trigger trg_insert_users_detail fixed

android/Pictogram/app/src/main/res/raw/pcbdb_create.sql

@@ -196,7 +196,7 @@ END
 CREATE TRIGGER trg_insert_users_detail
 INSTEAD OF INSERT ON users_detail
 FOR EACH ROW
-WHEN NEW.pwd_stu NOT IS NULL
+WHEN NEW.pwd_stu  IS NOT NULL
 BEGIN
  INSERT OR REPLACE INTO student VALUES (NEW.id_stu, NEW.nickname_stu, NEW.pwd_stu, NEW.name_stu, NEW.surname_stu, NEW.url_img_stu, NEW.gender_stu, NEW.lang_stu, NEW.attributes_stu);
  INSERT OR REPLACE INTO supervisor VALUES (NEW.id_sup, NEW.email_sup, NEW.pwd_sup, NEW.name_sup, NEW.surname_sup, NEW.url_img_sup, NEW.gender_sup, NEW.lang_sup, NEW.tts_engine_sup);
@@ -204,7 +204,7 @@ BEGIN
 END
 ;--
 
-CREATE TRIGGER trg_insert_users_detail_knonwstudent
+CREATE TRIGGER trg_insert_users_detail_as_sup
 INSTEAD OF INSERT ON users_detail
 FOR EACH ROW
 WHEN NEW.pwd_stu IS NULL