Organise ddl statements into separate files per create table (#251)

web/backend/Database/Database.Migrations/scripts/01-schema/09-City.sql

@@ -0,0 +1,22 @@
+CREATE TABLE City
+(
+    CityID UNIQUEIDENTIFIER
+        CONSTRAINT DF_CityID DEFAULT NEWID(),
+
+    CityName NVARCHAR(100) NOT NULL,
+
+    StateProvinceID UNIQUEIDENTIFIER NOT NULL,
+
+    RowVersion ROWVERSION,
+
+    CONSTRAINT PK_City
+        PRIMARY KEY (CityID),
+
+    CONSTRAINT FK_City_StateProvince
+        FOREIGN KEY (StateProvinceID)
+            REFERENCES StateProvince (StateProvinceID)
+);
+
+CREATE
+NONCLUSTERED INDEX IX_City_StateProvince
+    ON City(StateProvinceID);