{"id":3882,"date":"2026-02-15T15:25:45","date_gmt":"2026-02-15T15:25:45","guid":{"rendered":"https:\/\/datissima.tech\/?p=3882"},"modified":"2026-02-15T21:01:12","modified_gmt":"2026-02-15T21:01:12","slug":"organiza-tus-datos","status":"publish","type":"post","link":"https:\/\/datissima.tech\/ca\/organiza-tus-datos\/","title":{"rendered":"2. Organitza les teves dades: crea la teva primera taula a Access"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"3882\" class=\"elementor elementor-3882\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bde8ca2 e-flex e-con-boxed e-con e-parent\" data-id=\"bde8ca2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-04cf237 elementor-widget elementor-widget-text-editor\" data-id=\"04cf237\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div>Ara que ja saps\u00a0<span style=\"font-weight: bolder;\">qu\u00e8 \u00e9s una base de dades<\/span>\u00a0en termes generals, \u00e9s el moment de passar a l&#039;acci\u00f3. Comen\u00e7arem pel fonament de tota base de dades:\u00a0<span style=\"font-weight: bolder;\">la taula<\/span>. En aquest article aprendr\u00e0s, pas a pas i de forma senzilla, com crear la teva primera taula a Microsoft Access. Farem servir com a exemple pr\u00e0ctic una petita\u00a0<span style=\"font-weight: bolder;\">base de dades de biblioteca<\/span>, on gestionarem informaci\u00f3 sobre llibres. Seguint aquesta guia, entendr\u00e0s com estructurar les teves dades a l&#039;Access mitjan\u00e7ant taules, camps i registres, i per qu\u00e8 \u00e9s important planificar b\u00e9 aquesta estructura des del principi.<\/div><div><h2 style=\"font-family: Montserrat, sans-serif; font-weight: bold; line-height: 1.3; font-size: 36px; letter-spacing: normal; word-spacing: 0px;\">Qu\u00e8 \u00e9s una taula a l&#039;Access? (Rep\u00e0s r\u00e0pid)<\/h2><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\">Una\u00a0<span style=\"font-weight: bolder;\">taula<\/span>\u00a0\u00e9s on Access emmagatzema les dades d&#039;un tema espec\u00edfic, organitzada a\u00a0<span style=\"font-weight: bolder;\">files i columnes<\/span>. Si imaginem la biblioteca, podr\u00edem tenir una taula per\u00a0<span style=\"font-weight: bolder;\">Llibres<\/span>, una altra per\u00a0<span style=\"font-weight: bolder;\">Socis<\/span>\u00a0(usuaris de la biblioteca) i una altra per\u00a0<span style=\"font-weight: bolder;\">Pr\u00e9stecs<\/span>, per exemple. Cada\u00a0<span style=\"font-weight: bolder;\">fila<\/span>\u00a0d&#039;una taula (tamb\u00e9 anomenada\u00a0<span style=\"font-weight: bolder;\">registre<\/span>) representa\u00a0<span style=\"font-weight: bolder;\">un element individual<\/span>\u00a0informaci\u00f3 \u2014a la taula de Llibres, cada fila seria un llibre diferent\u2014. Cada\u00a0<span style=\"font-weight: bolder;\">columna<\/span>\u00a0(o\u00a0<span style=\"font-weight: bolder;\">camp<\/span>) cont\u00e9\u00a0<span style=\"font-weight: bolder;\">un tipus de dada espec\u00edfica sobre aquests elements<\/span>\u00a0\u2014per exemple, un camp \u201cT\u00edtol\u201d per emmagatzemar el t\u00edtol del llibre, un altre camp \u201cAutor\u201d per a l&#039;autor, un altre \u201cAny\u201d per a l&#039;any de publicaci\u00f3, etc. En resum:\u00a0<\/div><ul style=\"font-size: 16px;\"><li class=\"___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf\" style=\"font-size: 16px;\">La\u00a0<span style=\"font-weight: bolder;\">taula Llibres<\/span>\u00a0contindr\u00e0 totes les dades dels llibres de la biblioteca.