Solution

task.sql

@@ -8,10 +8,33 @@ CREATE TABLE Countries (
     PRIMARY KEY (ID)
 ) ENGINE=InnoDB;
 
--- Create a table for caching GeoIP data (Columns: ID, IP Range, CountryID)
+CREATE TABLE GeoIPCache (
+    ID INT AUTO_INCREMENT,
+    IPRange VARCHAR(50),
+    CountryID INT,
+    PRIMARY KEY (ID),
+    FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION
+) ENGINE=Memory;
 
--- Create a table for storing product descriptions for different countries (Columns: ID, CountryID, ProductID, Description )
+CREATE TABLE ProductDescription (
+    ID INT AUTO_INCREMENT,
+    Description VARCHAR(100),
+    ProductID INT,
+    CountryID INT,
+    PRIMARY KEY (ID),
+     FOREIGN KEY(ProductID) REFERENCES Products(ID) ON DELETE SET NULL,
+    FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION
+) ENGINE=MyISAM ;
 
--- Create a table for storing logs. For now we don't need to save them, but we need to implement functionality (Columns: ID, Time, LogRecord)
+CREATE TABLE Logs (
+    ID INT AUTO_INCREMENT,
+    Timestamp TIMESTAMP,
+    Message VARCHAR(300),
+    PRIMARY KEY (ID)
+) ENGINE=Blackhole;
 
--- Create a table for storing reporting data, which will be send to a separate application in the CSV format for analytics purposes (Columns:  Date, ProductName, Orders)
+CREATE TABLE ProductReporting (
+    Date DATE NOT NULL,
+    ProductName VARCHAR(50) NOT NULL,
+    Orders INT NOT NULL
+) ENGINE=CSV;