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Tạ Danh Phú Lớp 12_ chương 2_ Bài 7_ Liên kết giữa các bảng

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  • 1. GII THIU GIO NSVTH: T DANH PHLp Tin 5 VT Phng Php Ging Dy 2

2. Chng trnh tin hc 12Chng 1Chng 2 Chng 3Chng 4 H qun tr H c Kin trc Khiv bo nim vCSDL s dMicrosoftliumt cc h c sh CSDL d liuAccess quan h Bi 7:Lin kt gia ccbng2PPGD_Lp 12_Bi 7_T Danh Ph 11/8/2011 3. Mc tiu chng trnh 12 V k nngV kin thc Rn luyn choCung cp cho hc sinhhc sinh bccc kin thc ban u V thi u c k nngv: C thc bo lm vic vi mt H c s d liumt thng tin v h QTCSDL quan(CSDL). s dng my tnh h c th. H qun tr c s d khai thc thngliu (QTCSDL) quan h tin, phc v cng Kin trc h CSDL vic hng ngy.v bo mt h CSDL.3PPGD_Lp 12_Bi 7_T Danh Ph 11/8/2011 4. V kin thc Bit cc khi nim chnh ca Access. Hiu cc chc nng chnh ca Access: To lp bng, thit lp mi lin kt gia cc bng, cp nht v khai thc thng tin. Bit bn i tng c bn: bng, mu hi, biu mu v bo co.Chng 2 H qun tr V k nng CSDL HS thc hin c: Microsoft Khi ng v thot khi Access, to CSDL Access mi, m CSDl c. Chnh sa cu trc CSDL. Thao tc cp nht d liu (ch yu qua biu mu v bng). Thao tc sp xp, truy vn (tm kim v lc) d liu (ch yu qua cc thao tc c s trn bng, mu hi). Kt xut bao co n gin.4 PPGD_Lp 12_Bi 7_T Danh Ph11/8/2011 5. Bit khi nim lin ktgia cc bng, s cnKin thcthit v ngha ca vic to lin kt K nng Bit cch to lin kttrong Access5PPGD_Lp 12_Bi 7_T Danh Ph 11/8/2011 6. Bi 7:Lin kt gia cc bng Kin thc bit Hs bit s dng MS Access c hai ch . Bit thc hin cc thao tc c bn trn bng, bit to kha chnh trn bng. Kin thc trng tm Khi nim v lin kt gia cc bng. K thut to lin kt gia cc bng. iu kin v mc ch ca vic lin kt gia cc bng. im kh Khi no phi to lin kt gia cc bng. La chn mi quan h gia hai bng. Tnh ton vn tham chiu (*). Kh nng bit Bit cc bng c mi lin h vi nhau.6 11/8/2011PPGD_Lp 12_Bi 7_T Danh Ph 7. Bi 7:Lin kt gia cc bng Gi nh Lp hc c nhiu my tnh v ni mng internet, c h thngmng Lan chia s file. GV c my tnh c nhn. Lp hc c my chiu & c bng phn ph. S s lp: 30 hs, chia 3 hs / 1 my Gi s hc sinh bit: Chp hnh mn hnh. Ly file chia s t my ch ca gio vin. Lu file Access. Up ln web.7 PPGD_Lp 12_Bi 7_T Danh Ph 11/8/2011 8. Bi 7:Lin kt gia cc bngH1: Kim tra bic (10p)H2: Hnh thnhkhi nim (15p)H3: Lin kt bng(15p)H4: Cng c (5p)8 PPGD_Lp 12_Bi 7_T Danh Ph11/8/2011 9. H1: Kim tra bi c (10p) Mc ch:n li nhng kin thc c v dn dt vo bi mi Hot ng Yu cu 4 hs ln bng thc hin cc thao tc xc nh kha chnh v nhp 2trng d liu v d cho mi bng. Mt bng Du-Lieu cha cc thng tin s n hng, m khch hng, tn khch hng, m mt hng, s lng, tn mt hng, a ch khch hng, ngy giao hng, n gi. Mt bng Hoa-Don( lu tr cc thng tin: s ha n, m khch hng, m mt hng, s lng, ngy giao hng). Mt bng Khach-Hang( lu tr cc thng tin :m khch hng, tn khch hng, a ch). Mt bng Mat-Hang(lu tr cc thng tin: m mt hng, tn mt hng, n gi).9PPGD_Lp 12_Bi 7_T Danh Ph11/8/2011 10. H1: Kim tra bi c (10p) Mc ch : n li nhng kin thc c v dn dt vo bi mi. Hot ng Hc sinh di lp nhn xt, gio vin nhn xt v cho im. t vn t thng tin khch hng lm sao tm c thng tin sn phm khch hng mua v ha n khch hng mua ta phi lm cch no? lm c iu ny chng ta i vo bi hm nay. Gio vin gii thiu bi.10 PPGD_Lp 12_Bi 7_T Danh Ph 11/8/2011 11. H2: Hnh thnh khi nim (15p) Mc ch : Hnh thnh khi nim v ngha ca lin kt bng (trnh d tha dliu, tng hp d liu t nhiu bng, cp nht ni dung csdl d dnghn). Hot ng: T 4 bng kim tra bi c, cho hs nhn xt mi lin h gia cc bngD kin hs tr li: bng Du-Lieu l tng hp ca 3 bng cn li. Gio vin a ra khi nim lin kt gia cc bng. V gii thchbng v d 4 bng trn. Gio vin tng hp d liu (gio vin kt hp theo cc trng d liu)gio vin ch cho hs thy ngha ca vic to lin kt gia cc bng dliu l trnh d tha d liu, tng hp d liu t nhiu bng v cpnht csdl d dng hn (gii thch da vo vic so snh 2 cch to bng)11 PPGD_Lp 12_Bi 7_T Danh Ph 11/8/2011 12. H3: Lin kt bng (15p) Mc ch : Bit cch to lin kt trong Access Hot ng: GV pht tutorial cho HS. HS c phn b ngi 3 HS / 1 my tnh. HS s h tr nhau, ly file chia s trn my ch (da vo h thng mng LAN). File chia s: l file access to sn cc bng ri rc. HS to lin kt cho cc bng ny. Thi gian 5p. GV kim tra gim st lp , hng dn HS lm theo tutorial. Cc nhm lm bi xong, chp hnh mn hnh lin kt, v gi file ln wordpress. GV nhn xt bi trc tip trn wordpress, show cho c lp xem. 3 nhm lm nhanh nht chnh xc nht s c cng im.12 PPGD_Lp 12_Bi 7_T Danh Ph 11/8/2011 13. H4: Cng c (5p) Mc ch :n li nhng kin thc va hc. Hot ng: Gio vin cho hs lm trc nghim bng violet.13PPGD_Lp 12_Bi 7_T Danh Ph 11/8/2011 14. Kt thc phn gii thiu bi dy---------- CM N THY C V CC BN THEO DI14 11/8/2011