{"id":2141,"date":"2026-08-18T07:03:18","date_gmt":"2026-08-18T07:03:18","guid":{"rendered":"https:\/\/www.vpascode.com\/pl\/building-a-hotel-management-erd-with-plantuml-and-vpascode\/"},"modified":"2026-08-18T07:03:18","modified_gmt":"2026-08-18T07:03:18","slug":"building-a-hotel-management-erd-with-plantuml-and-vpascode","status":"publish","type":"post","link":"https:\/\/www.vpascode.com\/pl\/building-a-hotel-management-erd-with-plantuml-and-vpascode\/","title":{"rendered":"Tworzenie diagramu ERD zarz\u0105dzania hotelami za pomoc\u0105 PlantUML i VPasCode"},"content":{"rendered":"<p><img fetchpriority=\"high\" alt='A YouTube thumbnail-style graphic featuring the bold text \"BUILD PROFESSIONAL DATABASE DIAGRAMS\" in large uppercase letters, with a pointing finger icon on the right and a rendered Entity Relationship Diagram displayed in the background.' class=\"alignnone size-full wp-image-2717\" decoding=\"async\" fetchpriority=\"high\" height=\"768\" sizes=\"(max-width: 1376px) 100vw, 1376px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/build-professional-database-diagrams-thumbnail.jpg\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/build-professional-database-diagrams-thumbnail.jpg 1376w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/build-professional-database-diagrams-thumbnail-300x167.jpg 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/build-professional-database-diagrams-thumbnail-1024x572.jpg 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/build-professional-database-diagrams-thumbnail-768x429.jpg 768w\" width=\"1376\"\/><\/p>\n<p>Podczas projektowania wytrzyma\u0142y architektury baz danych dla skomplikowanych dziedzin, takich jak hospitalka, jasne wizualizowanie relacji jest kluczowe. Niezale\u017cnie od tego, czy mapujesz profile klient\u00f3w, \u015bledzisz zapasy pokoi, czy zarz\u0105dzasz rozliczeniami, dobrze zorganizowany diagram relacji encji (ERD) oszcz\u0119dza niewyobra\u017caln\u0105 ilo\u015b\u0107 czasu podczas rozwoju. W tym szkoleniu poka\u017c\u0119 Ci, jak stworzy\u0142em kompleksowy diagram ERD zarz\u0105dzania hotelami od zera, u\u017cywaj\u0105c PlantUML wewn\u0105trz <a href=\"https:\/\/www.vpascode.com\/editor\/\">darmowego edytora PlantUML<\/a>, <a href=\"https:\/\/vpascode.com\/\">VPasCode<\/a>.<\/p>\n<p id=\"LzlMgfr\"><img alt=\"\" class=\"alignnone size-full wp-image-2661\" decoding=\"async\" height=\"738\" sizes=\"(max-width: 1508px) 100vw, 1508px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a83fec0372f7.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a83fec0372f7.png 1508w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a83fec0372f7-300x147.