36533463 Quan Ly Diem Truong Hoc
Transcript of 36533463 Quan Ly Diem Truong Hoc
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Phn 1Kho st h thng
1.1Kho st:
Qun l im hc sinh PTTH l mt chng trnh c xy dng nhm p ngnhng i hi t ra ca qu trnh qun l nh nhp im,tm kim,thng k,in bo comt cch nhanh chng v thun tin,chnh xc
Hin nay a s cc trng PTTH qun l im ca hc sinh theo hnh thc ghichp,lu tr vo s sch hoc excel,vic ny gy kh khn v sai st khi tm kim dliu.Qun l nhp im,xut im bng ghi chp th cng,qun l thng tin v hc sinh cng
bng ghi chp v kim k,d dn n kh kim tra,qun l,tn nhiu thi gian v cng scVi quy nh mi xt im 3 nm hc,vic qun l im hin nay l ht sc quan
trng,c cu trn cn phi iu chnh li,thay b my cng knh v th cng bng phngtin qun l im mi,hiu qu v n gin hn
1.2.Phn tch:
Nhim v c th ca tng b phn:a/ Trng:
-Qun l thng tin hc sinh.-Phn ban cho hc sinh mi vo da vo im thi tt nghip-Sp xp lp cho cc hc sinh.-Phn cng cng tc ging dy cho cho gio vin, v phn cng gio vin lm giovin ch nhim.-Cung cp hc b cho hc sinh, khi hc sinh ra trng.
b/Gio vin :
-C th lm gio vin ch nhim cho mt lp hoc ch l gio vin b mn (mtngi c th m trch c 2 nhim v 2 lp khc nhau).-Ging dy mt mn hc cho mt s lp ( trong bao gm cc lp chuyn ).-Gio vin cung cp im cc mn hc ca cc hc sinh cho gio vin ch nhim,t gio vin ch nhim xc nh im trung bnh cui hc k ca tng mn.-Gio vin ch nhim xp loi hnh kim cho tng hc sinh.
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Qun l im trng PTTH
c/Hc sinh :-Hc sinh mi trng tuyn s c xp vo cc lp khi 10 v c sp xp vocc ban .-Hc sinh c th sang nm s tng ln mt lp.
Trng hp hc sinh lu ban hoc chuyn lp th s c sp xp li
1.3 M t h thng:
Mt s gio dc o to cn qun l hc tp ca tt c hc sinh trong qun , huyn ,thnh ph ca mnh .Vic qun l c phn cp v cho cc trng hc . Ngi ta nhn bitmi trng qua tn, ch cng mt s in thoi v cho n gin,ngi ta gn cho mitrng mt m s gi l m trng hc.
Ti mt trng,ngi ta quan tm n nhng thng tin c bn ca tng hc sinh : htn,gii tnh,ngy sinh.Ngoi ra ngi ta cng cn bit mi hc sinh thuc dn tc no,tn
gio g,ang sng ti x,huyn no,hc sinh trc thuc ban no ( hc sinh c php chuynban sau khi nm hc kt thc nu cm thy khng ph hp vi ban chn) . Cng nh ivi cc trng, cho n gin ngi ta gn cho mi hc sinh mt m s gi l m s hcsinh. M s ny l duy nht i vi tng hc sinh v khng thay i trong sut qu trnhhc tp ti trng.
Vo u nm hc,sau khi thi tuyn,cc trng s xp cc hc sinh trng tuyn chotng lp, l nhng lp mi u cp hc (khi 10). i vi nhng lp c th ni chungsang nm hc mi hc sinh tng ln mt lp (chng hn nm 2004 lp 10A7 th nm 2005tr thnh 11A7), trong trng hp hc sinh b lu ban hoc chuyn lp th phi c s spxp li. Hc sinh xp hc lp no th trong sut nm hc khng c php i li.Trnghp i vi cc lp chuyn ,thng qua im s thi cp trng s c c i hc v thi cccuc thi cp cao hn . Nh s sp xp ny m ban gim hiu nh trng c th bit s stng lp l bao nhiu.
Vo u hc k mi nm hc nh trng phn cng ging dy tng mn v phn cnggio vin lm ch nhim cho tng lp.Gio vin ch nhim ca mt lp phi thuc trong sgio vin ging dy cho lp ti hc k .
