Oracle - المبرمجين العرب

Affichage des articles dont le libellé est Oracle. Afficher tous les articles

شرح Oracle Identity Column

شرح Oracle Identity Column

28 décembre 2020 (0)

مقدمة عن Oracle identity column في الاصدار 12C من قواعد بيانات إدخلت اوراكل طريقة جديدة لتعريف العمود كـ identity في الجداول وهي نفس AUTO_INCREMENT في MySQL أو IDENTITY في SQL Server. وتعتبر الـ identity column مفيدة جداً عندما يكون …

window['__wavt'] = 'AAPvtVna8jOBUOTOnlv2Q2eo8kDt:1791515096744';_WidgetManager._Init('//www.blogger.com/rearrange?blogID\x3d6781638104002668925','//arbcoders.blogspot.com/search/label/Oracle?hl\x3dfr','6781638104002668925'); _WidgetManager._SetDataContext([{'name': 'blog', 'data': {'blogId': '6781638104002668925', 'title': '\u0627\u0644\u0645\u0628\u0631\u0645\u062c\u064a\u0646 \u0627\u0644\u0639\u0631\u0628', 'url': 'https://arbcoders.blogspot.com/search/label/Oracle?hl\x3dfr', 'canonicalUrl': 'https://arbcoders.blogspot.com/search/label/Oracle', 'homepageUrl': 'https://arbcoders.blogspot.com/?hl\x3dfr', 'searchUrl': 'https://arbcoders.blogspot.com/search', 'canonicalHomepageUrl': 'https://arbcoders.blogspot.com/', 'blogspotFaviconUrl': 'https://arbcoders.blogspot.com/favicon.ico', 'bloggerUrl': 'https://www.blogger.com', 'hasCustomDomain': false, 'httpsEnabled': true, 'enabledCommentProfileImages': true, 'gPlusViewType': 'FILTERED_POSTMOD', 'adultContent': false, 'analyticsAccountNumber': '', 'encoding': 'UTF-8', 'locale': 'fr', 'localeUnderscoreDelimited': 'fr', 'languageDirection': 'ltr', 'isPrivate': false, 'isMobile': false, 'isMobileRequest': false, 'mobileClass': '', 'isPrivateBlog': false, 'isDynamicViewsAvailable': true, 'feedLinks': '\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22\u0627\u0644\u0645\u0628\u0631\u0645\u062c\u064a\u0646 \u0627\u0644\u0639\u0631\u0628 - Atom\x22 href\x3d\x22https://arbcoders.blogspot.com/feeds/posts/default\x22 /\x3e\n\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/rss+xml\x22 title\x3d\x22\u0627\u0644\u0645\u0628\u0631\u0645\u062c\u064a\u0646 \u0627\u0644\u0639\u0631\u0628 - RSS\x22 href\x3d\x22https://arbcoders.blogspot.com/feeds/posts/default?alt\x3drss\x22 /\x3e\n\x3clink rel\x3d\x22service.post\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22\u0627\u0644\u0645\u0628\u0631\u0645\u062c\u064a\u0646 \u0627\u0644\u0639\u0631\u0628 - Atom\x22 href\x3d\x22https://www.blogger.com/feeds/6781638104002668925/posts/default\x22 /\x3e\n', 'meTag': '\x3clink rel\x3d\x22me\x22 href\x3d\x22https://www.blogger.com/profile/16627031557892898284\x22 /\x3e\n', 'adsenseHostId': 'ca-host-pub-1556223355139109', 'adsenseHasAds': false, 'adsenseAutoAds': false, 'boqCommentIframeForm': true, 'loginRedirectParam': '', 'isGoogleEverywhereLinkTooltipEnabled': true, 'view': '', 'dynamicViewsCommentsSrc': '//www.blogblog.com/dynamicviews/4224c15c4e7c9321/js/comments.js', 'dynamicViewsScriptSrc': '//www.blogblog.com/dynamicviews/0de680cd2a80ce27', 'plusOneApiSrc': 'https://apis.google.com/js/platform.js', 'disableGComments': true, 'interstitialAccepted': false, 'sharing': {'platforms': [{'name': 