If you have mistakenly removed an important collection, you can re-create by going to Tools | SQL Window, and entering one of the following into the query box (at the top). Just overwrite what's there now, paste in the desired command, and click EXECUTE.
Code:
INSERT INTO COLL VALUES (3, 0, 'Overflow', 0, 0, 300, 8, 800, 1, True,
False, False, -2, False, False, False, 1, '2006-03-27 23:45:20.694', 0, NULL);
Code:
INSERT INTO COLL VALUES (1, 0, 'InBox', 0, 0, 100, 7, 200, 1, True, False, True, -2, False, False, False, 1, '2006-03-27 23:45:20.647', 222, NULL);
Code:
INSERT INTO COLL VALUES (2, 0, 'Safe', 2, 0, 200, 9, 0, 1, False, False, False, -2, False, False, False, 1, '2006-03-27 23:45:20.679', 19, NULL);