{"id":408,"date":"2022-01-25T11:13:23","date_gmt":"2022-01-25T11:13:23","guid":{"rendered":"https:\/\/www.cybermedian.com\/pt\/?p=408"},"modified":"2022-03-31T11:35:02","modified_gmt":"2022-03-31T03:35:02","slug":"data-flow-diagram-comprehensive-guide-with-examples","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/pt\/data-flow-diagram-comprehensive-guide-with-examples\/","title":{"rendered":"Guia abrangente do diagrama de fluxo de dados com exemplos"},"content":{"rendered":"<p id=\"9f1e\" class=\"graf graf--p graf-after--h3\">O Diagrama de Fluxo de Dados (DFD) \u00e9 um m\u00e9todo estruturado de an\u00e1lise e projeto.\u00a0\u00c9 a representa\u00e7\u00e3o visual tradicional dos fluxos de informa\u00e7\u00e3o dentro de um sistema.\u00a0O Diagrama de Fluxo de Dados (DFD) \u00e9 amplamente utilizado para an\u00e1lise e projeto de software.\u00a0Um DFD organizado e claro pode representar graficamente uma boa quantidade dos requisitos do sistema.<\/p>\n<p id=\"62d1\" class=\"graf graf--p graf-after--p\">O Diagrama de Fluxo de Dados (DFD) descreve os modelos l\u00f3gicos e expressa a transforma\u00e7\u00e3o de dados em um sistema.\u00a0Inclui um mecanismo para modelar o fluxo de dados e suporta decomposi\u00e7\u00e3o para ilustrar detalhes dos fluxos de dados e fun\u00e7\u00f5es.\u00a0Um diagrama de fluxo de dados n\u00e3o pode apresentar informa\u00e7\u00f5es sobre a sequ\u00eancia de opera\u00e7\u00e3o.\u00a0Portanto, n\u00e3o \u00e9 um m\u00e9todo de modelagem de processo ou procedimento.<\/p>\n<p id=\"deaf\" class=\"graf graf--p graf-after--p\">O DFD inclui as seguintes caracter\u00edsticas:<\/p>\n<ol class=\"postList\">\n<li id=\"07ea\" class=\"graf graf--li graf-after--p\">apoiar a fase de an\u00e1lise e requisitos do projeto do sistema;<\/li>\n<li id=\"8e6d\" class=\"graf graf--li graf-after--li\">uma t\u00e9cnica de diagrama\u00e7\u00e3o com anota\u00e7\u00e3o;<\/li>\n<li id=\"199f\" class=\"graf graf--li graf-after--li\">descrevendo uma rede de atividades\/processos do sistema alvo;<\/li>\n<li id=\"a233\" class=\"graf graf--li graf-after--li\">permitindo comportamentos de paralelo e ass\u00edncrono;<\/li>\n<li id=\"b4d8\" class=\"graf graf--li graf-after--li\">refinamento passo a passo atrav\u00e9s da decomposi\u00e7\u00e3o hier\u00e1rquica de processos.<\/li>\n<\/ol>\n<h4 id=\"005a\" class=\"graf graf--h4 graf-after--li\"><span id=\"Key_Concepts_of_Data_Flow_Diagram\">Conceitos-chave do diagrama de fluxo de dados<\/span><\/h4>\n<p id=\"2270\" class=\"graf graf--p graf-after--h4\">O DFD apresenta um sistema de s\u00edmbolos para descrever fluxos de dados e um mecanismo de decomposi\u00e7\u00e3o para descrever um sistema em v\u00e1rios n\u00edveis de detalhes.<\/p>\n<h4 id=\"6a56\" class=\"graf graf--h4 graf-after--p\"><span id=\"Process\">Processar<\/span><\/h4>\n<p id=\"98b8\" class=\"graf graf--p graf-after--h4\">Agora gostar\u00edamos de apresentar brevemente a voc\u00ea algumas nota\u00e7\u00f5es de diagrama que voc\u00ea ver\u00e1 no tutorial abaixo.<\/p>\n<h4 id=\"f648\" class=\"graf graf--h4 graf-after--p\"><span id=\"External_Entity\">Entidade Externa<\/span><\/h4>\n<p id=\"af2d\" class=\"graf graf--p graf-after--h4\">Uma entidade externa pode representar um humano, sistema ou subsistema.\u00a0\u00c9 de onde certos dados v\u00eam ou v\u00e3o.