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a83fec0372f7-1024x501.png 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a83fec0372f7-768x376.png 768w\" width=\"1508\"\/><\/p>\n<h2>1. Inicjowanie \u015brodowiska PlantUML<\/h2>\n<p>Zaczynam od ustawienia podstawowej struktury skryptu. Przy pracy z z\u0142o\u017conymi schematami zawieraj\u0105cymi wiele atrybut\u00f3w, czytelno\u015b\u0107 uk\u0142adu jest najwa\u017cniejsza. Konfiguruj\u0119 PlantUML w taki spos\u00f3b, aby ukry\u0107 zb\u0119dne elementy i zoptymalizowa\u0107 kierunek uk\u0142adu diagramu:<\/p>\n<pre><code class=\"language-plantuml\">\r\n@startuml \r\ntytu\u0142 Diagram ERD zarz\u0105dzania hotelami\r\n\r\nukryj okr\u0105g\r\nkierunek od lewej do prawej\r\n    <\/code><\/pre>\n<p><strong>Dlaczego ten podej\u015bcie?<\/strong>Ukrycie domy\u015blnych okr\u0119g\u00f3w atrybut\u00f3w utrzymuje pola encji czyste i nowoczesne. Ustawienie kierunku na <code>kierunek od lewej do prawej<\/code> pomaga zapobiega\u0107 temu, by szerokie diagramy ERD sta\u0142y si\u0119 trudne do zarz\u0105dzania w pionie, rozszerzaj\u0105c logicznie relacje mi\u0119dzy wieloma tabelami.<\/p>\n<h2>2. Definiowanie podstawowych encji i atrybut\u00f3w<\/h2>\n<p>Nast\u0119pnie musz\u0119 zdefiniowa\u0107 podstawowe encje reprezentuj\u0105ce nasz\u0105 dziedzin\u0119 biznesow\u0105. Strukturalizuj\u0119 ka\u017cd\u0105 encj\u0119 z jej kluczami g\u0142\u00f3wnymi, ograniczeniami unikalno\u015bci i typowanymi atrybutami. Sp\u00f3jrzmy, jak ustawiam podstawowe <code>Klienta<\/code> oraz <code>RodzajPokoju<\/code>encje:<\/p>\n<pre><code class=\"language-plantuml\">\r\nencja \"Klient\" jako klient {\r\n  * customer_id : UUID &lt;&lt;PK&gt;&gt;\r\n  --\r\n  first_name : VARCHAR(50)\r\n  last_name : VARCHAR(50)\r\n  email : VARCHAR(100) &lt;&lt;UK&gt;&gt;\r\n  phone : VARCHAR(20)\r\n  address : TEXT\r\n  loyalty_points : INTEGER\r\n  total_stays : INTEGER\r\n  date_registered : TIMESTAMP\r\n  date_of_birth : DATE\r\n  nationality : VARCHAR(50)\r\n}\r\n\r\nencja \"RodzajPokoju\" jako rodzajpokoju {\r\n  * room_type_id : UUID &lt;&lt;PK&gt;&gt;\r\n  --\r\n  type_name : VARCHAR(50) &lt;&lt;UK&gt;&gt;\r\n  description : TEXT\r\n  standard_capacity : INTEGER\r\n  base_price : DECIMAL(10,2)\r\n  extra_bed_charge : DECIMAL(10,2)\r\n  has_kitchenette : BOOLEAN\r\n  has_balcony : BOOLEAN\r\n}\r\n    <\/code><\/pre>\n<p>Definiuj\u0105c jasne oznaczenia, takie jak <code>&lt;&lt;PK&gt;&gt;<\/code> oraz <code>&lt;&lt;UK&gt;&gt;<\/code>, ka\u017cdy przegl\u0105daj\u0105cy kod natychmiast rozumie zasady indeksowania i unikalno\u015bci, zanim nawet zostan\u0105 napisane skrypty migracji bazy danych.