{"id":5824,"date":"2023-08-25T00:00:00","date_gmt":"2023-08-25T00:00:00","guid":{"rendered":"https:\/\/tech-lib.eu\/tech\/group-by-in-access-komplexni-pruvodce-seskupovanim-dat\/"},"modified":"2023-08-25T00:00:00","modified_gmt":"2023-08-25T00:00:00","slug":"group-by-in-access-komplexni-pruvodce-seskupovanim-dat","status":"publish","type":"post","link":"https:\/\/tech-lib.eu\/tech\/group-by-in-access-komplexni-pruvodce-seskupovanim-dat\/","title":{"rendered":"Group By in Access. Komplexn\u00ed pr\u016fvodce seskupov\u00e1n\u00edm dat"},"content":{"rendered":"
\n
Jak seskupit Data v kontingen\u010dn\u00ed tabulce?<\/div>\n
V kontingen\u010dn\u00ed tabulce klikn\u011bte prav\u00fdm tla\u010d\u00edtkem my\u0161i na hodnotu a vyberte Seskupit. V poli Seskupit za\u0161krtn\u011bte pol\u00ed\u010dka Za\u010d\u00e1tek a Konec a v p\u0159\u00edpad\u011b pot\u0159eby upravte p\u0159\u00edslu\u0161n\u00e9 hodnoty. Cached<\/div>\n
\n\t\t\t\t\t Dal\u0161\u00ed informace najdete na<\/span> support.microsoft.com<\/a>\n\t\t\t\t<\/div>\n<\/p><\/div>\n
\n
<\/div>\n

Pomoc\u00ed robustn\u00edho syst\u00e9mu pro spr\u00e1vu datab\u00e1z\u00ed Access mohou u\u017eivatel\u00e9 snadno ukl\u00e1dat, na\u010d\u00edtat a manipulovat s daty. Schopnost seskupovat data je kl\u00ed\u010dovou sou\u010d\u00e1st\u00ed syst\u00e9mu Access, proto\u017ee umo\u017e\u0148uje u\u017eivatel\u016fm smyslupln\u011b vyhodnocovat a shrnovat data. V tomto kurzu se pod\u00edv\u00e1me na to, jak seskupovat data ve formul\u00e1\u0159\u00edch aplikace Access a jak pou\u017e\u00edvat klauzuli Group By v dotazech. <\/p>\n

Jak by m\u011bl b\u00fdt v programu Access naps\u00e1n dotaz typu Group By? <\/div>\n

P\u0159ed naps\u00e1n\u00edm dotazu Group By je nutn\u00e9 v aplikaci Access vytvo\u0159it nov\u00fd dotaz nebo otev\u0159\u00edt ji\u017e existuj\u00edc\u00ed dotaz. V dialogov\u00e9m okn\u011b „Zobrazit tabulku“ v zobrazen\u00ed n\u00e1vrhu dotazu vyberte tabulku nebo tabulky, kter\u00fdch se chcete dotazovat. Pole, kter\u00e1 chcete zahrnout do v\u00fdsledk\u016f dotazu, m\u016f\u017eete zadat po vytvo\u0159en\u00ed po\u017eadovan\u00fdch tabulek. <\/p>\n

<\/div>\n

Klepn\u011bte prav\u00fdm tla\u010d\u00edtkem my\u0161i na pole, kter\u00e9 chcete seskupit, a z kontextov\u00e9 nab\u00eddky vyberte „Seskupit podle“, abyste pou\u017eili klauzuli Seskupit podle. Dal\u0161\u00ed mo\u017enost\u00ed je tla\u010d\u00edtko „Seskupit podle“ na panelu n\u00e1stroj\u016f N\u00e1vrh dotazu. V d\u016fsledku toho se vedle pole objev\u00ed mal\u00fd symbol „“, kter\u00fd ozna\u010duje, \u017ee je sou\u010d\u00e1st\u00ed seskupen\u00ed. Jak v aplikaci Access seskupovat podle a po\u010d\u00edtat? <\/p>\n

