text: DROP TABLE IF EXISTS COURSES;
  
  CREATE TABLE COURSES (
    ID            BIGINT(11)      NOT NULL AUTO_INCREMENT,
    TITLE   		VARCHAR(250)  	NOT NULL,
    LEVEL			VARCHAR(80)  	NOT NULL,
    HOURS		   	INT(3)  		NULL,
    TEACHER		VARCHAR(250)  	NOT NULL,
    STATE		 	INT(1)  		NOT NULL,
    PRIMARY KEY (ID),
    UNIQUE KEY (TITLE)
  );
  
  INSERT INTO COURSES (TITLE, LEVEL, HOURS, TEACHER, STATE) VALUES('JDBC', 'Intermediate', 25, 'John Doe', 1);
  INSERT INTO COURSES (TITLE, LEVEL, HOURS, TEACHER, STATE) VALUES('JPA', 'Basic',10, 'John Doe', 1);
  INSERT INTO COURSES (TITLE, LEVEL, HOURS, TEACHER, STATE) VALUES('Opentracing','Basic', 20, 'John Doe', 1);
  INSERT INTO COURSES (TITLE, LEVEL, HOURS, TEACHER, STATE) VALUES('Jaeger','Intermediate', 15, 'John Doe', 0);
  INSERT INTO COURSES (TITLE, LEVEL, HOURS, TEACHER, STATE) VALUES('Haystack', 'Advanced', 25, 'John Doe', 1);
  