\u00a0\u00c9 externo ao sistema que estudamos, em termos de processo de neg\u00f3cio.\u00a0Por esse motivo, as pessoas costumavam desenhar entidades externas na borda de um diagrama.<\/p>\n<figure id=\"140c\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/07nIDrqhp7Lk69u8W.png\" data-image-id=\"0*7nIDrqhp7Lk69u8W.png\" data-width=\"101\" data-height=\"51\" \/><\/figure>\n<h4 id=\"9b0f\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Process1\">Processar<\/span><\/h4>\n<p id=\"d1bb\" class=\"graf graf--p graf-after--h4\">Um processo \u00e9 uma atividade ou fun\u00e7\u00e3o de neg\u00f3cios onde ocorre a manipula\u00e7\u00e3o e transforma\u00e7\u00e3o de dados.\u00a0Um processo pode ser decomposto em um n\u00edvel mais fino de detalhes, para representar como os dados est\u00e3o sendo processados \u200b\u200bdentro do processo.<\/p>\n<figure id=\"f760\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/0U6c36jcSQjAG7yPp.png\" data-image-id=\"0*U6c36jcSQjAG7yPp.png\" data-width=\"111\" data-height=\"71\" \/><\/figure>\n<h4 id=\"5248\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Data_Store\">Banco de dados<\/span><\/h4>\n<p id=\"4fa5\" class=\"graf graf--p graf-after--h4\">Um armazenamento de dados representa o armazenamento de dados persistentes necess\u00e1rios e\/ou produzidos pelo processo.\u00a0Aqui est\u00e3o alguns exemplos de armazenamentos de dados: formul\u00e1rios de associa\u00e7\u00e3o, tabela de banco de dados, etc.<\/p>\n<figure id=\"3001\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/07Hd8EfrL-SVzMMqh.png\" data-image-id=\"0*7Hd8EfrL-SVzMMqh.png\" data-width=\"111\" data-height=\"41\" \/><\/figure>\n<h4 id=\"d6a8\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Data_Flow\">Fluxo de dados<\/span><\/h4>\n<p id=\"547b\" class=\"graf graf--p graf-after--h4\">Um fluxo de dados representa o fluxo de informa\u00e7\u00f5es, com sua dire\u00e7\u00e3o representada por uma ponta de seta que aparece na(s) extremidade(s) do conector de fluxo.<\/p>\n<figure id=\"1971\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/0l3117Oi4gW5QW29x.png\" data-image-id=\"0*l3117Oi4gW5QW29x.png\" data-width=\"136\" data-height=\"88\" \/><\/figure>\n<h4 id=\"7870\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Different_DFD_Notations\">Diferentes nota\u00e7\u00f5es DFD<\/span><\/h4>\n<p id=\"eb5f\" class=\"graf graf--p graf-after--h4\">Existem v\u00e1rias nota\u00e7\u00f5es diferentes:<\/p>\n<ol class=\"postList\">\n<li id=\"486e\" class=\"graf graf--li graf-after--p\">Yourdon e\/ou De Marco,<\/li>\n<li id=\"6727\" class=\"graf graf--li graf-after--li\">Gane &amp; Sarson,<\/li>\n<li id=\"d81d\" class=\"graf graf--li graf-after--li\">SSADM (An\u00e1lise de Sistema Estruturado e Metodologia de Projeto), e<\/li>\n<li id=\"3741\" class=\"graf graf--li graf-after--li\">A Unified Modeling Language tem maneiras de mostrar fluxos de dados.<\/li>\n<\/ol>\n<figure id=\"f32f\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/0W691GG6rn94caqFZ.gif\" data-image-id=\"0*W691GG6rn94caqFZ.gif\" data-width=\"663\" data-height=\"456\" data-is-featured=\"true\" \/><\/figure>\n<h3 id=\"9ffa\" class=\"graf graf--h3 graf-after--figure\"><span id=\"How_to_Draw_DFD_with_Multiple_Context_Levels\">Como desenhar DFD com v\u00e1rios n\u00edveis de contexto?