{"id":7672,"date":"2021-09-20T10:11:38","date_gmt":"2021-09-20T08:11:38","guid":{"rendered":"https:\/\/www.vita.sk\/?post_type=product&#038;p=7672"},"modified":"2026-02-12T14:20:28","modified_gmt":"2026-02-12T13:20:28","slug":"online-kurz-jazyk-sql-i-zaciatocnik","status":"publish","type":"product","link":"https:\/\/www.vita.sk\/en\/online-kurz-jazyk-sql-i-zaciatocnik\/","title":{"rendered":"Online kurz Jazyk SQL I. Za\u010diato\u010dn\u00edk"},"content":{"rendered":"<p>Online kurz Jazyk SQL I. Za\u010diato\u010dn\u00edk je pre v\u00e1s ide\u00e1lny, ak sa chcete nau\u010di\u0165 pracova\u0165 s datab\u00e1zami, porozumie\u0165 datab\u00e1zov\u00fdm syst\u00e9mom a zvl\u00e1dnu\u0165 z\u00e1klady jazyka SQL potrebn\u00e9 pre pr\u00e1cu s d\u00e1tami. <strong>Ide o akreditovan\u00fd a certifikovan\u00fd kurz na Jazyk SQL<\/strong>. V kurze sa zameriavame na pochopenie princ\u00edpov datab\u00e1z a datab\u00e1zov\u00fdch syst\u00e9mov DBMS a RDBMS, orient\u00e1ciu v typoch datab\u00e1z a identifik\u00e1ciu pou\u017e\u00edvan\u00fdch datab\u00e1zov\u00fdch technol\u00f3gi\u00ed v praxi. Nau\u010d\u00edme sa prip\u00e1ja\u0165 k datab\u00e1zam pomocou n\u00e1stroja DBeaver a efekt\u00edvne sa orientova\u0165 v datab\u00e1zovom prostred\u00ed. Osvoj\u00edme si z\u00e1klady jazyka SQL, \u0161trukt\u00faru SQL skriptov a p\u00edsanie prv\u00fdch dopytov vr\u00e1tane pr\u00e1ce s pr\u00edkazmi SELECT, USE a oper\u00e1torom IN. Zameriame sa na pou\u017e\u00edvanie agrega\u010dn\u00fdch funkci\u00ed, zoskupovanie d\u00e1t pomocou GROUP BY a tvorbu preh\u013eadn\u00fdch v\u00fdstupov z datab\u00e1z. Nau\u010d\u00edme sa pracova\u0165 s vypo\u010d\u00edtavan\u00fdmi po\u013eami, zabudovan\u00fdmi funkciami, \u0161peci\u00e1lnymi znakmi, Unicode a rozsahmi hodn\u00f4t pomocou pr\u00edkazu BETWEEN. D\u00f4raz kladieme na spr\u00e1vne form\u00e1tovanie SQL skriptov, pou\u017e\u00edvanie snippetov a \u010ditate\u013en\u00fa \u0161trukt\u00faru dopytov. S\u00fa\u010das\u0165ou kurzu je aj pr\u00e1ca s datab\u00e1zou MySQL, vytv\u00e1ranie datab\u00e1z a pou\u017e\u00edvanie n\u00e1stroja phpMyAdmin vr\u00e1tane pr\u00e1ce s konzolou. Z\u00edskame pevn\u00e9 z\u00e1klady pre \u010fal\u0161ie \u0161t\u00fadium datab\u00e1z, d\u00e1tovej analytiky a v\u00fdvoja aplik\u00e1ci\u00ed pracuj\u00facich s d\u00e1tami. Ak sa chcete skuto\u010dne nau\u010di\u0165 pracova\u0165 s datab\u00e1zami a sta\u0165 sa SQL za\u010diato\u010dn\u00edkom s pevn\u00fdm z\u00e1kladom, tak toto je ide\u00e1lny vstupn\u00fd online kurz pre v\u00e1s.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Z\u00edskame pevn\u00e9 z\u00e1klady pr\u00e1ce s datab\u00e1zami a jazykom SQL, nau\u010d\u00edme sa p\u00edsa\u0165 z\u00e1kladn\u00e9 dopyty, pracova\u0165 s MySQL a efekt\u00edvne analyzova\u0165 d\u00e1ta pomocou SQL.","protected":false},"author":4,"featured_media":4265,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[55,49,73],"product_tag":[188,347],"class_list":{"0":"post-7672","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-online-kurzy-sql","7":"product_cat-online-kurzy-databazy-statistika-analytika","8":"product_cat-bez-kategorie","9":"product_tag-databazy-a-analytika","10":"product_tag-sql","12":"first","13":"instock","14":"sale","15":"sold-individually","16":"taxable","17":"shipping-taxable","18":"purchasable","19":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v25.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Online kurz Jazyk SQL I. 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