Utilisez le mot-clé SQLite default
db.execSQL("CREATE TABLE " + DATABASE_TABLE + " ("
+ KEY_ROWID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ KEY_NAME + " TEXT NOT NULL, "
+ KEY_WORKED + " INTEGER, "
+ KEY_NOTE + " INTEGER DEFAULT 0);");
Ce lien est utile :http://www.sqlite.org/lang_createtable.html