Po\u010d\u00edt\u00e1n\u00ed a seskupov\u00e1n\u00ed dat v aplikaci Access je mo\u017en\u00e9 kombinac\u00ed klauzule Group By a funkce Count. Ta umo\u017e\u0148uje ur\u010dit, kolikr\u00e1t se ur\u010dit\u00e1 hodnota objev\u00ed v poli nebo skupin\u011b pol\u00ed. <\/div>\n

Pro po\u010d\u00edt\u00e1n\u00ed a seskupov\u00e1n\u00ed dat v aplikaci Access m\u016f\u017eete pou\u017e\u00edt stejn\u00e9 postupy, jak\u00e9 byly pops\u00e1ny v\u00fd\u0161e pro sestaven\u00ed dotazu Group By. Pole, kter\u00e9 chcete po\u010d\u00edtat, mus\u00ed b\u00fdt tak\u00e9 p\u0159id\u00e1no do n\u00e1vrhov\u00e9 m\u0159\u00ed\u017eky dotazu. Chcete-li spo\u010d\u00edtat instance tohoto pole, zm\u011b\u0148te v m\u0159\u00ed\u017ece n\u00e1vrhu dotazu \u0159\u00e1dek „Celkem“ pro toto pole na „Po\u010d\u00edtat“. <\/p>\n

<\/div>\n

Uva\u017eujte p\u0159\u00edpad, kdy m\u00e1te datab\u00e1zi s n\u00e1zvem „Prodej“, kter\u00e1 obsahuje pole jako „V\u00fdrobek“, „Kategorie“ a „Mno\u017estv\u00ed“. Seskupili byste podle pole „Kategorie“ a pou\u017eili byste „Count“ pro pole „Mno\u017estv\u00ed“, abyste spo\u010d\u00edtali po\u010det prodej\u016f pro ka\u017edou kategorii v\u00fdrobk\u016f. <\/p>\n

Jak mohu ve formul\u00e1\u0159i Access seskupit polo\u017eky? <\/div>\n

Kdy\u017e chcete systematicky uspo\u0159\u00e1dat a zobrazit data, m\u016f\u017ee b\u00fdt u\u017eite\u010dn\u00e9 seskupen\u00ed polo\u017eek ve formul\u00e1\u0159i Access. K seskupov\u00e1n\u00ed objekt\u016f lze pou\u017e\u00edt vestav\u011bnou funkci Seskupov\u00e1n\u00ed ve formul\u00e1\u0159i Access. <\/p>\n

<\/div>\n

Za\u010dn\u011bte kliknut\u00edm prav\u00fdm tla\u010d\u00edtkem my\u0161i na formul\u00e1\u0159 a v\u00fdb\u011brem mo\u017enosti „N\u00e1vrhov\u00e9 zobrazen\u00ed“ z kontextov\u00e9 nab\u00eddky, \u010d\u00edm\u017e jej otev\u0159ete v n\u00e1vrhov\u00e9m zobrazen\u00ed. Pot\u00e9 vyberte ovl\u00e1dac\u00ed prvky nebo pole, kter\u00e9 chcete seskupit. Po v\u00fdb\u011bru vyberte tla\u010d\u00edtko „Seskupit“, kter\u00e9 se nach\u00e1z\u00ed ve skupin\u011b „Uspo\u0159\u00e1dat“ na kart\u011b „Form\u00e1t“ na p\u00e1su karet. Vybran\u00e9 polo\u017eky budou ve v\u00fdsledku seskupeny. <\/p>\n

<\/div>\n

V\u00fdb\u011brem polo\u017eky „Vlastnosti“ z kontextov\u00e9 nab\u00eddky po kliknut\u00ed prav\u00fdm tla\u010d\u00edtkem my\u0161i na skupinu m\u016f\u017eete d\u00e1le m\u011bnit jej\u00ed vzhled, nap\u0159\u00edklad m\u011bnit z\u00e1hlav\u00ed a z\u00e1pat\u00ed. To v\u00e1m umo\u017en\u00ed p\u0159idat ovl\u00e1dac\u00ed prvky, kter\u00e9 jsou specifick\u00e9 pro seskupen\u00e9 prvky, nap\u0159\u00edklad popisky, v\u00fdpo\u010dty nebo jin\u00e9 ovl\u00e1dac\u00ed prvky. <\/p>\n