<\/p>\n<h2>3. Mapowanie encji operacyjnych (Pokoje, Rezerwacje i Personel)<\/h2>\n<p>Po umieszczeniu danych referencyjnych, przechodz\u0119 do centrum systemu zarz\u0105dzania hotelami: pokoi, rezerwacji i przep\u0142yw\u00f3w pracy personelu. Ka\u017cda encja \u0142\u0105czy si\u0119 z naszymi podstawowymi tabelami za pomoc\u0105 kluczy obcych:<\/p>\n<pre><code class=\"language-plantuml\">\r\nencja \"Pok\u00f3j\" jako pok\u00f3j {\r\n  * room_id : UUID &lt;&lt;PK&gt;&gt;\r\n  --\r\n  room_number : VARCHAR(10) &lt;&lt;UK&gt;&gt;\r\n  floor_number : INTEGER\r\n  room_type_id : UUID &lt;&lt;FK&gt;&gt;\r\n  capacity : INTEGER\r\n  base_price : DECIMAL(10,2)\r\n  is_available : BOOLEAN\r\n  has_view : BOOLEAN\r\n  square_feet : INTEGER\r\n  last_renovated : DATE\r\n}\r\n\r\nencja \"Rezerwacja\" jako rezerwacja {\r\n  * reservation_id : UUID &lt;&lt;PK&gt;&gt;\r\n  --\r\n  customer_id : UUID &lt;&lt;FK&gt;&gt;\r\n  room_id : UUID &lt;&lt;FK&gt;&gt;\r\n  check_in_date : DATE\r\n  check_out_date : DATE\r\n  number_of_guests : INTEGER\r\n  total_amount : DECIMAL(10,2)\r\n  status : VARCHAR(20)\r\n  special_requests : TEXT\r\n  created_at : TIMESTAMP\r\n  updated_at : TIMESTAMP\r\n  confirmation_code : VARCHAR(20) &lt;&lt;UK&gt;&gt;\r\n}\r\n    <\/code><\/pre>\n<h2>4. Ustanawianie relacji finansowych i us\u0142ugowych<\/h2>\n<p>Aby uko\u0144czy\u0107 architektur\u0119, mapuj\u0119 rekordy rozliczeniowe (P\u0142atno\u015bci i Faktury) wraz z pomocniczymi us\u0142ugami, takimi jak Us\u0142uga Pokojowa obs\u0142ugiwana przez personel hotelu. Aby po\u0142\u0105czy\u0107 wszystko razem, jasno definiuj\u0119 liczno\u015b\u0107 za pomoc\u0105 standardowej notacji PlantUML:<\/p>\n<pre><code class=\"language-plantuml\">\r\n' Relacje\r\ncustomer ||--o{ reservation : \"prowadzi\"\r\nroom ||--o{ reservation : \"przypisana do\"\r\nreservation ||--|| payment : \"ma\"\r\nreservation ||--|| invoice : \"generuje\"\r\nreservation ||--o{ roomservice : \"\u017c\u0105da\"\r\nstaff ||--o{ roomservice : \"realizuje\"\r\nroomtype ||--o{ room : \"kategoryzuje\"\r\n\r\n@enduml\r\n    <\/code><\/pre>\n<p><strong>Wyb\u00f3r projektowy:<\/strong> U\u017cywanie dok\u0142adnej notacji k\u0142ykci (takiej jak <code>||--o{<\/code> do relacji jedno-do-wielu z wymogiem do opcjonalno\u015bci zapewnia dok\u0142adne odwzorowanie regu\u0142 logiki biznesowej \u2014 takich jak konieczno\u015b\u0107 istnienia klienta dla rezerwacji, ale mo\u017cliwo\u015b\u0107 istnienia u klienta wielu lub \u017cadnych aktywnych rezerwacji \u2014<\/p>\n<section