text: DROP TABLE IF EXISTS Access;
  CREATE TABLE Access(
  	ID_ACCESS INT IDENTITY(1,1),
  	NM_ACCESS VARCHAR(15) NOT NULL
  	PRIMARY KEY (ID_ACCESS)
  );
  
  DROP TABLE IF EXISTS Users;
  CREATE TABLE USERS (
  	ID_USER INT IDENTITY(1,1),
  	NM_USER VARCHAR(50) NOT NULL,
  	PS_USER VARCHAR(15) NOT NULL,
  	ID_ACCESS INT NOT NULL,
  	ACTIVE INT DEFAULT 0,
  	PRIMARY KEY (ID_USER)
  );
  
  ALTER TABLE USERS
  DROP CONSTRAINT IF EXISTS Fk_AccessUser;
  
  ALTER TABLE USERS
  ADD CONSTRAINT FK_AccessUser
  FOREIGN KEY (ID_ACCESS) REFERENCES Access(ID_ACCESS);
  
  
  INSERT INTO Access VALUES ('Administrator');
  INSERT INTO Access VALUES ('Employee');
  
  INSERT INTO USERS VALUES ('Victor', '1234',1, 1);
  INSERT INTO USERS VALUES ('Barros', '4321',1, 2);
  
  DROP TABLE IF EXISTS CATEGORY;
  CREATE TABLE CATEGORY (
  	ID_CATEGORY INT IDENTITY (1,1),
  	DS_CATEGORY VARCHAR(50),
  	PRIMARY KEY (ID_CATEGORY)
  );
  
  DROP TABLE IF EXISTS PRODUCT;
  CREATE TABLE PRODUCT (
  	ID_PRODUCT INT IDENTITY (1,1),
  	DS_PRODUCT VARCHAR(50) NOT NULL,
  	ID_CATEGORY INT,
  	ACTIVE INT DEFAULT 0,
  	PRIMARY KEY (ID_PRODUCT)
  );
  
  ALTER TABLE PRODUCT
  DROP CONSTRAINT IF EXISTS Fk_CategoryProduct;
  
  ALTER TABLE PRODUCT
  ADD CONSTRAINT FK_CategoryProduct
  FOREIGN KEY (ID_CATEGORY) REFERENCES Category(ID_CATEGORY);
  
  INSERT INTO CATEGORY VALUES ('Drinks'),('Foods'),('Cleaning');
  INSERT INTO PRODUCT VALUES ('Beer',1,1),('Juice',1,1),('Sandwich',2,1),('Fruits',2,1),('Bleach',3,1),('Soap',3,1);