPDATE PREISHISTORIE SET Preis = price, Typ = CASE WHEN special_offer = 1 THEN 'Aktionspreis' ELSE 'Normalpreis' END
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WHERE ArtikelId = product_id AND TRUNC(GueltigAb) = TRUNC(from_date);
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ELSE
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INSERT INTO Preishistorie (ArtikelId, GueltigAb, Preis, Typ)
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VALUES (product_id, from_date, price, CASE WHEN special_offer = 1 THEN 'Aktionspreis' ELSE 'Normalpreis' END);
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UPDATE Artikel SET Verkaufspreis = get_price_of_date(product_id, SYSDATE) WHERE Id = product_id;
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END If;
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EXCEPTION
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WHEN NO_DATA_FOUND THEN
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RAISE_APPLICATION_ERROR(-20001, 'Artikel mit ID ' || product_id || ' nicht gefunden.');
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END change_price;
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FUNCTION get_delivery_price(delivery_id NUMBER) RETURN Number
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IS
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v_total_price Number;
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BEGIN
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SELECT SUM(Kaufpreis * Menge) INTO v_total_price
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FROM lieferungsdetails
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WHERE lieferungsid = delivery_id;
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RETURN v_total_price;
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END get_delivery_price;
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FUNCTION get_price_of_date(product_id NUMBER, p_date DATE) RETURN NUMBER
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IS
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v_price NUMBER;
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BEGIN
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SELECT Preis INTO v_price
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FROM Preishistorie
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WHERE ArtikelId = product_id AND GueltigAb <= p_date
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ORDER BY GueltigAb DESC
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FETCH FIRST 1 ROW ONLY;
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RETURN v_price;
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END get_price_of_date;
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END supermarkt;
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/
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DECLARE
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products supermarkt.product_collection := supermarkt.product_collection();
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BEGIN
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products(1):= supermarkt.product_record(1, 2.99, 10, 'A123');
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supermarkt.new_delivery(1, SYSDATE, products);
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supermarkt.change_price(1, 3.80, SYSDATE+10, 1);
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DBMS_OUTPUT.PUT_LINE(supermarkt.get_delivery_price(1));
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DBMS_OUTPUT.PUT_LINE('Aktueller Preis '||supermarkt.get_price_of_date(1,SYSDATE));
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DBMS_OUTPUT.PUT_LINE('Preis nach Änderung '||supermarkt.get_price_of_date(1,SYSDATE+11));
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END;
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/
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SELECT * FROM Lieferung;
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SELECT * FROM LIEFERUNGSDETAILS;
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SELECT * FROM Artikel;
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SELECT Preis, TO_CHAR(GUELTIGAB, 'dd.mm.yyyy.hh.ss') FROM PREISHISTORIE WHERE ARTIKELID = 1;
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