{"id":25970,"date":"2025-05-23T12:10:42","date_gmt":"2025-05-23T10:10:42","guid":{"rendered":"https:\/\/www.vita.sk\/?post_type=product&#038;p=25970"},"modified":"2026-10-11T19:20:11","modified_gmt":"2026-10-11T17:20:11","slug":"online-kurz-oracle-db-database-i-zaciatocnik","status":"publish","type":"product","link":"https:\/\/www.vita.sk\/en\/online-kurz-oracle-db-database-i-zaciatocnik\/","title":{"rendered":"Online kurz Oracle DB Database I. Za\u010diato\u010dn\u00edk"},"content":{"rendered":"<p>Online kurz Oracle DB Database I. Za\u010diato\u010dn\u00edk je pre v\u00e1s ide\u00e1lny, ak chcete svoje znalosti SQL prenies\u0165 do prostredia Oracle a z\u00edska\u0165 istotu pri pr\u00e1ci s rela\u010dn\u00fdmi datab\u00e1zami. <strong>Ide o certifikovan\u00fd online kurz na Oracle Database.<\/strong> Spolo\u010dne si vysvetl\u00edme, ako datab\u00e1zov\u00fd syst\u00e9m s\u00favis\u00ed s n\u00e1strojmi, prostredn\u00edctvom ktor\u00fdch zad\u00e1vame pr\u00edkazy a prezer\u00e1me ulo\u017een\u00e9 \u00fadaje. Zameriame sa na pr\u00edpravu prostredia, orient\u00e1ciu v datab\u00e1zov\u00fdch objektoch a praktick\u00e9 pou\u017e\u00edvanie SQL. Datab\u00e1zov\u00e9 tabu\u013eky n\u00e1m umo\u017e\u0148uj\u00fa usporiada\u0165 inform\u00e1cie do riadkov a st\u013apcov, pri\u010dom vhodn\u00e1 \u0161trukt\u00fara u\u013eah\u010duje ich n\u00e1sledn\u00e9 spracovanie. Z\u00edskan\u00e9 z\u00e1klady m\u00f4\u017eete \u010falej rozv\u00edja\u0165 pri pr\u00edprave d\u00e1tov\u00fdch podkladov, v\u00fdvoji aplik\u00e1ci\u00ed alebo spolupr\u00e1ci s kolegami, ktor\u00ed pou\u017e\u00edvaj\u00fa Oracle Database vo svojich projektoch.<\/p>\n<p>&nbsp;<\/p>\n<p>Najprv prejdeme in\u0161tal\u00e1ciou Oracle Database a pr\u00edpravou pracovn\u00e9ho prostredia vr\u00e1tane n\u00e1stroja Oracle SQL Developer. Nau\u010d\u00edme sa nastavi\u0165 pripojenie a zorientova\u0165 sa v dostupn\u00fdch tabu\u013ek\u00e1ch. SQL Developer poskytuje grafick\u00e9 rozhranie na pr\u00e1cu s datab\u00e1zou, sp\u00fa\u0161\u0165anie pr\u00edkazov a prezeranie v\u00fdsledkov. N\u00e1sledne sa s\u00fastred\u00edme na vytv\u00e1ranie tabuliek, definovanie st\u013apcov a v\u00fdber d\u00e1tov\u00fdch typov. Vysvetl\u00edme si v\u00fdznam \u0161trukt\u00fary tabu\u013eky a precvi\u010d\u00edme jej \u00fapravy. Pri pr\u00e1ci s \u00fadajmi vyu\u017eijeme pr\u00edkazy INSERT a SELECT. V\u00fdber konkr\u00e9tnych st\u013apcov n\u00e1m pom\u00f4\u017ee zobrazi\u0165 potrebn\u00e9 inform\u00e1cie, podmienky obmedzia v\u00fdsledok na po\u017eadovan\u00e9 riadky a triedenie ur\u010d\u00ed ich poradie. Takto postupne prepoj\u00edme pr\u00edpravu datab\u00e1zov\u00e9ho prostredia s ka\u017edodenn\u00fdmi \u00falohami pri z\u00edskavan\u00ed \u00fadajov a nau\u010d\u00edme sa \u010d\u00edta\u0165 v\u00fdsledky vlastn\u00fdch dopytov.