{"id":469,"date":"2021-07-01T13:19:02","date_gmt":"2021-07-01T11:19:02","guid":{"rendered":"http:\/\/vita.sk.vps202.nameserver.sk\/?post_type=product&#038;p=469"},"modified":"2026-03-06T08:11:28","modified_gmt":"2026-03-06T07:11:28","slug":"online-kurz-sql-i-zaciatocnik","status":"publish","type":"product","link":"https:\/\/www.vita.sk\/en\/online-kurz-sql-i-zaciatocnik\/","title":{"rendered":"Online kurz SQL I. Za\u010diato\u010dn\u00edk"},"content":{"rendered":"<p>Online kurz SQL I. Za\u010diato\u010dn\u00edk je pre v\u00e1s ide\u00e1lny, ak sa chcete nau\u010di\u0165 pracova\u0165 s datab\u00e1zami a p\u00edsa\u0165 efekt\u00edvne SQL dopyty od \u00fapln\u00fdch z\u00e1kladov. <strong>Ide o akreditovan\u00fd a certifikovan\u00fd kurz na SQL<\/strong>. V tomto kurze pochop\u00edte, \u010do je datab\u00e1za, ako funguj\u00fa datab\u00e1zov\u00e9 syst\u00e9my DBMS a ak\u00e9 s\u00fa rozdiely medzi MySQL, PostgreSQL \u010di SQLite. Nau\u010d\u00edte sa identifikova\u0165 typ datab\u00e1zy, pracova\u0165 s prihlasovac\u00edmi \u00fadajmi a pripoji\u0165 sa na datab\u00e1zov\u00fd server pomocou r\u00f4znych n\u00e1strojov. Osvoj\u00edte si syntax jazyka SQL, \u0161trukt\u00faru SQL dopytu a pr\u00edkazy SELECT, WHERE, BETWEEN, IN, AND \u010di LIMIT. Budete pracova\u0165 s agrega\u010dn\u00fdmi funkciami, zoskupovan\u00edm d\u00e1t pomocou GROUP BY a filtrovan\u00edm v\u00fdsledkov cez HAVING. Z\u00edskate schopnos\u0165 pou\u017e\u00edva\u0165 regul\u00e1rne v\u00fdrazy, triedenie d\u00e1t cez ORDER BY, pracova\u0165 s hodnotami NULL a vytv\u00e1ra\u0165 vypo\u010d\u00edtavan\u00e9 polia. Nau\u010d\u00edte sa pou\u017e\u00edva\u0165 d\u00e1tov\u00e9 funkcie, oper\u00e1tory, podmienky NOT IN a rie\u0161i\u0165 k\u00f3dovanie znakov vr\u00e1tane ASCII a Unicode. Pochop\u00edte, ako funguj\u00fa tabu\u013eky, st\u013apce, prim\u00e1rne k\u013e\u00fa\u010de a ako sa realizuj\u00fa oper\u00e1cie INSERT, UPDATE a import d\u00e1t. Prakticky si vysk\u00fa\u0161ate in\u0161tal\u00e1ciu a konfigur\u00e1ciu prostredia WampServer, pr\u00e1cu s phpMyAdmin a spr\u00e1vu pou\u017e\u00edvate\u013eov datab\u00e1zy. Po absolvovan\u00ed kurzu budete schopn\u00ed samostatne vytv\u00e1ra\u0165, analyzova\u0165 a optimalizova\u0165 SQL dopyty pre pr\u00e1cu s d\u00e1tami v re\u00e1lnych datab\u00e1zov\u00fdch syst\u00e9moch. ak sa chcete skuto\u010dne nau\u010di\u0165 pracova\u0165 s datab\u00e1zami a sta\u0165 sa junior SQL \u0161pecialistom, tak toto je ide\u00e1lny vstupn\u00fd online kurz pre v\u00e1s.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ak sa chcete nau\u010di\u0165 pracova\u0165 s datab\u00e1zami, p\u00edsa\u0165 SQL dopyty a efekt\u00edvne analyzova\u0165 d\u00e1ta v MySQL, PostgreSQL \u010di phpMyAdmin, tento online kurz SQL I. Za\u010diato\u010dn\u00edk je pre v\u00e1s ide\u00e1lnou vo\u013ebou.","protected":false},"author":27,"featured_media":467,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[55,49,73,178],"product_tag":[188],"class_list":{"0":"post-469","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_cat-najoblubenejsie-kurzy","10":"product_tag-databazy-a-analytika","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 SQL pre za\u010diato\u010dn\u00edkov 2026 | VITA<\/title>\n<meta name=\"description\" content=\"V online kurze SQL I. sa nau\u010d\u00edte princ\u00edpy a pr\u00edkazy jazyka SQL. 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