DELETE FROM sqlite_sequence;
  CREATE TABLE t10a(a INTEGER PRIMARY KEY AUTOINCREMENT, b UNIQUE);
  INSERT INTO t10a VALUES(888,9999);
  CREATE TABLE t10b(x INTEGER PRIMARY KEY AUTOINCREMENT, y UNIQUE);
  INSERT INTO t10b SELECT * FROM t10a;
  SELECT * FROM sqlite_sequence;


  CREATE TABLE t11(a INTEGER PRIMARY KEY AUTOINCREMENT,b UNIQUE);
  INSERT INTO t11(a,b) VALUES(2,3),(5,6),(4,3),(1,2)
    ON CONFLICT(b) DO UPDATE SET a=a+1000;
  SELECT seq FROM sqlite_sequence WHERE name='t11';


  CREATE TABLE t1(i INTEGER PRIMARY KEY AUTOINCREMENT, j);
  CREATE TABLE t2(i INTEGER PRIMARY KEY AUTOINCREMENT, j);
  CREATE TABLE t3(i INTEGER PRIMARY KEY AUTOINCREMENT, j);

  INSERT INTO t1 VALUES(NULL, 1);
  INSERT INTO t2 VALUES(NULL, 2);
  INSERT INTO t3 VALUES(NULL, 3);

  SELECT name FROM sqlite_sequence;


  UPDATE sqlite_sequence SET name=NULL WHERE name='t2';
  INSERT INTO t3 VALUES(NULL, 4);
  DELETE FROM t3;
  INSERT INTO t3 VALUES(NULL, 5);
  SELECT * FROM t3;