Many-to-many table for actions and sourceentry

schema/actions.sql

@@ -36,3 +36,13 @@ CREATE TABLE actions_traits (
   actions_id INTEGER NOT NULL,
   traits_id INTEGER NOT NULL
 );
+
+-- Joining table --
+CREATE TABLE actions_sourceentries (
+   id INTEGER PRIMARY KEY
+  ,actions_id INTEGER NOT NULL
+  ,sourceentry_id INTEGER NOT NULL
+  ,UNIQUE (id, actions_id, soruceentry_id),
+  ,FOREIGN KEY (actions_id) REFERENCES actions(actions_id)
+  ,FOREIGN KEY (sourceentry_id) REFERENCES sourceentry(sourceentry_id)
+);