<\/span><\/h3>\n<p id=\"6a32\" class=\"graf graf--p graf-after--h3\">Decomposi\u00e7\u00e3o Funcional \u00e9 o processo de pegar um processo complexo e dividi-lo em suas partes menores e mais simples.\u00a0Cada um dos quais pode ser dividido ainda mais.\u00a0Depois de atingir o n\u00edvel mais baixo de partes decompostas de um subsistema, os desenvolvedores podem pensar em como come\u00e7ar a codificar essas fun\u00e7\u00f5es.\u00a0Como voc\u00ea est\u00e1 trabalhando na funcionalidade mais simples, o desenvolvedor pode trabalhar com o sistema de destino que est\u00e1 sendo desenvolvido.\u00a0Portanto, desenvolver e testar essas funcionalidades se torna muito mais f\u00e1cil.<\/p>\n<p id=\"7491\" class=\"graf graf--p graf-after--p\">Criado por: Visual Paradigm\u00a0\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.visual-paradigm.com\/editions\/enterprise\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/editions\/enterprise\/\">Enterprise<\/a>\u00a0,\u00a0\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.visual-paradigm.com\/editions\/professional\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/editions\/professional\/\">Professional<\/a>\u00a0,\u00a0\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.visual-paradigm.com\/editions\/standard\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/editions\/standard\/\">Standard<\/a>\u00a0,\u00a0\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.visual-paradigm.com\/editions\/modeler\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/editions\/modeler\/\">Modeler<\/a><\/p>\n<h3 id=\"97ee\" class=\"graf graf--h3 graf-after--p\"><span id=\"Creating_Context_Level_DFD\">Criando DFD de n\u00edvel de contexto<\/span><\/h3>\n<p id=\"e436\" class=\"graf graf--p graf-after--h3\">O DFD de n\u00edvel de contexto, tamb\u00e9m conhecido como DFD de n\u00edvel 0, v\u00ea todo o sistema como um \u00fanico processo e enfatiza a intera\u00e7\u00e3o entre o sistema e entidades externas.\u00a0Vamos desenhar um DFD de contexto.<\/p>\n<ol class=\"postList\">\n<li id=\"7a82\" class=\"graf graf--li graf-after--p\">Para criar um DFD, selecione Diagrama &gt; Novo na barra de ferramentas.<\/li>\n<li id=\"3810\" class=\"graf graf--li graf-after--li\">Na janela Novo diagrama, selecione\u00a0\u00a0<em class=\"markup--em markup--li-em\">Diagrama de fluxo de dados<\/em>\u00a0\u00a0e clique em Avan\u00e7ar.<\/li>\n<li id=\"aca4\" class=\"graf graf--li graf-after--li\">Insira\u00a0\u00a0<em class=\"markup--em markup--li-em\">Diagrama de Contexto<\/em>\u00a0\u00a0como nome do diagrama e clique em OK para confirmar.<\/li>\n<li id=\"cf4d\" class=\"graf graf--li graf-after--li\">Nomeie o diagrama\u00a0\u00a0<em class=\"markup--em markup--li-em\">Diagrama de Contexto<\/em>\u00a0.<\/li>\n<li id=\"4020\" class=\"graf graf--li graf-after--li\">Precisamos criar o processo principal.\u00a0Arraste\u00a0\u00a0<em class=\"markup--em markup--li-em\">Processo<\/em>\u00a0\u00a0da barra de ferramentas do diagrama para o diagrama.\u00a0D\u00ea o nome de\u00a0\u00a0<em class=\"markup--em markup--li-em\">Livraria Online<\/em>\u00a0.\u00a0Usaremos a livraria online como exemplo para mostrar como criar DFD de v\u00e1rios n\u00edveis.