E-R模型图
![教务管理系统er图共2页](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A7349798F815CEB1C9F56F1ACBD36BE1DC981BE14FB301D00753DB637407A9E1B55DFDD4D512814D57A94194648D8A7C29779405C443676A448DC7D1E3DED4B5465ACB172BCC5219BD7A05D00766E9B5CFF)
教务管理系统er图共2页
图片尺寸920x1302![网上书店系统前台管理的e-r图](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E831081318B61964D8D88E25A8981CD6875C903C52D72A81D90611F15A5AE1FD48C24B1EFBC2B85251C39A65ADF870F47EDB373CF219B321E39BBFAA88FE9BCB0F2354A81C47A98E4D19845CFDE279A002D)
网上书店系统前台管理的e-r图
图片尺寸996x743![4. 员工信息e-r](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A733A89144093F2C3760AFDC3459EAACCEEE4E07B2CA818EF77174BDB50047F8114C231B403EEC93F5E83254E5000C3CB4D3D62346920E6A45741738D28B6804D451A017433F8195F093FD7C4A34CF2E132)
4. 员工信息e-r
图片尺寸672x473![对应的关系模型:用户:(学号,姓名,出生日期,性别,本人电话,家长电话)](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E97F652B6CA3E429F64B0683B662E429313C8441D32D73D2C270C06E8626657EC4ABA11BEB99BD0B16F23FB8888EE41DD6ACEA2F44B1D1B97293E75A2D9235EC18BBA6A5BBEBCC4255D31F17127AD29B31)
对应的关系模型:用户:(学号,姓名,出生日期,性别,本人电话,家长电话)
图片尺寸1524x838![2021年度十大热门er图实体关系图](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83F685A94F7291D90046C1EA654C6E8277E5E51B2D88CEACF108FD1D8354AC689B4FBD3AB2173BA4DC086F7C505D1F8D4C626355C17923C5F019C37EC239B73A03DE5F8CCAEB93807D35F574A66EEF96D3)
2021年度十大热门er图实体关系图
图片尺寸1274x748![图书管理系统e-r模型图ppt](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73643A8D01D01CFBC4B21EC9414B2F31BC717A74BD58F5747C77C273BA72C0EFD3CDCFA51B958D0DFC27EB929D0F31A078B1B635D403D03A80582A8B7AA2972E3BA2918931A1F185AD5D93858565B2A049)
图书管理系统e-r模型图ppt
图片尺寸1080x810![图书馆借阅的er图](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E99EC97AF0CC22068BF8B8C696364405C24477313546FDBC35630DCDC727AAF6DB2755EDDDFF86AAD50FD56C139BA9218285F56C9F4DC8DB97AA81A05EC2D79B3FAC113CFAFD791A2D0126971720C9D906)
图书馆借阅的er图
图片尺寸1152x830![网上商城e-r图-在线免费绘图工具,在线er模型设计,云架构图设计,思维](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9AB30B4DC8AF057AFE63DB8D54F314E160C9FF3A6ABD3CC33867716382C22A21A5FA26186B1DB5FBF5868295537D69A75B6F8FE46D89B6975DA6F741AB2F0D10650FC72C4652D8003CA7CE912D5C857CA)
网上商城e-r图-在线免费绘图工具,在线er模型设计,云架构图设计,思维
图片尺寸920x668![mysql利用er模型的数据库概念设计附视频](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73ACB6AF64DC234FBD0599CA4931192CF3667FD2ABB060E7D08FB72649D12C789E02CFA2191C2AA6A1A584B1784762650C970DDD140081F572219F00AFC26B7B3620B7E4FB5A4AA670CD4F6368F2CAF755)
mysql利用er模型的数据库概念设计附视频
图片尺寸1080x643![er图作图实例](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83F8B4E49EF9DA630BF096EC0846915FC109BB0A00F2C9D1A97B2F96880D46AC8B111398D4D1E9BA0CBDA63B99EFA5D5A06C805454A2C3BECFCB96CAA0DE07D7E0A9E753645086BB13303647CEE0BA0902)
er图作图实例
