UML modeling language

Unified Modeling Language (UML) A visual language for specifying, constructing, and documenting the artifacts of systems.

Use case diagram: This is a graphical approximate representation of the user’s interactions with the system.

Diagram of activities: This represents graphic representations of working processes of step-by-step actions and actions with option support

Database diagram: are graphical representations of data relationships (tables)

create table Tantsupaarid (
	IdTantsupaarid int PRIMARY KEY AUTO_INCREMENT,
	NimiTantsupaarid varchar(255)
);
create table ZurriHinna(
	IdHinne int PRIMARY KEY AUTO_INCREMENT,
	Hinne1 int,
	Hinne2 int,
	Hinne3 int,
	FOREIGN KEY (Tantsupaarid) REFERENCES Tantsupaarid (IdTantsupaarid)
);