<\/li>\n<\/ol>\n<figure id=\"576e\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/0n2D1H99oy9i7n6O9.png\" data-image-id=\"0*n2D1H99oy9i7n6O9.png\" data-width=\"226\" data-height=\"161\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"8a65\" class=\"graf graf--li graf-after--figure\">Como voc\u00ea pode imaginar, os clientes far\u00e3o pedidos de livros pelo sistema.\u00a0Portanto, adicione uma Entidade Externa ao diagrama e nomeie-a como\u00a0\u00a0<em class=\"markup--em markup--li-em\">Cliente<\/em>\u00a0.\u00a0Assim como o processo de cria\u00e7\u00e3o, voc\u00ea pode criar uma entidade externa arrastando Entidade Externa da barra de ferramentas do diagrama para o diagrama.<\/li>\n<\/ol>\n<figure id=\"dbcc\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/06QHTuob5rOAMuya.png\" data-image-id=\"0*6QHTuob5rOAMuya_.png\" data-width=\"91\" data-height=\"41\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"d3fb\" class=\"graf graf--li graf-after--figure\">Um fluxo de dados \u00e9 usado para representar o movimento de dados entre diferentes partes do sistema.\u00a0Neste caso, \u201cpedido\u201d \u00e9 um dado criado pelo cliente e enviado ao sistema.\u00a0Portanto, crie um fluxo de dados do\u00a0\u00a0<em class=\"markup--em markup--li-em\">Cliente<\/em>\u00a0\u00a0para a\u00a0\u00a0<em class=\"markup--em markup--li-em\">Livraria Online<\/em>\u00a0.\u00a0Para fazer isso, mova o ponteiro do mouse sobre Cliente.\u00a0Arraste o bot\u00e3o Cat\u00e1logo de Recursos.<\/li>\n<\/ol>\n<figure id=\"5a76\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/03BC09QP2U96GquPX.png\" data-image-id=\"0*3BC09QP2U96GquPX.png\" data-width=\"215\" data-height=\"76\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"4341\" class=\"graf graf--li graf-after--figure\">Solte o bot\u00e3o do mouse na\u00a0\u00a0<em class=\"markup--em markup--li-em\">Livraria Online<\/em>\u00a0\u00a0e selecione Fluxo de Dados do Cat\u00e1logo de Recursos.\u00a0Isso cria um conector de fluxo de dados.<\/li>\n<\/ol>\n<figure id=\"8e38\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/0oztuDWf-lLiSFtc3.png\" data-image-id=\"0*oztuDWf-lLiSFtc3.png\" data-width=\"291\" data-height=\"242\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"5061\" class=\"graf graf--li graf-after--figure\">D\u00ea o nome de\u00a0\u00a0<em class=\"markup--em markup--li-em\">ordem<\/em>\u00a0.<\/li>\n<\/ol>\n<figure id=\"13dd\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/0eAvpOqPxRvFHmiAD.png\" data-image-id=\"0*eAvpOqPxRvFHmiAD.png\" data-width=\"341\" data-height=\"71\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"f92a\" class=\"graf graf--li graf-after--figure\">A livraria finalmente entregar\u00e1 os livros ao cliente.\u00a0Fa\u00e7a uso do Cat\u00e1logo de Recursos para criar um fluxo de dados da\u00a0\u00a0<em class=\"markup--em markup--li-em\">Livraria Online<\/em>\u00a0\u00a0para o\u00a0\u00a0<em class=\"markup--em markup--li-em\">Cliente<\/em>\u00a0.\u00a0<em class=\"markup--em markup--li-em\">Nomeie os livros ordenados<\/em>\u00a0pelo fluxo\u00a0\u00a0.<\/li>\n<\/ol>\n<figure id=\"1284\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/0Tv-rIjlNUWtgxFlv.png\" data-image-id=\"0*Tv-rIjlNUWtgxFlv.png\" data-width=\"341\" data-height=\"71\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"6655\" class=\"graf graf--li graf-after--figure\">Isso \u00e9 tudo para o diagrama de contexto.\u00a0Como vemos todo o sistema como um \u00fanico processo, h\u00e1 apenas uma forma de processo criada neste n\u00edvel DFD.