<\/li><li class=\"___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf\" style=\"font-size: 16px;\">Cada\u00a0<span style=\"font-weight: bolder;\">registre<\/span>\u00a0en aquesta taula ser\u00e0 un llibre concret (exemple: el llibre\u00a0<em>\u201cCent anys de soledat\u201d<\/em>).<\/li><li class=\"___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf\" style=\"font-size: 16px;\">Cada\u00a0<span style=\"font-weight: bolder;\">camp<\/span>\u00a0ser\u00e0 una caracter\u00edstica dels llibres (exemple: el camp\u00a0<em>\u201cAutor\u201d<\/em>\u00a0emmagatzemar\u00e0 el nom de l&#039;autor de cada llibre).<\/li><\/ul><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\">Aquesta organitzaci\u00f3 en taules ens permet manejar la informaci\u00f3 de manera estructurada. A difer\u00e8ncia d&#039;anotar dades en paper o en una llista desordenada, fer servir taules garanteix que cada dada estigui al seu lloc (tots els t\u00edtols a la columna T\u00edtol, tots els autors a la columna Autor, i aix\u00ed successivament).\u00a0<span style=\"font-weight: bolder;\">Access<\/span>\u00a0s&#039;encarrega que puguem despr\u00e9s cercar, filtrar i relacionar aquestes dades eficientment.<\/div><div><h2 style=\"font-family: Montserrat, sans-serif; font-weight: bold; line-height: 1.3; font-size: 36px; letter-spacing: normal; word-spacing: 0px;\">Pas a pas: creaci\u00f3 de la taula Llibres\u00ab<\/h2><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\">Crearem a Access la taula\u00a0<span style=\"font-weight: bolder;\">\u201cLlibres\u201d<\/span>\u00a0per a la nostra biblioteca fict\u00edcia. Hi guardarem informaci\u00f3 b\u00e0sica de cada llibre. Seguiu aquests passos:<\/div><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\"><span style=\"font-weight: bolder;\">1. Crea la base de dades i una taula nova<\/span><br \/>Obre el Microsoft Access. Si \u00e9s la primera vegada que el fas servir per a aquest projecte, selecciona\u00a0<span style=\"font-weight: bolder;\">Base de dades d&#039;escriptori en blanc<\/span>. Poseu-li un nom (per exemple,\u00a0<em>Biblioteca.accdb<\/em>) i fes clic a\u00a0<span style=\"font-weight: bolder;\">Crear<\/span>. Access generar\u00e0 un nou fitxer de base de dades i autom\u00e0ticament et mostrar\u00e0 una taula buida trucada\u00a0<span style=\"font-weight: bolder;\">Taula1<\/span>\u00a0en vista Full de dades. En cas que ja haguessis creat la base de dades abans, simplement obriu-la (Arxiu &gt; Obrir) i v\u00e9s a la pestanya\u00a0<span style=\"font-weight: bolder;\">Crear<\/span>, despr\u00e9s fes clic a\u00a0<span style=\"font-weight: bolder;\">Taula<\/span>\u00a0per inserir una taula nova (tamb\u00e9 s&#039;obrir\u00e0 a la vista Full de dades com a Taula1).<\/div><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\"><span style=\"font-weight: bolder;\">2. Canvieu a la vista Disseny per definir l&#039;estructura<\/span><br \/>Treballar a la\u00a0<span style=\"font-weight: bolder;\">vista Disseny<\/span>\u00a0us d\u00f3na m\u00e9s control per definir els camps de la taula. Per canviar a aquesta vista, fes clic dret a la pestanya del document que diu \u201cTaula1\u201d (a dalt, on apareix la taula oberta) i selecciona\u00a0<span style=\"font-weight: bolder;\">Vista Disseny<\/span>. En fer-ho, Access et demanar\u00e0\u00a0<span style=\"font-weight: bolder;\">desar la taula<\/span>\u00a0si encara no ho has fet. Escriu el nom\u00a0<span style=\"font-weight: bolder;\">\u201cLlibres\u201d<\/span>\u00a0i accepta. Ara veur\u00e0s la quadr\u00edcula de disseny de la taula: a la part superior apareixen dues columnes on definir\u00e0s\u00a0<span style=\"font-weight: bolder;\">Nom del camp<\/span>\u00a0y\u00a0<span style=\"font-weight: bolder;\">Tipus de dades<\/span>\u00a0de cada camp; a la part inferior apareixeran propietats addicionals del camp (per ara, ens centrarem a la part superior).