'Obtenir le lien', 'key': 'link', 'shareMessage': 'Obtenir le lien', 'target': ''}, {'name': 'Facebook', 'key': 'facebook', 'shareMessage': 'Partager sur Facebook', 'target': 'facebook'}, {'name': 'BlogThis!', 'key': 'blogThis', 'shareMessage': 'BlogThis!', 'target': 'blog'}, {'name': 'X', 'key': 'twitter', 'shareMessage': 'Partager sur X', 'target': 'twitter'}, {'name': 'Pinterest', 'key': 'pinterest', 'shareMessage': 'Partager sur Pinterest', 'target': 'pinterest'}, {'name': 'E-mail', 'key': 'email', 'shareMessage': 'E-mail', 'target': 'email'}], 'disableGooglePlus': true, 'googlePlusShareButtonWidth': 0, 'googlePlusBootstrap': '\x3cscript type\x3d\x22text/javascript\x22\x3ewindow.___gcfg \x3d {\x27lang\x27: \x27fr\x27};\x3c/script\x3e'}, 'hasCustomJumpLinkMessage': false, 'jumpLinkMessage': 'Lire la suite', 'pageType': 'index', 'searchLabel': 'Oracle', 'pageName': 'Oracle', 'pageTitle': '\u0627\u0644\u0645\u0628\u0631\u0645\u062c\u064a\u0646 \u0627\u0644\u0639\u0631\u0628: Oracle'}}, {'name': 'features', 'data': {}}, {'name': 'messages', 'data': {'edit': 'Modifier', 'linkCopiedToClipboard': 'Lien copi\xe9 dans le presse-papiers\xa0!', 'ok': 'OK', 'postLink': 'Publier le lien'}}, {'name': 'template', 'data': {'name': 'custom', 'localizedName': 'Personnaliser', 'isResponsive': true, 'isAlternateRendering': false, 'isCustom': true}}, {'name': 'view', 'data': {'classic': {'name': 'classic', 'url': '?view\x3dclassic'}, 'flipcard': {'name': 'flipcard', 'url': '?view\x3dflipcard'}, 'magazine': {'name': 'magazine', 'url': '?view\x3dmagazine'}, 'mosaic': {'name': 'mosaic', 'url': '?view\x3dmosaic'}, 'sidebar': {'name': 'sidebar', 'url': '?view\x3dsidebar'}, 'snapshot': {'name': 'snapshot', 'url': '?view\x3dsnapshot'}, 'timeslide': {'name': 'timeslide', 'url': '?view\x3dtimeslide'}, 'isMobile': false, 'title': '\u0627\u0644\u0645\u0628\u0631\u0645\u062c\u064a\u0646 \u0627\u0644\u0639\u0631\u0628', 'description': '', 'url': 'https://arbcoders.blogspot.com/search/label/Oracle?hl\x3dfr', 'type': 'feed', 'isSingleItem': false, 'isMultipleItems': true, 'isError': false, 'isPage': false, 'isPost': false, 'isHomepage': false, 'isArchive': false, 'isSearch': true, 'isLabelSearch': true, 'search': {'label': 'Oracle', 'resultsMessage': 'Affichage des articles associ\xe9s au libell\xe9 Oracle', 'resultsMessageHtml': 'Affichage des articles associ\xe9s au libell\xe9 \x3cspan class\x3d\x27search-label\x27\x3eOracle\x3c/span\x3e'}}}, {'name': 'widgets', 'data': [{'title': 'BlogArchive', 'type': 'BlogArchive', 'sectionId': 'TemplateInsert', 'id': 'BlogArchive300'}, {'title': 'BlogLabels', 'type': 'Label', 'sectionId': 'TemplateInsert', 'id': 'Label300'}, {'title': '\u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0642\u0627\u0644\u0628', 'type': 'LinkList', 'sectionId': 'TemplateInsert', 'id': 'LinkList300'}, {'title': '\u0627\u0644\u0635\u0641\u062d\u0627\u062a', 'type': 'PageList', 'sectionId': 'pages', 'id': 'PageList301'}, {'title': '\u0645\u0631\u0628\u0639 \u0627\u0644\u0628\u062d\u062b', 'type': 'HTML', 'sectionId': 'pages', 'id': 