<\/p>\n<p>&nbsp;<\/p>\n<p>Kurz je vstupom do prostredia Oracle pre \u00fa\u010dastn\u00edkov, ktor\u00ed u\u017e poznaj\u00fa jazyk SQL. Odpor\u00fa\u010dame znalos\u0165 SQL pribli\u017ene na mierne pokro\u010dilej \u00farovni, aby ste sa mohli s\u00fastredi\u0165 na nov\u00e9 prostredie a praktick\u00e9 postupy. Pri samostatnom precvi\u010dovan\u00ed je u\u017eito\u010dn\u00e9 meni\u0165 podmienky dopytov, porovn\u00e1va\u0165 v\u00fdsledky a sledova\u0165, ako jednotliv\u00e9 \u010dasti pr\u00edkazu ovplyv\u0148uj\u00fa zobrazen\u00e9 \u00fadaje. Pravideln\u00fdm opakovan\u00edm si upevn\u00edte s\u00favislosti medzi tabu\u013ekou, jej obsahom a po\u017eadovan\u00fdm v\u00fdstupom. Z\u00e1rove\u0148 si vytvor\u00edte v\u00fdchodisko pre \u010fal\u0161ie \u0161t\u00fadium datab\u00e1zov\u00e9ho programovania a n\u00e1ro\u010dnej\u0161\u00edch SQL \u00faloh. Pri u\u010den\u00ed odpor\u00fa\u010dame pracova\u0165 s vlastn\u00fdmi sk\u00fa\u0161obn\u00fdmi \u00fadajmi a priebe\u017ene si uklada\u0165 pou\u017eit\u00e9 pr\u00edkazy. Ak sa chcete skuto\u010dne nau\u010di\u0165 pracova\u0165 s Oracle Database, tak toto je ide\u00e1lny vstupn\u00fd online kurz pre v\u00e1s.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Za\u010dnite pracova\u0165 s Oracle Database a vyu\u017eite svoje znalosti SQL v novom prostred\u00ed. Spolo\u010dne prejdeme in\u0161tal\u00e1ciou, pripojen\u00edm cez Oracle SQL Developer, tvorbou tabuliek a vkladan\u00edm \u00fadajov.","protected":false},"author":4,"featured_media":23610,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[719,487,49,73],"product_tag":[188,720,1662,1666,1667,1668,1669,1670,1671,1672,1673,1674],"class_list":{"0":"post-25970","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-online-kurzy-oracle-db","7":"product_cat-online-kurzy-pl-sql","8":"product_cat-online-kurzy-databazy-statistika-analytika","9":"product_cat-bez-kategorie","10":"product_tag-databazy-a-analytika","11":"product_tag-oracle","12":"product_tag-datove-typy","13":"product_tag-oracle-database","14":"product_tag-oracle-db","15":"product_tag-oracle-sql","16":"product_tag-sql-developer","17":"product_tag-relacne-databazy","18":"product_tag-databazove-tabulky","19":"product_tag-sql-dopyty","20":"product_tag-praca-s-udajmi","21":"product_tag-oracle-pre-zaciatocnikov","23":"first","24":"instock","25":"sale","26":"virtual","27":"sold-individually","28":"taxable","29":"purchasable","30":"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>Oracle DB Database I. 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Za\u010diato\u010dn\u00edk sa nau\u010d\u00edte z\u00e1klady pr\u00e1ce s datab\u00e1zami Oracle, vr\u00e1tane vytv\u00e1rania tabuliek a jednoduch\u00fdch SQL dopytov. \u2705\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.vita.sk\/online-kurz-oracle-db-database-i-zaciatocnik\/\" \/>\n<meta property=\"og:site_name\" content=\"VITA\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/VitaAcademySK\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-11T17:20:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.vita.sk\/wp-content\/uploads\/2025\/01\/kurz_oracle_db.png\" \/>\n\t<meta property=\"og:image:width\" content=\"360\" \/>\n\t<meta property=\"og:image:height\" content=\"360\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\n\t    \"@context\": \"https:\/\/schema.org\",\n\t    \"@graph\": [\n\t        {\n\t            \"@type\": \"WebPage\",\n\t            \"@id\": \"https:\/\/www.vita.sk\/online-kurz-oracle-db-database-i-zaciatocnik\/\",\n\t            \"url\": \"https:\/\/www.vita.sk\/online-kurz-oracle-db-database-i-zaciatocnik\/\",\n\t            \"name\": \"Oracle DB Database I. 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