zoukankan      html  css  js  c++  java
  • Android使用命令行操作数据库

    所有的应用程序本地文件都存放在/data/data/目录下

    C:Users
    icole>adb shell
    * daemon not running. starting it now on port 5039 *
    * daemon started successfully *
    
    N555J:/ $ su    ($只是普通用户,su命令切换到超级用户#)
    
    N555J:/ # cd data/data
    
    N555J:/data/data # ls

    查看Media数据库

    N555J:/data/data # cd com.android.providers.media
    
    N555J:/data/data/com.android.providers.media # ls
    cache code_cache databases files shared_prefs
    N555J:
    /data/data/com.android.providers.media # cd databases N555J:/data/data/com.android.providers.media/databases # ls external.db external.db-wal internal.db-shm external.db-shm internal.db internal.db-wal

    查看某个数据库所有表

    N555J:/data/data/com.android.providers.media/databases # sqlite3 external.db
    SQLite version 3.19.4 2017-08-18 19:28:12
    Enter ".help" for usage hints.
    
    sqlite> .table
    album_art              audio_genres           log
    album_info             audio_genres_map       search
    albums                 audio_genres_map_noid  searchhelpertitle
    android_metadata       audio_meta             thumbnails
    artist_info            audio_playlists        video
    artists                audio_playlists_map    videothumbnails
    artists_albums_map     files
    audio                  images
    
    sqlite>

    查看表结构

    sqlite> pragma table_info(images);
    pragma table_info(images);
    0|_id|INTEGER|0||0
    1|_data|TEXT|0||0
    2|_size|INTEGER|0||0
    3|_display_name|TEXT|0||0
    4|mime_type|TEXT|0||0
    5|title|TEXT|0||0
    6|date_added|INTEGER|0||0
    7|date_modified|INTEGER|0||0
    8|description|TEXT|0||0
    9|picasa_id|TEXT|0||0
    10|isprivate|INTEGER|0||0
    11|latitude|DOUBLE|0||0
    12|longitude|DOUBLE|0||0
    13|datetaken|INTEGER|0||0
    14|orientation|INTEGER|0||0
    15|mini_thumb_magic|INTEGER|0||0
    16|bucket_id|TEXT|0||0
    17|bucket_display_name|TEXT|0||0
    18|width|INTEGER|0||0
    19|height|INTEGER|0||0
    20|is_favorite|INTEGER|0||0
    21|date_favorited|LONG|0||0
    22|datetaken_favorited|LONG|0||0
    23|creator_package|TEXT|0||0

    切换显示模式

    sqlite> .mode line
    
    sqlite> pragma table_info(images);
    pragma table_info(images);
           cid = 0
          name = _id
          type = INTEGER
       notnull = 0
    dflt_value =
            pk = 0
    
           cid = 1
          name = _data
          type = TEXT
       notnull = 0
    dflt_value =
            pk = 0
    
           cid = 2
          name = _size
          type = INTEGER
       notnull = 0
    dflt_value =
            pk = 0

    查询表中的数据

    sqlite> select * from images;
    
                    _id = 1
                  _data = /storage/emulated/0/Pictures/Screenshots/Screenshot_2018-05-10-10-27-04.png
                  _size = 1987030
          _display_name = Screenshot_2018-05-10-10-27-04.png
              mime_type = image/png
                  title = Screenshot_2018-05-10-10-27-04.png
             date_added = 1525919227
          date_modified = 1525919227
            description =
              picasa_id =
              isprivate =
               latitude =
              longitude =
              datetaken = 1525919224704
            orientation =
       mini_thumb_magic =
              bucket_id = 1028075469
    bucket_display_name = Screenshots
                  width = 1080
                 height = 2160
            is_favorite = 0
         date_favorited = 1525919227
    datetaken_favorited = 1525919227098
        creator_package =

    查看数据库所有表的建表语句(每个SQLite数据库中都还有一个隐藏的sqlite_master表)

    sqlite> select * from sqlite_master;
        type = table
        name = android_metadata
    tbl_name = android_metadata
    rootpage = 3
         sql = CREATE TABLE android_metadata (locale TEXT)
    
        type = table
        name = thumbnails
    tbl_name = thumbnails
    rootpage = 6
         sql = CREATE TABLE thumbnails (_id INTEGER PRIMARY KEY,_data TEXT,image_id INTEGER,kind INTEGER,width INTEGER,height INTEGER)
    
        type = index
        name = image_id_index
    tbl_name = thumbnails
    rootpage = 7
         sql = CREATE INDEX image_id_index on thumbnails(image_id)
    
        type = table
        name = artists
    tbl_name = artists
    rootpage = 10
         sql = CREATE TABLE artists (artist_id INTEGER PRIMARY KEY,artist_key TEXT NOT NULL UNIQUE,artist TEXT NOT NULL)
  • 相关阅读:
    题库重整
    计算几何练习题――直线交点
    An Easy Task
    简单排序
    IBM Minus One
    Binary Numbers
    去掉VS2010代码中文注释的红色下划线
    【转】Windows socket基础
    【STL】vector的insert方法详解
    window7下 cocos2dx android交叉编译环境部署小结
  • 原文地址:https://www.cnblogs.com/nicoleTeng/p/9023167.html
Copyright © 2011-2022 走看看