class=\"post-section\">\u00a0<\/section>\n<hr\/>\n<h2>Pe\u0142ny skrypt PlantUML<\/h2>\n<p>Oto pe\u0142ny, z\u0142o\u017cony kod \u017ar\u00f3d\u0142owy naszego modelu ERD do zarz\u0105dzania hotelami. Mo\u017cesz skopiowa\u0107 i wklei\u0107 ten kod bezpo\u015brednio do ulubionego <strong>darmowego edytora PlantUML<\/strong> aby edytowa\u0107 lub renderowa\u0107 grafik\u0119 wektorow\u0105:<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:nPRVRzis4CVV3VX_8FAojLY0BCDUWcAe5nkhWQOj77VO6t6MJXOHYbJ9arklwV--8sKfaYKLQ5xs8eZy7dzzxex7rvx0KLLeCP_DPwH8etXZ2RMu0mDxBD2GM6sMGSrLYY9HBj4udsdCI90LJkrp4gboc92o9jZz99QOAOE2nofIwCLdHRa08gTs5Q6Vpw9o51UtbITReBiGu4LoQeYlyvaGBzksLAcu4Hy_hfVYrHz1khmCtqmvJz90WQp-lTZSlbbiVlxzwaNGD4nAM83IdUvVhwvUdEOjSskw8wxh4P2c3hrdORlwPnkdjqVGT9IbLOQ2i7wtNVsrsWIDB86MZFLu9gH0A1tkbITq68wqNT-jxhUBkm-jR3EvKuvXtOZbOhiA_GO2Lz21rzbXlWNQ3SgDjKN4wFYdGHZ-9_15oLJ5Ze5tQJGmCcsjUpBe72IEf6E9WvaJA26fDzgntu57MJgL1BRBrUtwRl6M5_hbEj9LNiA1NG8x7VG_txz_krgy2qeENXuKVkxt-ayLE9GP8lMNYJvtQEo1IQOjmG6aBU-y1HMEqOCrUgwQM9I6GNMoIT4dJfN1MPr8uJWmARXKFWSDVY47SeSyEWUt7xK9a1uK9JaQ91eXk0ETM7Fi2dqawD4TOf3LL9xQBPYdhWaqawaw6e2ysUH1AYD3p7T2lUwt5PqBTHI6xDXNwCSp3WfR6Hf3n3wWoW_psfUOA1xfy5CpQ-Esn6488WbqdgPLcKueJ9clfAB6bDZqx2Q9P--H_m37SBr6wcNztn0_DQTIzpl-cCRGp7bYszjxenL8kKqx6_-jHiLnQ3maJoiEut-ACXS6vBIGbTCTm0wpogIJJkjnMfk3vGo9d5Jztt0wDP_1gHavk06lsnCfxolsz5aifXMUT_bg5sDmZ3h1bz6Ov8s5vQSJ-tbHtGDtJv1b4PiFVmsqsFY_Ywgp6eTnblCxOa0NDBZZA89SPIGzNnjffKTs5KeBn-m1foy_lfxkQrUq9U7acfRMoLC_7cBZd9lvOkKPR7cyYfnkA4cgmE6rKvGQumR6vAcqd2Wwt-e7t0PrF1CJBlcvrhxC7XylB-tNNesu4HS5FA2_cC_YosFS1BnNUyDbcMmmx8Z1_l6nlG3PbglMk4sJ_6opvtBdE4x6BCFg7J-oTNF3it6T2UDcMQKpfNLpbEYXZcKmINZDlNNgtxZoVFOQJSglv_y0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Edytuj Plantuml w VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:nPRBRjj658Rt0lGE0s_Q13NWkkWc28geiTeQZPD0bOiY6-A8SoYED9nXvYA7ZBC94FGX-YfTnk_LCxp8f4G6Y3VT2EByPsxVkSqpwy0udqasdKmdJZY9x0sOylCdNe8Io5BjKEeRPFF5HJ191KSM2nDBd4ua9euvpOnOfuvnOJ1sGgjWzmrxmp4HIlWDGnLla9KCd2bMta4cfXDKj5d1JdwNWlwUCB0izjRf30rxFvqmzdZ_7GdEdh3hwyiBzlId89sUXjz46EiY1HcI-kTiyVotsUBR7yyU1Kt2g8GP2DaP_lxix56pRfvgrPrnNiy0pWrQIy9o_jUoMbuN85qHvLee5uJBbylvh_D5q9ns82F2MXm871n61jV2EZGOhhIyl9h_iPnTlTxBEebMmhYKn8lPSXx65GIa80EjWyjy2A1RaAzr9j2MSOdajegdqJfhMOR_8nmhIVbiHUIxM5egYTJQt1jqRbJDT4MEHol7a4DSdxXZlmABKMv4721Vp9zVNirUq4RVdLUOXOrWHxw1bGpwpwzUlPZFNWOb1Hlj1DxqH-rR3mQZ1D7rjwcSRr3f7I7bUvGzMiiYPtc76Eo9XVlqg0rUi4PNISTXrjXmjB4HUN1V9tOeCXG7mwE7CC9tpa2qGfgTWbaFsWHQM-7Y51KwDu1o1JBMgkWAFJOBBD7SGBnfeA15iwkYSC_bVcY4p6Zk3WOYdJNUHa958GawiL-FQ-yEXJeQGxgiFThX58HCU-M6294BdBV7YMvpZ0NDDFYsNRNrMcmm15C4xZ1lVSv7589CDIghCSMQ7vIMwkxz5Bxx24xfkty-_rsHpw78I6kfDvzZQVm5duoZQDTi-FREtsePkbJppk5_g75HA2eByVsEnoamHfeQ1L9cHDx83cI3YLTyr74zLh_0rdbJHwXGEnqIfk7KV3w0Kplpg1gUxsyahFNaxODuv1uFXwnVLN4uHDt1ky6uf8E5xSTp-s6HtGyoD9RQdAp8aNsIjDogZ_-xsHejyJZKKdfQ70462QOOf92An4MMgWVtSk1KeTDGsEvmj0HUsxkFVWtK8hPwes_kkqFZeZsoncDV7sh3iDlrgYPqTExXXj9KgyY938zBK9PBh0um98-bvqZ_-L0_x1OegJdGys__OBkzFJtLxtkTuWaxoGsHuwKucKwgfyYOLLdame82ndKmxSXXnktjlWwITGR39cq989CrzJtZDpXW67RlE96Cx_wbbsvOiyw4OIEg_LAKpPBj4w5Z6cos59nhROh6R3fvXehJk_e_\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"language-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml \r\n\r\ntitle Zarz\u0105dzanie hotelowe ERD\r\n\r\nhide circle\r\nleft to right direction\r\n\r\n' Zdefiniuj encje z atrybutami\r\nentity \"Klient\" as customer {\r\n  * customer_id : UUID &lt;&gt;\r\n  --\r\n  first_name : VARCHAR(50)\r\n  last_name : VARCHAR(50)\r\n  email : VARCHAR(100) &lt;&gt;\r\n  phone : VARCHAR(20)\r\n  address : TEXT\r\n  loyalty_points : INTEGER\r\n  total_stays : INTEGER\r\n  date_registered : TIMESTAMP\r\n  date_of_birth : DATE\r\n  nationality : VARCHAR(50)\r\n}\r\n\r\nentity \"Pomieszczenie\" as room {\r\n  * room_id : UUID &lt;&gt;\r\n  --\r\n  room_number : VARCHAR(10) &lt;&gt;\r\n  floor_number : INTEGER\r\n  room_type_id : UUID &lt;&gt;\r\n  capacity : INTEGER\r\n  base_price : DECIMAL(10,2)\r\n  is_available : BOOLEAN\r\n  has_view : BOOLEAN\r\n  square_feet : INTEGER\r\n  last_renovated : DATE\r\n}\r\n\r\nentity \"Typ pomieszczenia\" as roomtype {\r\n  * room_type_id : UUID &lt;&gt;\r\n  --\r\n  type_name : VARCHAR(50) &lt;&gt;\r\n  description : TEXT\r\n  standard_capacity : INTEGER\r\n  base_price : DECIMAL(10,2)\r\n  extra_bed_charge : DECIMAL(10,2)\r\n  has_kitchenette : BOOLEAN\r\n  has_balcony : BOOLEAN\r\n}\r\n\r\nentity \"Rezerwacja\" as reservation {\r\n  * reservation_id : UUID &lt;&gt;\r\n  --\r\n  customer_id : UUID &lt;&gt;\r\n  room_id : UUID &lt;&gt;\r\n  check_in_date : DATE\r\n  check_out_date : DATE\r\n  number_of_guests : INTEGER\r\n  total_amount : DECIMAL(10,2)\r\n  status : VARCHAR(20)\r\n  special_requests : TEXT\r\n  created_at : TIMESTAMP\r\n  updated_at : TIMESTAMP\r\n  confirmation_code : VARCHAR(20) &lt;&gt;\r\n}\r\n\r\nentity \"P\u0142atno\u015b\u0107\" as payment {\r\n  * payment_id : UUID &lt;&gt;\r\n  --\r\n  reservation_id : UUID &lt;&gt;\r\n  amount : DECIMAL(10,2)\r\n  payment_date : TIMESTAMP\r\n  payment_method : VARCHAR(30)\r\n  transaction_id : VARCHAR(50) &lt;&gt;\r\n  status : VARCHAR(20)\r\n  receipt_url : TEXT\r\n  refund_amount : DECIMAL(10,2)\r\n}\r\n\r\nentity \"Faktura\" as invoice {\r\n  * invoice_id : UUID &lt;&gt;\r\n  --\r\n  reservation_id : UUID &lt;&gt;\r\n  invoice_number : VARCHAR(20) &lt;&gt;\r\n  issued_date : DATE\r\n  due_date : DATE\r\n  subtotal : DECIMAL(10,2)\r\n  tax : DECIMAL(10,2)\r\n  service_charge : DECIMAL(10,2)\r\n  total_amount : DECIMAL(10,2)\r\n  status : VARCHAR(20)\r\n}\r\n\r\nentity \"Personel\" as staff {\r\n  * staff_id : UUID &lt;&gt;\r\n  --\r\n  first_name : VARCHAR(50)\r\n  last_name : VARCHAR(50)\r\n  email : VARCHAR(100) &lt;&gt;\r\n  phone : VARCHAR(20)\r\n  role : VARCHAR(30)\r\n  hire_date : DATE\r\n  salary : DECIMAL(10,2)\r\n  shift_schedule : VARCHAR(50)\r\n  is_active : BOOLEAN\r\n}\r\n\r\nentity \"Us\u0142uga pokojowa\" as roomservice {\r\n  * service_id : UUID &lt;&gt;\r\n  --\r\n  reservation_id : UUID &lt;&gt;\r\n  staff_id : UUID &lt;&gt;\r\n  service_type : VARCHAR(50)\r\n  description : TEXT\r\n  request_time : TIMESTAMP\r\n  completion_time : TIMESTAMP\r\n  status : VARCHAR(20)\r\n  price : DECIMAL(10,2)\r\n}\r\n\r\n' Relacje\r\ncustomer ||--o{ reservation : \"prowadzi\"\r\nroom ||--o{ reservation : \"przypisana do\"\r\nreservation ||--|| payment : \"ma\"\r\nreservation ||--|| invoice : \"generuje\"\r\nreservation ||--o{ roomservice : \"\u017c\u0105da\"\r\nstaff ||--o{ roomservice : \"realizuje\"\r\nroomtype ||--o{ room : \"kategoryzuje\"\r\n\r\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a 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\r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:nPRVRzis4CVV3VX_8FAojLY0BCDUWcAe5nkhWQOj77VO6t6MJXOHYbJ9arklwV--8sKfaYKLQ5xs8eZy7dzzxex7rvx0KLLeCP_DPwH8etXZ2RMu0mDxBD2GM6sMGSrLYY9HBj4udsdCI90LJkrp4gboc92o9jZz99QOAOE2nofIwCLdHRa08gTs5Q6Vpw9o51UtbITReBiGu4LoQeYlyvaGBzksLAcu4Hy_hfVYrHz1khmCtqmvJz90WQp-lTZSlbbiVlxzwaNGD4nAM83IdUvVhwvUdEOjSskw8wxh4P2c3hrdORlwPnkdjqVGT9IbLOQ2i7wtNVsrsWIDB86MZFLu9gH0A1tkbITq68wqNT-jxhUBkm-jR3EvKuvXtOZbOhiA_GO2Lz21rzbXlWNQ3SgDjKN4wFYdGHZ-9_15oLJ5Ze5tQJGmCcsjUpBe72IEf6E9WvaJA26fDzgntu57MJgL1BRBrUtwRl6M5_hbEj9LNiA1NG8x7VG_txz_krgy2qeENXuKVkxt-ayLE9GP8lMNYJvtQEo1IQOjmG6aBU-y1HMEqOCrUgwQM9I6GNMoIT4dJfN1MPr8uJWmARXKFWSDVY47SeSyEWUt7xK9a1uK9JaQ91eXk0ETM7Fi2dqawD4TOf3LL9xQBPYdhWaqawaw6e2ysUH1AYD3p7T2lUwt5PqBTHI6xDXNwCSp3WfR6Hf3n3wWoW_psfUOA1xfy5CpQ-Esn6488WbqdgPLcKueJ9clfAB6bDZqx2Q9P--H_m37SBr6wcNztn0_DQTIzpl-cCRGp7bYszjxenL8kKqx6_-jHiLnQ3maJoiEut-ACXS6vBIGbTCTm0wpogIJJkjnMfk3vGo9d5Jztt0wDP_1gHavk06lsnCfxolsz5aifXMUT_bg5sDmZ3h1bz6Ov8s5vQSJ-tbHtGDtJv1b4PiFVmsqsFY_Ywgp6eTnblCxOa0NDBZZA89SPIGzNnjffKTs5KeBn-m1foy_lfxkQrUq9U7acfRMoLC_7cBZd9lvOkKPR7cyYfnkA4cgmE6rKvGQumR6vAcqd2Wwt-e7t0PrF1CJBlcvrhxC7XylB-tNNesu4HS5FA2_cC_YosFS1BnNUyDbcMmmx8Z1_l6nlG3PbglMk4sJ_6opvtBdE4x6BCFg7J-oTNF3it6T2UDcMQKpfNLpbEYXZcKmINZDlNNgtxZoVFOQJSglv_y0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Edytuj Plantuml w VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"ANJCSUi\"><img alt=\"Editing a ERD in Visual Paradigm VPasCode\" class=\"alignnone wp-image-2662 size-full\" decoding=\"async\" height=\"856\" sizes=\"(max-width: 1311px) 100vw, 1311px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a83ff8445766.