small fixes on mariadDB_create_emptyDB.sql

but probably not yet fully perfect

scripts/mariadDB_create_emptyDB.sql

@@ -263,16 +263,6 @@ CREATE TRIGGER `ins_last_updated_pages` AFTER INSERT ON `snips` FOR EACH ROW UPD
             WHERE pages.id = NEW.page_id
 $$
 DELIMITER ;
-
--- Trigger 
-DELIMITER $$
-CREATE TRIGGER `ins_last_updated_pages` AFTER INSERT ON `books` FOR EACH ROW UPDATE pages
-            SET pages.last_updated = current_timestamp()
-            WHERE pages.id = NEW.page_id
-$$
-DELIMITER ;
-
-
 DELIMITER $$
 CREATE TRIGGER `upd_last_updated_books` AFTER UPDATE ON `pages` FOR EACH ROW UPDATE books
             SET books.last_updated = CURRENT_TIMESTAMP()
@@ -281,8 +271,7 @@ $$
 DELIMITER ;
 DELIMITER $$
 CREATE TRIGGER `upd_last_updated_pages` AFTER UPDATE ON `snips` FOR EACH ROW UPDATE pages
-            SET pages.last_updated = current_timestamp() WHERE pages.id = NEW.page_id,
-            SET NEW.last_updated = current_timestamp()
+            SET pages.last_updated = current_timestamp() WHERE pages.id = NEW.page_id
 $$
 DELIMITER ;
 
@@ -322,4 +311,4 @@ FLUSH PRIVILEGES;
 
 -- Add background type to books table
 ALTER TABLE books ADD background_type_id INT NOT NULL DEFAULT 1,
-ADD FOREIGN KEY (background_type_id) REFERENCES background_types(id);
\ No newline at end of file
+ADD FOREIGN KEY (background_type_id) REFERENCES background_types(id);