\u00a0Na pr\u00f3xima se\u00e7\u00e3o voc\u00ea ir\u00e1 decompor o\u00a0 processo da\u00a0<em class=\"markup--em markup--li-em\">Livraria Online<\/em>\u00a0\u00a0e desenhar seu detalhe.<\/li>\n<\/ol>\n<h3 id=\"c44f\" class=\"graf graf--h3 graf-after--li\"><span id=\"Creating_Level_1_DFD\">Criando DFD N\u00edvel 1<\/span><\/h3>\n<p id=\"97a4\" class=\"graf graf--p graf-after--h3\">Nesta se\u00e7\u00e3o, voc\u00ea desenhar\u00e1 o DFD de n\u00edvel 1 para mostrar as principais fun\u00e7\u00f5es da livraria online.<\/p>\n<ol class=\"postList\">\n<li id=\"a3d3\" class=\"graf graf--li graf-after--p\">Clique com o bot\u00e3o direito do mouse em\u00a0\u00a0<em class=\"markup--em markup--li-em\">Online Bookstore<\/em>\u00a0\u00a0e selecione Decompose no menu pop-up.<\/li>\n<\/ol>\n<figure id=\"c779\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/0s2so6Ahn1ZTdhq6N.png\" data-image-id=\"0*s2so6Ahn1ZTdhq6N.png\" data-width=\"360\" data-height=\"143\" \/><\/figure>\n<p id=\"2186\" class=\"graf graf--p graf-after--figure\">2. Os armazenamentos de dados e\/ou entidades externas conectadas ao processo selecionado seriam referenciados no DFD de n\u00edvel 1.\u00a0Portanto, quando voc\u00ea for solicitado a adicion\u00e1-los ao novo diagrama, clique em Sim para confirmar.\u00a0Observe que o novo DFD deve ser muito semelhante ao diagrama de contexto inicialmente.\u00a0Todos os elementos devem permanecer inalterados, exceto que o processo principal (a partir do qual este novo DFD se decomp\u00f5e) agora desapareceu e foi substitu\u00eddo por um espa\u00e7o em branco (a ser elaborado).<\/p>\n<p id=\"0c9d\" class=\"graf graf--p graf-after--p\">3. Clique com o bot\u00e3o direito do mouse no plano de fundo do diagrama e selecione Renomear\u2026 no menu pop-up.\u00a0Nomeie o diagrama como\u00a0\u00a0<em class=\"markup--em markup--p-em\">N\u00edvel 1 DFD<\/em>\u00a0.<\/p>\n<p id=\"4ab2\" class=\"graf graf--p graf-after--p\">4. Existe um processo que recebe o pedido do cliente e o armazena em um banco de dados.\u00a0Vamos criar um processo\u00a0\u00a0<em class=\"markup--em markup--p-em\">Receive Order<\/em>\u00a0\u00a0e um armazenamento de dados\u00a0\u00a0<em class=\"markup--em markup--p-em\">Orders<\/em>\u00a0.\u00a0Adicione fluxos de dados no meio.<\/p>\n<figure id=\"dd47\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/09RA6eQStzvtLobIL.png\" data-image-id=\"0*9RA6eQStzvtLobIL.png\" data-width=\"497\" data-height=\"75\" \/><\/figure>\n<p id=\"ec5b\" class=\"graf graf--p graf-after--figure\">5. Quando um pedido \u00e9 inv\u00e1lido, deve haver outro processo que envolva entrar em contato com o cliente e esclarecer sua necessidade.\u00a0Crie um processo\u00a0\u00a0<em class=\"markup--em markup--p-em\">Tratar Pedido Inv\u00e1lido<\/em>\u00a0.\u00a0Adicione fluxos de dados adequados entre as formas.\u00a0Aqui voc\u00ea pode usar um fluxo de dados bidirecional para representar um fluxo de di\u00e1logo.<\/p>\n<figure id=\"c851\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/0KqMHntEa7_RpEXQx.png\" data-image-id=\"0*KqMHntEa7_RpEXQx.png\" data-width=\"494\" data-height=\"211\" \/><\/figure>\n<p id=\"9ea7\" class=\"graf graf--p graf-after--figure\">6. Existe outro processo que trata do envio.\u00a0Crie o\u00a0 processo\u00a0<em class=\"markup--em markup--p-em\">de pedido de<\/em>\u00a0\u00a0envio.