Gio vin dy mn g cho lp th phi chu trch nhim v im s mn hc .Trongmt lp, mi hc k,mi mn hc ca mt hc sinh u c ba loi im: im h s 1(kim tra 15 pht hoc kim tra ming), im h s 2 (im kim tra mt tit) v im h s
3 (im thi cui hc k), trn c s xc nh im trung bnh cui hc k ca mn .Cui hc k gio vin ch nhim tp hp im tt c cc mn do cc gio vin b
mn cung cp lp bng im tng hp.Khi hon tt im tt c cc mn th xc nh cim trung bnh chung cui hc k.
V hnh kim , gio vin ch nhim lp ti hc k c trch nhim theo di , nhgi v xp loi cho tng hc sinh.
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Qun l im trng PTTH
Da vo kt qu hc tp v hnh kim hai hc k m xp loi chung ton nm hccho tng hc sinh, im trung bnh hc tp cui nm l im trung bnh ca hai hc k.
Khi hc sinh ra trng nh trng c trch nhim cung cp hc b (kt qu hc tp vhnh kim chi tit trong sut qu trnh hc tp ti nh trng).
Phn 2M hnh thc th lin kt ( ERD )
2.1 Cc thc th , thuc tnh v kha :
Thc th TRUONG
Tn thc th : TrngKha thc th : MA_TRUONG
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Din gii : Thc th TRUONG c cc thuc tnh MA_TR, TEN_TR, DCHI_TR,SDT_TR.Th hin ca thc th TRUONG l thng tin chi tit v trng.
Thc th HOCSINH
Tn thc th : Hc sinhKha thc th : MA_HSDin gii : Thc th HOC_SINH c cc thuc tnh MA_HS, HOTEN_HS,GIOITINH_HS, NGAYSINH_HS, DANTOC_HS, TONGIAO_HS, XA, HUYEN,BAN .Th hin ca thc th HOC_SINH l thng tin chi tit v hc sinh ca trng.
Thc th PHUHUYNH
Tn thc th : ph huynhKha thc th : MA_PHDin gii : thc th PHUHUYNH c cc thuc tnh MA_PH , TEN_PH , SDT_PH ,DIACHI_PH . Th hin ca thc th PHUHUYNH l thng tin chi tit v ph huynhhc sinh
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Thc th : HK_NK
Tn thc th : hc k , nin khaKha thc th : HK_NKDin gii : thc th HK_NK c thuc tnh HK_NK v cng l kha ca thc th.Th
hin ca thc th HK_NK l thng tin v kha hc cc nm ca nh trng.
Thc th : GIAO_VIEN
Tn thc th : Gio vinKha thc th : MA_GVDin gii : Thc th GIAO_VIEN c cc thuc tnh MA_GV, TEN-GV, PHAI_GV,
DCHI_GV. Th hin ca thc th GIAO_VIEN l thng tin chi tit v cc gio vin catrng.
Thc th LOP
Tn thc th : lpKha thc th : MA_LOPDin gii : th hin tn mt lp hc
Thc th HANH_KIEM
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Qun l im trng PTTH
Tn thc th : hnh kimKha thc th : MA_HKDin gii : Thc th HANH_KIEM c thuc tnh LOAI_HK.Th hin ca thc thHANH_KIEM l tn mt loi hnh kim ca mi hc sinh trong trng.
Thc th MON
Tn thc th : mnKha thc th : TEN_MONDin gii : th hin thc th mn l tn mt mn trong mt trng hc
2.2 Cc mi kt hp v bng s :
Mi kt hp QUAN_LY :
o Tn mi kt hp : Qun l.
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Qun l im trng PTTH
o Cc thc th tham gia : TRUONG, HOC_SINH.o Din gii : Mt hc sinh c qun l bi mt trng, nhng mt trng c th
qun l nhiu hc sinh. Mi kt hp ny s bin mt khi chuyn sang m hnhquan h .
Mi kt hp CO :
o Tn mi kt hp : C.o Cc thc th tham gia : PHU_HUYNH, HOC_SINH.o Din gii : Mt hc sinh c mt hoc hai ph huynh, nhng mt ph huynh ch c
1 hc sinh.Ph huynh hng hc k s dc cung cp bng im ti a ch thngtr
Mi kt hp THUOC :
o Tn mi kt hp : Thuc.
o Cc thc th tham gia : HOC_SINH, HK_NK.o Thuc tnh : TB_HK.