\u00a0<\/div><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\"><span style=\"font-weight: bolder;\">3. Defineix els camps de la taula \u201cLlibres\u201d<\/span><br \/>Aquesta \u00e9s la part m\u00e9s important: decidir\u00e0s quines dades concretes guardar\u00e0s de cada llibre, i configurar cada camp a la taula. Seguint el nostre pla per a la biblioteca, introduirem almenys\u00a0<span style=\"font-weight: bolder;\">5 camps<\/span>\u00a0a la taula\u00a0<span style=\"font-weight: bolder;\">Llibres<\/span>:<\/div><ul style=\"font-size: 16px;\"><li class=\"___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf\" style=\"font-size: 16px;\"><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\"><span style=\"font-weight: bolder;\">IDLlibre<\/span>\u00a0\u2013 Tipus de dades:\u00a0<em>Autonum\u00e8ric<\/em>. Aquest camp ser\u00e0 la\u00a0<span style=\"font-weight: bolder;\">clau prim\u00e0ria<\/span>\u00a0de la taula, \u00e9s a dir, un identificador \u00fanic per a cada llibre. De fet, Access sol crear autom\u00e0ticament un camp de tipus autonum\u00e8ric anomenat \u00abId\u00bb com a clau prim\u00e0ria per defecte. Podem aprofitar-ho: simplement canvia el nom \u201cId\u201d a \u201cIDLibro\u201d. El tipus Autonum\u00e8ric far\u00e0 que Access assigni un n\u00famero seq\u00fcencial (1, 2, 3, \u2026) a cada registre nou, garantint que no es repeteixi.\u00a0<span style=\"font-weight: bolder;\">Clau prim\u00e0ria<\/span>\u00a0vol dir que no hi haur\u00e0 dos llibres amb el mateix ID i que aquest camp no pot quedar buit. Access marca aquest camp amb una icona de clau per indicar que \u00e9s la clau prim\u00e0ria.\u00a0<em>(Per qu\u00e8 \u00e9s important? Perqu\u00e8 assegura la\u00a0<span style=\"font-weight: bolder;\">unicitat<\/span>\u00a0de cada registre i permetr\u00e0 m\u00e9s endavant relacionar aquesta taula amb altres, per exemple vincular pr\u00e9stecs a llibres pel vostre ID.)<\/em><\/div><\/li><li class=\"___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf\" style=\"font-size: 16px;\"><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\"><span style=\"font-weight: bolder;\">T\u00edtol<\/span>\u00a0\u2013 Tipus de dades:\u00a0<em>Text curt<\/em>. Aqu\u00ed anir\u00e0 el t\u00edtol del llibre. El tipus Text curt permet escriure fins a 255 car\u00e0cters, suficient per a pr\u00e0cticament qualsevol t\u00edtol. A l&#039;hora de definir-ho a la vista Disseny, escriu\u00a0<span style=\"font-weight: bolder;\">T\u00edtol<\/span>\u00a0a \u201cNom del camp\u201d i selecciona\u00a0<span style=\"font-weight: bolder;\">Text curt<\/span>\u00a0a \u201cTipus de dades\u201d. Aquest camp no ser\u00e0 \u00fanic (podr\u00edem tenir dos llibres amb el mateix t\u00edtol, per exemple diferents edicions de\u00a0<em>\u201cDon Quixot\u201d<\/em>), per\u00f2 aix\u00f2 no \u00e9s problema perqu\u00e8 l&#039;IDLibro ja els diferenciaria.