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a83ff8445766.png 1311w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a83ff8445766-300x196.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a83ff8445766-1024x669.png 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a83ff8445766-768x501.png 768w\" width=\"1311\"\/><\/p>\n<hr\/>\n<section class=\"post-section\"><span style=\"font-size: 1.7em; font-weight: bold;\">Przywo\u0142aj swoje projekty baz danych do \u017cycia za pomoc\u0105 VPasCode<\/span><\/section>\n<p>Tworzenie z\u0142o\u017conych modeli baz danych nie musi oznacza\u0107 walki z nieudolnymi interfejsami typu przeci\u0105gnij i upu\u015b\u0107. Korzystaj\u0105c z podej\u015bcia diagram jako kod, Twoja architektura pozostaje kontrolowana wersjami, czysta i \u0142atwa w utrzymaniu.<\/p>\n<p>Gotowy na pr\u00f3bowanie budowania w\u0142asnych architektur system\u00f3w? Przejd\u017a do <a href=\"https:\/\/www.vpascode.com\/editor\/\">VPasCode<\/a> aby dzi\u015b do\u015bwiadczy\u0107 renderowania w czasie rzeczywistym, automatycznego wykrywania format\u00f3w oraz p\u0142ynnych eksport\u00f3w do dokumentacji technicznej!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Podczas projektowania wytrzyma\u0142y architektury baz danych dla skomplikowanych dziedzin, takich jak hospitalka, jasne wizualizowanie relacji jest kluczowe. Niezale\u017cnie od tego, czy mapujesz profile klient\u00f3w, \u015bledzisz zapasy pokoi, czy zarz\u0105dzasz rozliczeniami, dobrze zorganizowany diagram relacji encji (ERD) oszcz\u0119dza niewyobra\u017caln\u0105 ilo\u015b\u0107 czasu&#8230;<\/p>\n","protected":false},"author":4,"featured_media":2142,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[19],"tags":[],"class_list":["post-2141","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorials-guides"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Build a Hotel Management ERD Using PlantUML &amp; VPasCode<\/title>\n<meta name=\"description\" content=\"Learn how to create a comprehensive Hotel Management Entity Relationship Diagram (ERD) from scratch using PlantUML and the free VPasCode editor.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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