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Qun l im trng PTTH
o Din gii : Mt hc sinh c th thuc nhiu hc k nin kha khc nhau. Mt hcnin kha s c nhiu hcsinh.. Mt hc sinh mt hc k s c mt im trung
bnh hc k. Mi kt hp HOC :
o Tn mi kt hp : Hc.
o Cc thc th tham gia : LOP, THUOC.o Din gii : Mt hc sinh thuc mt hc k nin kha ch hc ti mt lp duy nht.
Mt lp s c nhiu hc sinh v nhiu hc k nin kha. Mi kt hp ny s binmt khi chuyn sang m hnh quan h.
Mi kt hp CO_HK:
o Tn mi kt hp : C hnh kim.o Cc thc th tham gia : HANH_KIEM, THUOC.o Din gii : Mt hc sinh mt hc k nin kha s c mt loi hnh kim. Mt loi
hnh kim c th nh gi cho nhiu hc sinh. Mi kt hp ny s bin mt khichuyn sang m hnh MLD.
Mi kt hp HOC_MON :
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Qun l im trng PTTH
o Tn mi kt hp : Hc mn.o Cc thc th tham gia : MON, THUOC.o Thuc tnh ca mi kt hp: DIEM_HS1, DIEM_HS2, DIEM_HS3, TB_MON.Din gii : Mt hc sinh mt hc k nin kha c th hc nhiu mn. Mt mn chc bi nhiu hc sinh nhiu hc k nin kha. Mi mn hc s c ba loi im :h s 1, h s 2, h s 3 v c mt im trung bnh
Mi kt hp HOC_TAI :
o Tn mi kt hp : Hc ti.o Cc thc th tham gia : LOP, HK_NK.o Din gii: Mt lp ch hc ti hai hc k ca mt nin kha. Mt hc k nin kha
c th c nhiu lp.
Mi kt hp LA_GVCN :
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Qun l im trng PTTH
o Tn mi kt hp : L gio vin ch nhim.o Cc thc th tham gia : GIAO_VIEN, HOC_TAI.o Din gii : Mt lp mt hc k nin kha ch c duy nht mt gio vin ch
nhim. Mt gio vin c th l gio vin ch nhim ca nhiu lp nhiu hc knin kha khc nhau. Mi kt hp ny s bin mt khi chuyn sang m hnh quanh.
Mi kt hp CO_MON :
o Tn mi kt hp : C mn.o Cc thc th tham gia : HOC_TAI, MON.o Din gii : Mt lp hc ti mt hc k nin kha c th c nhiu mn hc. Mt
mn hc c th c hc ti nhiu lp nhiu hc k nin kha khc nhau.
Mi kt hp DAY :
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Qun l im trng PTTH
o Tn mi kt hp : Dy.o Cc thc th tham gia : CO_MON, GIAO_VIEN.o Din gii : Mt mn hc ca mt lp mt hc k nin kha no ch do duy
nht mt gio vin dy. Mt gio vin c th dy nhiu mn cho nhiu lp nhiu
hc k nin kha khc nhau. Mi kt hp ny s bin mt khi chuyn sang m hnhMLD.