<\/div><\/li><li class=\"___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf\" style=\"font-size: 16px;\"><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\"><span style=\"font-weight: bolder;\">Autor<\/span>\u00a0\u2013 Tipus de dades:\u00a0<em>Text curt<\/em>. Per desar el nom de lautor o autora del llibre. Novament, 255 car\u00e0cters s\u00f3n m\u00e9s que suficients. Podries separar nom i cognoms en dos camps diferents si volguessis m\u00e9s detall, per\u00f2 per a aquest nivell b\u00e0sic amb un sol camp \u201cAutor\u201d ens val.<\/div><\/li><li class=\"___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf\" style=\"font-size: 16px;\"><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\"><span style=\"font-weight: bolder;\">Any<\/span>\u00a0\u2013 Tipus de dades:\u00a0<em>N\u00famero<\/em>. Guardarem l&#039;any de publicaci\u00f3 del llibre com un n\u00famero (podem triar subtipus Sencer, ja que seran anys com 1995, 2007, etc.). Usar un camp num\u00e8ric \u00e9s \u00fatil si voldr\u00edem despr\u00e9s fer c\u00e0lculs o filtres num\u00e8rics (per exemple, \u201cmostra&#039;m llibres publicats abans del 2010\u201d). Alternativament, podries fer servir un tipus\u00a0<span style=\"font-weight: bolder;\">Data\/Hora<\/span>\u00a0si volguessis registrar la data exacta (dia\/mes\/any) de publicaci\u00f3, per\u00f2 en aquest exemple nom\u00e9s ens interessa l&#039;any, aix\u00ed que un nombre enter \u00e9s m\u00e9s simple.<\/div><\/li><li class=\"___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf\" style=\"font-size: 16px;\"><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\"><span style=\"font-weight: bolder;\">Categoria<\/span>\u00a0\u2013 Tipus de dades:\u00a0<em>Text curt<\/em>. Indica el g\u00e8nere o categoria del llibre (per exemple: Novel\u00b7la, Poesia, Assaig, Infantil\u2026). Aquest camp ens permetria despr\u00e9s filtrar o agrupar llibres per tipus. Podr\u00edem tamb\u00e9 plantejar-ho com una llista desplegable d&#039;opcions prefixes mitjan\u00e7ant \u201cAssistent per cerca\u201d, per\u00f2 aix\u00f2 ho deixarem per m\u00e9s endavant; de moment simplement text lliure.<\/div><\/li><li class=\"___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf\" style=\"font-size: 16px;\"><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\"><span style=\"font-weight: bolder;\">Disponible<\/span>\u00a0\u2013 Tipus de dades:\u00a0<em>S\u00ed\/No<\/em>. Aquest camp ens indicar\u00e0 si el llibre\u00a0<span style=\"font-weight: bolder;\">est\u00e0 disponible<\/span>\u00a0a la biblioteca o si est\u00e0 prestat actualment. El tipus S\u00ed\/No a Access \u00e9s un valor boole\u00e0 (veritable\/fals) que sol mostrar-se com una casella de verificaci\u00f3. Si la casella est\u00e0 marcada (S\u00ed), vol dir que el llibre est\u00e0 disponible a la prestatgeria; si est\u00e0 desmarcada (No), significa que el llibre\u00a0<span style=\"font-weight: bolder;\">no<\/span> est\u00e0 disponible (prestat o en manteniment). <em>(Nota: internament Access maneja S\u00ed com -1 i No com 0, per\u00f2 aix\u00f2 no \u00e9s una cosa del que t&#039;hagis de preocupar en introduir dades; simplement marcar\u00e0s o no la casella<\/em>).