学到数据库的关系代数,一脸懵逼啊 - V2EX
yipingmaotai

学到数据库的关系代数,一脸懵逼啊

  •  
  •   yipingmaotai Aug 10, 2017 1881 views
    This topic created in 3196 days ago, the information mentioned may be changed or developed.

    学习数据库关系代数。求热心老大分享经验,哪儿能找到相关讲解视频或者资料,通俗易懂的那种。

    抱拳了老大!

    6 replies    2017-08-11 12:54:03 +08:00
    mingweili0x
        1
    mingweili0x  
       Aug 11, 2017   1
    之前学的我也是一脸懵逼,搞不懂,感觉实践上根本用不上, 理论性太太太强
    mingweili0x
        2
    mingweili0x  
       Aug 11, 2017   1
    我倒是有英文的课件,之前上课时用的,不过不是通俗易懂的那张,很抽象
    vegito2002
        3
    vegito2002  
       Aug 11, 2017   1
    上课的时候的课本感觉讲的还挺好的, 不过也是英文的.
    baelish
        4
    baelish  
       Aug 11, 2017   1
    对于这个,
    先实践, 后理论, 你就会发现"原来如此"。
    先理论, 后实践, 你就会感觉"眼高手低"。
    yipingmaotai
        5
    yipingmaotai  
    OP
       Aug 11, 2017
    @mingweili0x
    @vegito2002
    @baelish
    好吧,我再回去看看书
    tcpsec
        6
    tcpsec  
       Aug 11, 2017   1
    不难 挺简单的 你需要画图
    About     Help     Advertise     Blog     API     FAQ     Solana     6148 Online   Highest 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 52ms UTC 02:13 PVG 10:13 LAX 19:13 JFK 22:13
    Do have faith in what you're doing.
    ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86