public static void createAllTables(Database db, boolean ifNotExists) {
        BookDao.createTable(db, ifNotExists);
        ChapterDao.createTable(db, ifNotExists);
        SearchHistoryDao.createTable(db, ifNotExists);
    }
Creates underlying database table using DAOs.
app/src/main/java/com/zhao/myreader/greendao/gen/DaoMaster.java