SQLite PRAGMA secure_delete
SQLite secure_delete Pragma 用来控制内容是如何从数据库中删除
PRAGMA secure_delete; PRAGMA secure_delete = [true|false]; PRAGMA database.secure_delete; PRAGMA database.secure_delete = [true|false];
安全删除标志的默认值通常是关闭的,但可以通过 SQLITE_SECURE_DELETE 构建选项来改变的