<\/div><\/li><\/ul><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\">Introdu\u00efu aquests camps un per un a la vista Disseny de la taula. Veur\u00e0s que, conforme escrius el\u00a0<span style=\"font-weight: bolder;\">Nom del camp<\/span>, a la columna de\u00a0<span style=\"font-weight: bolder;\">Tipus de dades<\/span>\u00a0podeu triar el tipus des d&#039;un desplegable. Tamb\u00e9 notar\u00e0s que a la primera fila, on vas posar\u00a0<span style=\"font-weight: bolder;\">IDLlibre<\/span>, Access ja ho haur\u00e0 marcat com a clau prim\u00e0ria (si no fos aix\u00ed per alguna ra\u00f3, pots fer clic en aquest camp i despr\u00e9s pr\u00e9mer el bot\u00f3 de\u00a0<span style=\"font-weight: bolder;\">Clau principal<\/span>\u00a0a la cinta d&#039;opcions, pestanya\u00a0<em>Disseny<\/em>).<\/div><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\">Un petit detall: fixa&#039;t que estem usant\u00a0<span style=\"font-weight: bolder;\">noms descriptius i concisos<\/span>:\u00a0<em>IDLlibre, T\u00edtol, Autor, Any, Categoria, Disponible<\/em>. \u00c9s recomanable seguir aquesta pr\u00e0ctica en anomenar camps. Evita noms gen\u00e8rics com \u201cCamp1\u201d o noms excessivament llargs. Per exemple, \u00e9s millor\u00a0<span style=\"font-weight: bolder;\">\u201cDataPublicaci\u00f3\u201d<\/span>\u00a0que\u00a0<span style=\"font-weight: bolder;\">\u201cData en qu\u00e8 es va publicar el llibre\u201d<\/span>; tamb\u00e9 conv\u00e9 no fer servir car\u00e0cters especials ni espais en blanc en els noms de camps, per evitar possibles confusions m\u00e9s endavant (Access permet espais, per\u00f2 molts desenvolupadors prefereixen\u00a0<em>no<\/em>\u00a0usar-los i en lloc de \u201cNom del Llibre\u201d posarien \u201cNomLibro\u201d o \u201cTituloLibro\u201d). La coher\u00e8ncia en els noms us ajudar\u00e0 quan tingueu moltes taules i camps.\u00a0<\/div><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\"><span style=\"font-weight: bolder;\">4. Guarda la taula<\/span><br \/>Encara que ja li vas donar nom en passar a vista Disseny, assegura&#039;t de\u00a0<span style=\"font-weight: bolder;\">desar l&#039;estructura de la taula<\/span>\u00a0(per exemple, clic a la icona de disquet o Ctrl+G). A partir d&#039;ara, la taula Llibres formar\u00e0 part de la vostra base de dades i apareixer\u00e0 llistada al panell de navegaci\u00f3 d&#039;Access.<\/div><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\"><span style=\"font-weight: bolder;\">5. Introdueix dades (registres) a la taula<\/span><br \/>Va arribar el moment d&#039;afegir alguns llibres d&#039;exemple a la nostra base de dades! Canvia de nou a la\u00a0<span style=\"font-weight: bolder;\">vista Full de dades<\/span>\u00a0per introduir registres (pots fer-ho tancant la vista Disseny i fent doble clic a la taula \u201cLlibres\u201d al panell de navegaci\u00f3, o b\u00e9 des de la pestanya\u00a0<em>Inici<\/em>\u00a0&gt; bot\u00f3\u00a0<em>Vista<\/em>\u00a0&gt; Full de dades). Veureu la quadr\u00edcula de dades amb les columnes que heu definit. A la primera columna,\u00a0<span style=\"font-weight: bolder;\">IDLlibre<\/span>, Access anir\u00e0 assignant autom\u00e0ticament els n\u00fameros d&#039;ID a mesura que crees nous registres, de manera que tu nom\u00e9s has d&#039;emplenar les altres columnes.<\/div><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\">Hi afegirem\u00a0<span style=\"font-weight: bolder;\">tres llibres d&#039;exemple<\/span>\u00a0per poblar la nostra taula:<\/div><ul style=\"font-size: 16px;\"><li class=\"___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf\" style=\"font-size: 16px;\">Registre 1:\u00a0<em>T\u00edtol<\/em>:\u00a0<span style=\"font-weight: bolder;\">Cent anys de soledat<\/span>\u00a0\u2013\u00a0<em>Autor<\/em>: Gabriel Garc\u00eda M\u00e1rquez \u2013\u00a0<em>Any<\/em>: 1967 \u2013\u00a0<em>Categoria<\/em>: Novel\u00b7la \u2013\u00a0<em>Disponible<\/em>: No (casella sense marcar, suposant que aquest llibre est\u00e0 prestat actualment).