'HTML301'}, {'title': '\u0645\u0648\u0627\u0642\u0639 \u0627\u0644\u062a\u0648\u0627\u0635\u0644 \u0627\u0644\u0625\u062c\u062a\u0645\u0627\u0639\u064a', 'type': 'LinkList', 'sectionId': 'pages', 'id': 'LinkList301'}, {'title': '\u0627\u0644\u0645\u0628\u0631\u0645\u062c\u064a\u0646 \u0627\u0644\u0639\u0631\u0628 (en-t\xeate)', 'type': 'Header', 'sectionId': 'head-container', 'id': 'Header1'}, {'title': '\u0625\u0639\u0644\u0627\u0646 \u0628\u062c\u0648\u0627\u0631 \u0627\u0644\u0644\u0648\u062c\u0648', 'type': 'HTML', 'sectionId': 'head-container', 'id': 'HTML302'}, {'title': '\u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629', 'type': 'LinkList', 'sectionId': 'menu-bar', 'id': 'LinkList302'}, {'title': '\u0625\u0639\u0644\u0627\u0646 \u0635\u0641\u062d\u0627\u062a \u0627\u0644\u062a\u0633\u0645\u064a\u0627\u062a \u0648\u0627\u0644\u0623\u0631\u0634\u064a\u0641 \u0648\u0627\u0644\u0628\u062d\u062b', 'type': 'HTML', 'sectionId': 'RecentPosts', 'id': 'HTML305'}, {'title': 'Articles du blog', 'type': 'Blog', 'sectionId': 'RecentPosts', 'id': 'Blog1', 'posts': [{'id': '3519450363004951975', 'title': ' \u0634\u0631\u062d Oracle Identity Column', 'featuredImage': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiG5OKELZrSl6qnxdccB0Fvz9JigyKdAJdKKvPGOK9X9hFLVTnqLfLP5ch8QCF_BTWp8eRrN1T9wLEGEzpPJQqsuhz9ay-TKEoUWCot6oXRw5xCI8B_vfvqqONgkrsTkIO3ZaWfxjZLU7w/s16000-e90-rw/maxresdefault.jpg', 'showInlineAds': false}], 'headerByline': {'regionName': 'header1', 'items': [{'name': 'share', 'label': ''}, {'name': 'author', 'label': '\u0628\u0648\u0627\u0633\u0637\u0629'}, {'name': 'timestamp', 'label': ''}]}, 'footerBylines': [{'regionName': 'footer1', 'items': [{'name': 'comments', 'label': 'comments'}, {'name': 'icons', 'label': ''}]}, {'regionName': 'footer2', 'items': [{'name': 'labels', 'label': ''}]}], 'allBylineItems': [{'name': 'share', 'label': ''}, {'name': 'author', 'label': '\u0628\u0648\u0627\u0633\u0637\u0629'}, {'name': 'timestamp', 'label': ''}, {'name': 'comments', 'label': 'comments'}, {'name': 'icons', 'label': ''}, {'name': 'labels', 'label': ''}]}, {'title': 'Formulaire de contact', 'type': 'ContactForm', 'sectionId': 'RecentPosts', 'id': 'ContactForm302'}, {'title': '\u0625\u0639\u0644\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0634\u0627\u0631\u0643\u0627\u062a', 'type': 'LinkList', 'sectionId': 'RecentPosts', 'id': 'LinkList500'}, {'title': 'Membres', 'type': 'Followers', 'sectionId': 'sidebar-section', 'id': 'Followers1'}, {'title': '\u0639\u062f\u0627\u062f \u0627\u0644\u062a\u0648\u0627\u0635\u0644 \u0627\u0644\u0625\u062c\u062a\u0645\u0627\u0639\u064a [SM]', 'type': 'LinkList', 'sectionId': 'sidebar-section', 'id': 'LinkList3'}, {'title': '\u0627\u0644\u0634\u0627\u0626\u0639', 'type': 'PopularPosts', 'sectionId': 'sidebar-section', 'id': 'PopularPosts1', 'posts': []}, {'title': 'Libell\xe9s', 'type': 'Label', 'sectionId': 'sidebar-section', 'id': 'Label1'}, {'title': 'Formulaire de contact', 'type': 'ContactForm', 'sectionId': 'col-2', 'id': 'ContactForm1'}, {'title': '\u0627\u0644\u0635\u0641\u062d\u0627\u062a', 