CREATE TABLE t1(a, b);
INSERT INTO t1 VALUES(1, 2);
PRAGMA journal_mode = DELETE;
INSERT INTO t1 VALUES(3, 4);
PRAGMA journal_mode = WAL;
INSERT INTO t1 VALUES(3, 4)
PRAGMA wal_checkpoint
ATTACH 'test.db2' AS aux;
PRAGMA aux.journal_mode = wal;
CREATE TABLE aux.t2(x, y);
INSERT INTO aux.t2 VALUES('a', 'b');
PRAGMA schema_version = 450;
DETACH aux;
PRAGMA main.journal_mode = wal;
CREATE TABLE t1(a, b);
INSERT INTO t1 VALUES(1, 2);
INSERT INTO t1 VALUES(3, 4);
SELECT * FROM t1;