2.3. Bng t in d liu :
STT Thuc tnh Din gii Thc th/mi kt hp1 MA_TR M trng TRUONG2 TEN_TR Tn trng TRUONG3 DCHI_TR a ch ca trng TRUONG4 SDT_TR S in thoi ca
trngTRUONG
5 MA_HS M hc sinh HOC_SINH6 HOTEN_HS H tn hc sinh HOC_SINH7 GIOITINH_HS Gii tnh hc sinh HOC_SINH8 NGAYSINH_HS Ngy sinh hc sinh HOC_SINH9 DANTOC_HS Dn tc ca hc sinh HOC_SINH10 TONGIAO_HS Tn gio ca hc sinh HOC_SINH11 XA Tn x ca hc sinh HOC_SINH12 HUYEN Tn huyn ca hc sinh HOC_SINH
13 LOAI_HK Hnh kim ca hc sinh HANH_KIEM14 TEN_LOP Tn lp LOP15 HK_NK Hc k - nin kha HK_NK 16 DIEM_HS1 im h s 1 HOC_MON17 DIEM_HS2 im h s 2 HOC_MON18 DIEM_HS3 im h s 3 HOC_MON
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Qun l im trng PTTH
19 TB_MON im trung bnh mn HOC_MON20 MA_GV M gio vin GIAO_VIEN21 TEN_GV Tn gio vin GIAO_VIEN22 PHAI_GV Phi gio vin GIAO_VIEN
23 DCHI_GV a ch gio vin GIAO_VIEN24 TEN_MON Tn mn MON25 TB_HK im trung bnh hc k THUOC26 MA_PH M ph huynh PHU_HUYNH27 TEN_PH Tn ph huynh PHU_HUYNH28 SDT_PH S in thoi ph huynh PHU_HUYNH29 DIACHI_PH a ch ph huynh PHU_HUYNH
2.4M hnh ERD tng qut :
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Qun l im trng PTTH
TRUONG
PK MA_TRUONG
SDT_TRUONG
TEN_TRUONG
DC_TRUONG
HOC_SINH
P K MA_ HS
HOTEN_HS
GIOITINH_HS
NGAYSINH
DANTOC
TONGIAO
XA
HUYEN
BAN
QUAN_LY
HANH_KIEM
PK LOAI_HK
LOP
PK MA_LOP
TEN_LOP
THUOC
TB_HK
HOC CO_HK
HOC_TAI
HK_NK
PK H K_ NKHOC_MON
DIEM_HS1
DIEM_HS2
DIEM_HS3TB_MON
MON
PK TEN_MON
LA_GVCN
GIAO _VIEN
PK DIACHI_GV
MA_GV
TEN_GVPHAI_GV
DAY CO_MON
PHU_HUYNH
PK DIACHI_PH
MA_PH
TEN_PH
SDT_PH
CO
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Qun l im trng PTTH
PHN 3M Hnh Quan H
p dng cc quy tc chuyn t m hnh ERD sang m hnh quan h ta c :
1. THUOC (MA_HS, HK_NK, LOAI_HK, TEN_LOP, TB_HK)
2. HOC_TAI (TEN_LOP, HK_NK, MA_GV)
3. CO_MON (TEN_LOP, HK_NK, TEN_MON, MA_GV)
4. HOC_MON (MA_HS, HK_NK, TEN_MON, DIEM_HS1, DIEM_HS2,DIEM_HS3, TB_MON)
5. TRUONG ( MA_TR, TEN_TR, DCHI_TR, SDT_TR )
6. HOC_SINH ( MA_HS, HOTEN_HS, GIOITINH_HS, NGAYSINH_HS,DANTOC_HS, TONGIAO_HS, XA, HUYEN, MA_TR , BAN )
7. GIAO_VIEN ( MA_GV, TEN_GV, PHAI_GV, DCHI_GV )
8. PHU_HUYNH ( MA_PH , TEN_PH , DIACHI_PH , SDT_PH )
Din gii : Quan h THUOC : xc nh hc sinh hc hc k nin kha no, c loi hnh kim
g, thuc lp no v c im trung bnh hc k l bao nhiu. Quan h HOC_TAI : xc nh mt lp hc hc k - nin kha no, do gio vin no
lm gio vin ch nhim. Quan h CO_MON : xc nh mt lp mt hc k nin kha c hc nhng mn g
do gio vin no dy. Quan h HOC_MON : xc nh hc sinh mt hc k nin kha no c hc
nhng mn g, im h s 1, h s 2, h s 3 v im trung bnh ca mn Quan h TRUONG : mi trng c mt m trng phn bit, mt tn, a ch v
mt s in thoi lin lc.
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Qun l im trng PTTH
Quan h HOC_SINH : mi hc sinh s c mt m hc sinh phn bit, ngoi ra, mthc sinh cn c tn, gii tnh, ngy sinh, dn tc v tn x, huyn m hc sinh angsng. Mt hc sinh c th c tn gio hoc khng c tn gio.
Quan h GIAO_VIEN : mi gio vin c mt m gio vin phn bit, mt tn gio
vin, phi v a ch lin lc. Quan h PHU_HUYNH : mi ph huynh c cung cp m s khc nhau , km theo l cc thng tin nh a ch , s in thoi , tn ph huynh .