<\/li><li class=\"___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf\" style=\"font-size: 16px;\">Registre 2:\u00a0<em>T\u00edtol<\/em>:\u00a0<span style=\"font-weight: bolder;\">Don Quixot de la Manxa<\/span>\u00a0\u2013\u00a0<em>Autor<\/em>: Miguel de Cervantes \u2013\u00a0<em>Any<\/em>: 1605 \u2013\u00a0<em>Categoria<\/em>: Cl\u00e0ssic \u2013\u00a0<em>Disponible<\/em>: S\u00ed (casella marcada, el llibre est\u00e0 disponible a la biblioteca).<\/li><li class=\"___ccc16d0 fje8fi8 f1ng9h0j f1bwykku f18jd3zf\" style=\"font-size: 16px;\">Registre 3:\u00a0<em>T\u00edtol<\/em>:\u00a0<span style=\"font-weight: bolder;\">L&#039;ombra del vent<\/span>\u00a0\u2013\u00a0<em>Autor<\/em>: Carlos Ruiz Zaf\u00f3n \u2013\u00a0<em>Any<\/em>: 2001 \u2013\u00a0<em>Categoria<\/em>: Novel\u00b7la \u2013\u00a0<em>Disponible<\/em>: S\u00ed (disponible).<\/li><\/ul><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\">Podeu introduir aquestes dades fila per fila. A mesura que omples una fila i passes a la seg\u00fcent, Access guardar\u00e0 el registre. Observa com el camp\u00a0<span style=\"font-weight: bolder;\">IDLlibre<\/span>\u00a0s&#039;emplena sol: 1 per al primer llibre, 2 per al segon, 3 per al tercer, etc. Aix\u00ed quedaria la teva taula\u00a0<span style=\"font-weight: bolder;\">Llibres<\/span>\u00a0despr\u00e9s d&#039;afegir els tres registres d&#039;exemple:<\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8175d3c elementor-widget elementor-widget-tablepress-table\" data-id=\"8175d3c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tablepress-table.default\">\n\t\t\t\t\t\n<table id=\"tablepress-2\" class=\"tablepress tablepress-id-2\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">IDLlibre<\/th><th class=\"column-2\">T\u00edtol<\/th><th class=\"column-3\">Autor<\/th><th class=\"column-4\">Any<\/th><th class=\"column-5\">Categoria<\/th><th class=\"column-6\">Disponible<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\">Cent anys de soledat<\/td><td class=\"column-3\">Gabriel Garc\u00eda M\u00e1rquez<\/td><td class=\"column-4\">1967<\/td><td class=\"column-5\">Novel\u00b7la<\/td><td class=\"column-6\">No<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">2<\/td><td class=\"column-2\">Don Quixot de la Manxa<\/td><td class=\"column-3\">Miguel de Cervantes<\/td><td class=\"column-4\">1605<\/td><td class=\"column-5\">Cl\u00e0ssic<\/td><td class=\"column-6\">S\u00ed<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">3<\/td><td class=\"column-2\">L&#039;ombra del vent<\/td><td class=\"column-3\">Carlos Ruiz Zaf\u00f3n<\/td><td class=\"column-4\">2001<\/td><td class=\"column-5\">Novel\u00b7la<\/td><td class=\"column-6\">S\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-2 from cache -->\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-03b1c79 e-con-full e-flex e-con e-child\" data-id=\"03b1c79\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-f1d4f5b e-con-full e-flex e-con e-child\" data-id=\"f1d4f5b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-76ac3fe elementor-widget elementor-widget-heading\" data-id=\"76ac3fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Anomena b\u00e9 els teus