\u00a0Novamente, adicione fluxos de dados apropriados entre as formas.<\/p>\n<figure id=\"db29\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/0v8gBllrH0AXM5sCq.png\" data-image-id=\"0*v8gBllrH0AXM5sCq.png\" data-width=\"491\" data-height=\"341\" \/><\/figure>\n<p id=\"fc73\" class=\"graf graf--p graf-after--figure\">Isso \u00e9 tudo para este tutorial.\u00a0Dependendo da \u00e1rea de interesse, voc\u00ea pode criar mais n\u00edveis para mostrar o sistema com mais detalhes.\u00a0Como voc\u00ea pode imaginar, o\u00a0 processo\u00a0<em class=\"markup--em markup--p-em\">de Pedido de Envio<\/em>\u00a0\u00a0pode ser elaborado em unidades funcionais menores (processos) como embalagem, prepara\u00e7\u00e3o de fatura, organiza\u00e7\u00e3o de entrega, etc.<\/p>\n<h4 id=\"3406\" class=\"graf graf--h4 graf-after--p\"><span id=\"Try_it_Yourself_with_Visual_Paradigm_Online\">Experimente voc\u00ea mesmo com o\u00a0\u00a0<a class=\"markup--anchor markup--h4-anchor\" href=\"http:\/\/online.visual-paradigm.com\/\" target=\"_blank\" rel=\"noopener\" data-href=\"http:\/\/online.visual-paradigm.com\">Visual Paradigm Online<\/a><\/span><\/h4>\n<ul class=\"postList\">\n<li id=\"21d0\" class=\"graf graf--li graf-after--h4\">Exemplos e modelos gratuitos de Diagrama de Fluxo de Dados edit\u00e1veis \u200b\u200bem um software de Diagrama de Fluxo de Dados online: Visual Paradigm Online.<\/li>\n<li id=\"3ce1\" class=\"graf graf--li graf-after--li\">Use os modelos como ponto de partida para criar seu pr\u00f3prio Diagrama de Fluxo de Dados.<\/li>\n<\/ul>\n<p id=\"54f6\" class=\"graf graf--p graf-after--li\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/securities-trading-platform\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/securities-trading-platform\/\">Plataforma de Negocia\u00e7\u00e3o de Valores Mobili\u00e1rios<\/a><\/p>\n<figure id=\"a13c\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/0rbzBIwWHuRH-KJOI.png\" data-image-id=\"0*rbzBIwWHuRH-KJOI.png\" data-width=\"653\" data-height=\"470\" \/><\/figure>\n<p id=\"23ec\" class=\"graf graf--p graf-after--figure\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/food-ordering-system\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/food-ordering-system\/\">Sistema de pedidos de alimentos<\/a><\/p>\n<figure id=\"e2c6\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/0300P6odV-nUo_k_t.png\" data-image-id=\"0*300P6odV-nUo_k_t.png\" data-width=\"605\" data-height=\"423\" \/><\/figure>\n<p id=\"24ed\" class=\"graf graf--p graf-after--figure\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/customer-service-system-railway-company\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/customer-service-system-railway-company\/\">Sistema de Atendimento ao Cliente (Companhia Ferrovi\u00e1ria)<\/a><\/p>\n<figure id=\"5142\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/0imjok1ph4eHqkic.png\" data-image-id=\"0*imjok1ph4eHqkic_.png\" data-width=\"757\" data-height=\"531\" \/><\/figure>\n<p id=\"181a\" class=\"graf graf--p graf-after--figure\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/supermarket-app\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/supermarket-app\/\">Aplicativo de supermercado<\/a><\/p>\n<figure