show users in presence list based on trt array

queries/20191002_uktt.sql

@@ -0,0 +1,17 @@
+CREATE TABLE `user_kid_training_type` (
+  `uktt_id` INT NOT NULL AUTO_INCREMENT,
+  `uktt_user_kid_uk_id` INT NOT NULL,
+  `uktt_training_type_tt_id` INT NOT NULL,
+  PRIMARY KEY (`uktt_id`),
+  INDEX `fk_user_kid_training_type_1_idx` (`uktt_user_kid_uk_id` ASC),
+  INDEX `fk_user_kid_training_type_2_idx` (`uktt_training_type_tt_id` ASC),
+  CONSTRAINT `fk_user_kid_training_type_1`
+    FOREIGN KEY (`uktt_user_kid_uk_id`)
+    REFERENCES `user_kid` (`uk_id`)
+    ON DELETE CASCADE
+    ON UPDATE CASCADE,
+  CONSTRAINT `fk_user_kid_training_type_2`
+    FOREIGN KEY (`uktt_training_type_tt_id`)
+    REFERENCES `training_type` (`trt_id`)
+    ON DELETE CASCADE
+    ON UPDATE CASCADE);