camps<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-490fcb8 elementor-widget elementor-widget-text-editor\" data-id=\"490fcb8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Usa\u00a0<strong>noms clars i significatius<\/strong> per a cada camp. Per exemple, en lloc de \u00abCamp1\u00bb, anomena el camp segons el seu contingut: \u00abT\u00edtol\u00bb, \u00abAutor\u00bb, \u00abDataPublicaci\u00f3\u00bb, etc. Evita, en la mesura del possible, <strong>accents, espais en blanc o car\u00e0cters especials<\/strong> en els noms; si necessiteu separar paraules, podeu utilitzar maj\u00fascules intercalades (DataComanda) o guions baixos (Data_comanda, data_comanda o Data_Comanda). Un bon nom ajuda a fer que el disseny sigui comprensible i evita confusions en crear consultes o f\u00f3rmules m\u00e9s endavant.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-51d0d50 e-con-full e-flex e-con e-child\" data-id=\"51d0d50\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3e21344 elementor-widget elementor-widget-heading\" data-id=\"3e21344\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Trieu el tipus de dades adequat<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f43599 elementor-widget elementor-widget-text-editor\" data-id=\"9f43599\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Cada camp ha de tenir un tipus de dades d&#039;acord amb la informaci\u00f3 que voleu emmagatzemar. Si \u00e9s text (noms, t\u00edtols, categories), tria\u00a0<strong>Text curt<\/strong>. Si s\u00f3n n\u00fameros amb qu\u00e8 far\u00e0s c\u00e0lculs (imports, quantitats, anys), fes servir\u00a0<strong>N\u00famero<\/strong>. Per dates,\u00a0<strong>Data\/Hora<\/strong>. Per a valors \u00abveritable\/fals\u00bb, el tipus\u00a0<strong>S\u00ed\/No<\/strong> \u00e9s l&#039;indicat.<\/p><p>Usar el tipus correcte assegura que Access gestioni eficientment la informaci\u00f3 (per exemple, podreu sumar o filtrar correctament si el camp \u00e9s num\u00e8ric o mostrar una casella si \u00e9s S\u00ed\/No).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d47f2b1 e-con-full e-flex e-con e-child\" data-id=\"d47f2b1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed39435 elementor-widget elementor-widget-heading\" data-id=\"ed39435\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Defineix una clau prim\u00e0ria<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-773700c elementor-widget elementor-widget-text-editor\" data-id=\"773700c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00c9s altament recomanable que cada taula tingui un camp que actu\u00ef com\u00a0<strong>clau prim\u00e0ria<\/strong>. La clau prim\u00e0ria \u00e9s un valor \u00fanic per registre (en el nostre cas <em>IDLlibre<\/em>) que mai no es repeteix. Access sol proposar-ne un per defecte (Autonum\u00e8ric). Per qu\u00e8 importa? Perqu\u00e8 garanteix la\u00a0<strong>unicitat<\/strong>\u00a0dels registres (no hi haur\u00e0 dos llibres amb el mateix ID) i permet\u00a0<strong>relacionar taules<\/strong>\u00a0f\u00e0cilment (per exemple, vincular que el llibre que se li ha prestat a Pepi correspon a l&#039;ID n\u00famero 5). Si l&#039;Access no et va crear una autom\u00e0ticament, pots crear tu un camp Autonum\u00e8ric i establir-lo manualment com a clau prim\u00e0ria.