+ date TEXT PRIMARY KEY,
+ comment TEXT NOT NULL
+);
+CREATE TABLE process_children (
+ parent_id INTEGER NOT NULL,
+ child_id INTEGER NOT NULL,
+ FOREIGN KEY (parent_id) REFERENCES processes(id),
+ FOREIGN KEY (child_id) REFERENCES processes(id)
+);
+CREATE TABLE process_descriptions (
+ process_id INTEGER NOT NULL,
+ timestamp TEXT NOT NULL,
+ description TEXT NOT NULL,
+ PRIMARY KEY (process_id, timestamp),
+ FOREIGN KEY (process_id) REFERENCES processes(id)
+);
+CREATE TABLE process_efforts (
+ process_id INTEGER NOT NULL,
+ timestamp TEXT NOT NULL,
+ effort REAL NOT NULL,
+ PRIMARY KEY (process_id, timestamp),
+ FOREIGN KEY (process_id) REFERENCES processes(id)
+);
+CREATE TABLE process_titles (
+ process_id INTEGER NOT NULL,
+ timestamp TEXT NOT NULL,
+ title TEXT NOT NULL,
+ PRIMARY KEY (process_id, timestamp),
+ FOREIGN KEY (process_id) REFERENCES processes(id)
+);
+CREATE TABLE processes (
+ id INTEGER PRIMARY KEY