Kde se v aplikaci Access nach\u00e1z\u00ed tla\u010d\u00edtko Seskupit? <\/div>\n

Tla\u010d\u00edtko „Seskupit“ v aplikaci Access lze nal\u00e9zt ve skupin\u011b „Uspo\u0159\u00e1dat“ na kart\u011b „Form\u00e1t“ na p\u00e1su karet. Jako jeho reprezentace slou\u017e\u00ed ikona, kter\u00e1 vypad\u00e1 jako dva p\u0159ekr\u00fdvaj\u00edc\u00ed se obd\u00e9ln\u00edky. Klepnut\u00edm na toto tla\u010d\u00edtko m\u016f\u017eete seskupit ur\u010dit\u00e9 prvky ve formul\u00e1\u0159i nebo sestav\u011b aplikace Access. <\/p>\n

<\/div>\n

Krom\u011b tla\u010d\u00edtka Seskupit nyn\u00ed poskytuje p\u0159\u00edstup k mo\u017enostem seskupov\u00e1n\u00ed i kontextov\u00e1 nab\u00eddka prav\u00e9ho tla\u010d\u00edtka my\u0161i. Sta\u010d\u00ed prov\u00e9st kliknut\u00ed prav\u00fdm tla\u010d\u00edtkem my\u0161i na vybran\u00e9 objekty a z nab\u00eddky vybrat mo\u017enost „Seskupit“. <\/p>\n

<\/div>\n

Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee seskupov\u00e1n\u00ed dat v aplikaci Access je \u00fa\u010dinnou metodou anal\u00fdzy a destilace informac\u00ed. U\u017eivatel\u00e9 mohou seskupovat data na z\u00e1klad\u011b konkr\u00e9tn\u00edch pol\u00ed nebo skupin pol\u00ed pomoc\u00ed klauzule Group By v dotazech. Formul\u00e1\u0159e Access tak\u00e9 nab\u00edzej\u00ed snadn\u00fd p\u0159\u00edstup k uspo\u0159\u00e1d\u00e1n\u00ed objekt\u016f a organizovan\u00e9 prezentaci dat. Seskupov\u00e1n\u00ed v aplikaci Access m\u016f\u017ee v\u00fdrazn\u011b zlep\u0161it va\u0161i schopnost analyzovat data, a\u0165 u\u017e pot\u0159ebujete po\u010d\u00edtat p\u0159\u00edpady, prov\u00e1d\u011bt v\u00fdpo\u010dty nebo jednodu\u0161e uspo\u0159\u00e1dat data.<\/p><\/div>\n

\n
FAQ<\/div>\n
\n
Jak v aplikaci Access p\u0159id\u00e1te GROUP BY a t\u0159\u00edd\u011bn\u00ed podle?<\/div>\n

Pro p\u0159id\u00e1n\u00ed klauzule GROUP BY a t\u0159\u00edd\u011bn\u00ed podle m\u016f\u017eete v aplikaci Access prov\u00e9st n\u00e1sleduj\u00edc\u00ed akce: Prvn\u00edm krokem je otev\u0159en\u00ed datab\u00e1ze Access a p\u0159echod do n\u00e1vrh\u00e1\u0159e dotaz\u016f. 2. Otev\u0159ete existuj\u00edc\u00ed dotaz nebo spus\u0165te nov\u00fd. 3. V dialogov\u00e9m okn\u011b „Zobrazit tabulku“ vyberte tabulky, kter\u00fdch se chcete dotazovat. <\/p>\n