id=\"5feb\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/2022\/02\/0oxM6uHr-GqgHzBo5.png\" data-image-id=\"0*oxM6uHr-GqgHzBo5.png\" data-width=\"716\" data-height=\"561\" \/><\/figure>\n<h4 id=\"2511\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Other_Recommended_DFD_Articles\">Outros artigos DFD recomendados<\/span><\/h4>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul class=\"postList\">\n<li id=\"d7d0\" class=\"graf graf--li graf-after--h4\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/tutorials\/data-flow-diagram-dfd.jsp\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/tutorials\/data-flow-diagram-dfd.jsp\">O que \u00e9 Diagrama de Fluxo de Dados (DFD)?\u00a0Como desenhar DFD?<\/a><\/li>\n<li id=\"634e\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/tutorials\/writingeffectiveusecase.jsp\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/tutorials\/writingeffectiveusecase.jsp\">Como escrever casos de uso eficazes?<\/a><\/li>\n<li id=\"6236\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/tutorials\/data-flow-diagram-example-food-ordering-system.jsp\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/tutorials\/data-flow-diagram-example-food-ordering-system.jsp\">Diagrama de fluxo de dados: exemplos &#8211; sistema de pedidos de alimentos<\/a><\/li>\n<li id=\"bf79\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/tutorials\/how-to-model-relational-database-with-erd.jsp\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/tutorials\/how-to-model-relational-database-with-erd.jsp\">Como modelar o design de banco de dados relacional com ERD?<\/a><\/li>\n<li id=\"5dd7\" class=\"graf graf--li graf-after--li graf--trailing\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/tutorials\/as-is-to-be-business-process.jsp\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/tutorials\/as-is-to-be-business-process.jsp\">Como desenvolver o processo de neg\u00f3cios As-Is e To-Be?<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Os diagramas de fluxo de dados (DFDS) descrevem os modelos l\u00f3gicos e as transforma\u00e7\u00f5es de dados no sistema. Ele inclui um mecanismo para modelagem de fluxos de dados e suporta a decomposi\u00e7\u00e3o para ilustrar os detalhes dos fluxos de dados e funcionalidade. Um diagrama de fluxo de dados n\u00e3o pode exibir informa\u00e7\u00f5es sobre a ordem de opera\u00e7\u00f5es. Portanto, n\u00e3o \u00e9 um processo ou uma abordagem de modelagem de processos.<\/p>\n","protected":false},"author":1,"featured_media":2383,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[13,5],"tags":[52,63,62,53],"class_list":["post-408","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online-diagrams","category-software-engineering","tag-cn-done","tag-es-done","tag-ja-done","tag-tw-done"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Guia abrangente do diagrama de fluxo de dados com exemplos - Cibermediano<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cybermedian.com\/pt\/data-flow-diagram-comprehensive-guide-with-examples\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Guia abrangente do diagrama de fluxo de dados com exemplos - Cibermediano\" \/>\n<meta property=\"og:description\" content=\"Os diagramas de fluxo de dados (DFDS) descrevem os modelos l\u00f3gicos e as transforma\u00e7\u00f5es de dados no sistema. 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