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b576a85 elementor-widget elementor-widget-text-editor\" data-id=\"b576a85\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Amb aquests principis al cap, estar\u00e0s construint taules s\u00f2lides i ben organitzades. Un disseny cur\u00f3s des de l&#039;inici evita molts maldecaps en el futur (com dades duplicades, dificultats per buscar informaci\u00f3, o problemes en creuar dades de diverses taules).\u00a0<strong>Access<\/strong>\u00a0us ofereix molta flexibilitat, per\u00f2 sempre \u00e9s bo seguir les bones pr\u00e0ctiques de disseny de bases de dades: noms consistents, tipus de dades correctes i claus prim\u00e0ries definides.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9e21918 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"9e21918\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">autoavaluaci\u00f3<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a642c6a elementor-widget elementor-widget-text-editor\" data-id=\"a642c6a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\"><strong>Aix\u00f2 \u00e9s tot per ara!<\/strong>\u00a0Amb la teva taula\u00a0<strong>Llibres<\/strong>\u00a0creada i aquests conceptes clars, ja tens els fonaments de la teva base de dades. Practica afegint alguns llibres m\u00e9s o creant una altra taula senzilla (per exemple, una taula de \u201cSocis\u201d de la biblioteca amb camps com ara IDSocio, Nom, Email\u2026). En el proper article, aprendrem a\u00a0<strong>modificar l&#039;estructura de les taules i crear relacions<\/strong>\u00a0entre elles, de manera que puguem vincular, per exemple, quin soci t\u00e9 prestat cada llibre. De mica en mica, el teu projecte de base de dades anir\u00e0 prenent forma!<\/div><div class=\"paragraph-in-scc-markdown-text ___1ngh792 ftgm304 f1iaxwol\">Continua experimentant i recorda: una bona taula \u00e9s la millor aliada duna base de dades <img decoding=\"async\" class=\"emoji\" role=\"img\" draggable=\"false\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/17.0.2\/svg\/1f609.svg\" alt=\"\ud83d\ude09\" \/>. Ens veiem a la seg\u00fcent entrega!<\/div><div>\u00a0<\/div><div><hr \/><h2>Bibliografia i webgrafia<\/h2><ul><li>Miranda. (2026).\u00a0<a href=\"https:\/\/www.lideresdemirandabbc.com\/como-hacer-una-tabla-de-base-de-datos-en-access\/\"><em><span style=\"color: #333333;\">Com crear una taula de base de dades a l&#039;Access?<\/span><\/em><\/a><\/li><li>Microsoft Support. (sf). <span style=\"color: #333333;\"><a style=\"color: #333333;\" href=\"https:\/\/support.microsoft.com\/es-es\/topic\/crear-una-tabla-y-agregar-campos-8fdc65f9-8d40-4ff5-9212-80e6545e8d87\">Crear una taula i afegir camps<\/a><\/span>.\u00a0<\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Ahora que ya sabes\u00a0qu\u00e9 es una base de datos\u00a0en t\u00e9rminos generales, es momento de pasar a la acci\u00f3n. Empezaremos por el fundamento de toda base de datos:\u00a0la tabla. En este art\u00edculo aprender\u00e1s, paso a paso y de forma sencilla, c\u00f3mo crear tu primera tabla en Microsoft Access. Usaremos como ejemplo pr\u00e1ctico una peque\u00f1a\u00a0base de datos [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-3882","post","type-post","status-publish","format-standard","hentry","category-access"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2. Organiza tus datos: crea tu primera tabla en Access - Datissima<\/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:\/\/datissima.tech\/ca\/organiza-tus-datos\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2. 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