<\/div>\n

4. P\u0159et\u00e1hn\u011bte po\u017eadovan\u00e1 pole do m\u0159\u00ed\u017eky n\u00e1vrh\u00e1\u0159e dotaz\u016f. 5. Vyberte pole, kter\u00e1 chcete pou\u017e\u00edt k uspo\u0159\u00e1d\u00e1n\u00ed dat. 6. Z kontextov\u00e9 nab\u00eddky, kter\u00e1 se zobraz\u00ed po kliknut\u00ed prav\u00fdm tla\u010d\u00edtkem my\u0161i na m\u0159\u00ed\u017eku n\u00e1vrh\u00e1\u0159e dotaz\u016f, vyberte mo\u017enost „Group By“. Alternativn\u011b m\u016f\u017eete vybrat kartu „Query Tools“, kartu „Design“ a tla\u010d\u00edtko „Group By“. 7. Na str\u00e1nce „Query Tools“ pou\u017eijte tla\u010d\u00edtko „Sort“ pro se\u0159azen\u00ed seskupen\u00fdch dat. Pot\u00e9 se zobraz\u00ed dialogov\u00e9 okno „Se\u0159adit“. 8. V dialogov\u00e9m okn\u011b „Se\u0159adit“ vyberte pole, podle kter\u00fdch chcete \u0159adit, a zvolte sm\u011br \u0159azen\u00ed (vzestupn\u011b nebo sestupn\u011b) pro ka\u017ed\u00e9 pole. Chcete-li pou\u017e\u00edt t\u0159\u00edd\u011bn\u00ed, klikn\u011bte na tla\u010d\u00edtko „OK“. 9. Chcete-li zobrazit v\u00fdsledky s daty seskupen\u00fdmi a se\u0159azen\u00fdmi podle va\u0161ich parametr\u016f, ulo\u017ete dotaz a spus\u0165te jej. P\u0159id\u00e1n\u00edm klauzule GROUP BY a pou\u017eit\u00edm t\u0159\u00edd\u011bn\u00ed m\u016f\u017eete v programu Access efektivn\u011b seskupit data na z\u00e1klad\u011b konkr\u00e9tn\u00edch pol\u00ed a uspo\u0159\u00e1dat v\u00fdsledky v po\u017eadovan\u00e9m po\u0159ad\u00ed. <\/p>\n<\/div>\n

\n
Co je to dotaz GROUP BY?<\/div>\n

P\u0159\u00edkaz SQL zvan\u00fd GROUP BY se pou\u017e\u00edv\u00e1 k seskupen\u00ed \u0159\u00e1dk\u016f dat podle jednoho nebo v\u00edce sloupc\u016f. \u010casto se pou\u017e\u00edv\u00e1 k prov\u00e1d\u011bn\u00ed v\u00fdpo\u010dt\u016f nebo agrega\u010dn\u00edch funkc\u00ed nad seskupen\u00fdmi daty v syst\u00e9mech pro spr\u00e1vu datab\u00e1z\u00ed, jako je Access. P\u0159i pou\u017eit\u00ed klauzule GROUP BY v dotazu je mno\u017eina v\u00fdsledk\u016f rozd\u011blena do skupin na z\u00e1klad\u011b odli\u0161n\u00fdch hodnot zadan\u00fdch sloupc\u016f. To umo\u017e\u0148uje prov\u00e1d\u011bt hloubkovou anal\u00fdzu dat a vracet zhu\u0161t\u011bn\u00e9 informace, jako jsou sou\u010dty, pr\u016fm\u011bry nebo po\u010dty pro ka\u017edou kategorii.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Jak seskupit Data v kontingen\u010dn\u00ed tabulce? V kontingen\u010dn\u00ed tabulce klikn\u011bte prav\u00fdm tla\u010d\u00edtkem my\u0161i na hodnotu a vyberte Seskupit. V poli Seskupit za\u0161krtn\u011bte pol\u00ed\u010dka Za\u010d\u00e1tek a Konec a v p\u0159\u00edpad\u011b pot\u0159eby upravte p\u0159\u00edslu\u0161n\u00e9 hodnoty. Cached Dal\u0161\u00ed informace najdete na support.microsoft.com Pomoc\u00ed robustn\u00edho syst\u00e9mu pro spr\u00e1vu datab\u00e1z\u00ed Access mohou u\u017eivatel\u00e9 snadno ukl\u00e1dat, na\u010d\u00edtat a manipulovat s daty. … \u010c\u00edst d\u00e1l<\/a><\/p>\n","protected":false},"author":857,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2339],"tags":[],"class_list":["post-5824","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/5824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/users\/857"}],"replies":[{"embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/comments?post=5824"}],"version-history":[{"count":0,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/5824\/revisions"}],"wp:attachment":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/media?parent=5824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/categories?post=5824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/tags?post=5824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}