Question
CREATE TABLE Products ( ProductID NUMBER NOT NULL, ProductName VARCHAR2(40) NOT NULL, QuantityPerUnit VARCHAR2(20), UnitPrice NUMBER, UnitsInStock NUMBER, UnitsOnOrder NUMBER, ReorderLevel NUMBER, Discontinued NUMBER(1) NOT
CREATE TABLE Products
(
ProductID NUMBER NOT NULL,
ProductName VARCHAR2(40) NOT NULL,
QuantityPerUnit VARCHAR2(20),
UnitPrice NUMBER,
UnitsInStock NUMBER,
UnitsOnOrder NUMBER,
ReorderLevel NUMBER,
Discontinued NUMBER(1) NOT NULL,
CONSTRAINT PK_Products
PRIMARY KEY (ProductID),
CONSTRAINT CK_Products_UnitPrice CHECK ((UnitPrice >= 0)),
CONSTRAINT CK_ReorderLevel CHECK ((ReorderLevel >= 0)),
CONSTRAINT CK_UnitsInStock CHECK ((UnitsInStock >= 0)),
CONSTRAINT CK_UnitsOnOrder CHECK ((UnitsOnOrder >= 0)))
/
I have provided SQL code to create all tables and insert all data. There is an error in setting referential integrity: one of the tables is missing references. Read the code and identify the problem. You can either modify create table statement or add alter table statement to include missing references
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