图片尺寸1551x1006![对应的关系模型:用户 (学号,姓名,出生日期,性别,本人电话,家长电话)](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E8399B6CFD5941B4BB3A2B0E9EF0495336ACBF3B7D1AF6F475C6F9EFD633DF95FADC0E63D5AB9D56CF8464C0A8DEE94F248344BE618294495610135B99CED0D1CE849CAD053A059E7A271F7C4581424C4E1)
对应的关系模型:用户 (学号,姓名,出生日期,性别,本人电话,家长电话)
图片尺寸1152x648![学校教学管理信息系统的e-r模型](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A734A8F7B04C57DDD62DFB54666BC55962AFE2B579B2932784AB8F66546759CE0B24DD89471A1C3E0F364954712937BDF4A01C8E0E376DE20D7F7DC6D3C06CEF6F2770CC8E731C4C656FBF4C01A6D584AA8)
学校教学管理信息系统的e-r模型
图片尺寸602x824![er图转化为关系模型](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9EAC874E0E398439D5D64F270EA13DB27EF967D447D9FEE501A1548B51BED0B5030EE50F3DCB5471C1385C1D8DED20064E5C0556A2DE418D47E43329BBA76A72367358A657E6B11D9D3F08F15EA918195)
er图转化为关系模型
图片尺寸1305x1126![实体的er关系(最好有er图),建立数据库时应建立那些表格](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E99123DC771BE218DED2B4A71E55C56FF8CAD9495B61350877BB93E7CC3EC6AC2CC67AF720C5554D8297961AB8C77B8FE302F638D54F9275FEC528EB169B78DDA49FB30116A3F10FF9D37734A09FAA4E0E)
实体的er关系(最好有er图),建立数据库时应建立那些表格
图片尺寸1030x519![考核项目-项目管理系统e-r图](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9ED5FD4379A815755B7717840242F91BA89757BFF2CE94B932B2BEDBECCF436642202523BE469DA51384928C37FDD5FCB845150D97D4F8687409A6B84C1259C5EBEBDFA4C55E7683A41453D89AD628013)
考核项目-项目管理系统e-r图
图片尺寸1085x1266![图5.1 教学管理e-r图](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E836B5D0F70F9AED118EB468DA1B1BA2A062ABCD17FA8B16FBFD783F099FCE7950A19AC91448B29D42CCF32E7AE80235C72044045BA73E678A6BA275044F195F3A9898B4043251EEE582DA50D481B7DBA57)
图5.1 教学管理e-r图
图片尺寸609x354![数据库e-r图求帮忙分析下,有图更好](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E833599A2A5192EB308C36A5E0EC421F76C5B9EDF93FF1BDE0684B6937A9A2D68F2750FE6374C5CE28C612333F5E85C245439B8D8E14E18043073008A74452E37811567912450F8E5738DE0B3BD3C4CE979)
数据库e-r图求帮忙分析下,有图更好
图片尺寸1200x900![2,将e—r图模型转化为数据表,如下图](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83203419B59EC74BE161DAB96D5270259120376A8E09249903DAE8DB4CDE010366FA009F3A7CBD10BF89976C015B78B166AA2608FC39E1EA350CE589F2DC15E31B6BDEB1D7FAE804A5C4C5B46DC9D46146)
2,将e—r图模型转化为数据表,如下图
图片尺寸771x553![数据库学生成绩管理系统er图整理版](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E838CFCCC60B7EB8BF36D063275DA06EFFFF54ECFFBC273D19D926521F9F57560AB34B122D9B34A18100EB9A52EDA00C0DE5C1351FEF51CA385BC2BB102CA191AF887CA3242B5EC2B9D0817FD024CBF1CEF)
数据库学生成绩管理系统er图整理版
图片尺寸800x1132![「数据库」e-r模型转换为关系模型](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9FFA76492D4EDD072BB30C6DA724DBE14C7FC11A0C06E38AAD4B9452B2F81238E8F29D874FC44E7FD002F5E89A6FE68A74080043E88EBE2793EECB3D35CB57112514F5A86E5A92E8133D8154E38229525)
「数据库」e-r模型转换为关系模型
图片尺寸1304x578