'type': 'PageList', 'sectionId': 'col-4', 'id': 'PageList1'}, {'title': '\u0627\u0644\u062d\u0642\u0648\u0642', 'type': 'HTML', 'sectionId': 'license', 'id': 'HTML306'}]}]); _WidgetManager._RegisterWidget('_BlogArchiveView', new _WidgetInfo('BlogArchive300', 'TemplateInsert', document.getElementById('BlogArchive300'), {'languageDirection': 'ltr', 'loadingMessage': 'Chargement\x26hellip;'}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LabelView', new _WidgetInfo('Label300', 'TemplateInsert', document.getElementById('Label300'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList300', 'TemplateInsert', document.getElementById('LinkList300'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_PageListView', new _WidgetInfo('PageList301', 'pages', document.getElementById('PageList301'), {'title': '\u0627\u0644\u0635\u0641\u062d\u0627\u062a', 'links': [{'isCurrentPage': false, 'href': 'https://arbcoders.blogspot.com/?hl\x3dfr', 'title': '\u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629'}, {'isCurrentPage': false, 'href': 'https://arbcoders.blogspot.com/p/privacy-policy.html?hl\x3dfr', 'id': '7100889160072382088', 'title': '\u0633\u064a\u0627\u0633\u0629 \u0627\u0644\u062e\u0635\u0648\u0635\u064a\u0629 - privacy policy'}, {'isCurrentPage': false, 'href': 'https://arbcoders.blogspot.com/p/blog-page_19.html?hl\x3dfr', 'id': '762528220299106073', 'title': '\u0627\u0644\u0627\u0631\u0634\u064a\u0641'}, {'isCurrentPage': false, 'href': 'https://arbcoders.blogspot.com/p/blog-page.html?hl\x3dfr', 'id': '7911210476183842813', 'title': '\u062a\u0648\u0627\u0635\u0644 \u0628\u0646\u0627'}], 'mobile': false, 'showPlaceholder': true, 'hasCurrentPage': false}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML301', 'pages', document.getElementById('HTML301'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList301', 'pages', document.getElementById('LinkList301'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HeaderView', new _WidgetInfo('Header1', 'head-container', document.getElementById('Header1'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML302', 'head-container', document.getElementById('HTML302'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList302', 'menu-bar', document.getElementById('LinkList302'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML305', 'RecentPosts', document.getElementById('HTML305'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_BlogView', new _WidgetInfo('Blog1', 'RecentPosts', document.getElementById('Blog1'), {'cmtInteractionsEnabled': false, 'navMessage': 'Affichage des articles dont le libell\xe9 est \x3cb\x3eOracle\x3c/b\x3e. \x3ca href\x3d\x22https://arbcoders.blogspot.com/\x22\x3eAfficher tous les articles\x3c/a\x3e', 'lightboxEnabled': true, 'lightboxModuleUrl': 'https://www.blogger.com/static/v1/jsbin/3686176806-lbx__fr.js', 'lightboxCssUrl': 'https://www.blogger.com/static/v1/v-css/828616780-lightbox_bundle.css'}, 'displayModeFull')); _WidgetManager._RegisterWidget('_ContactFormView', new _WidgetInfo('ContactForm302', 'RecentPosts', document.getElementById('ContactForm302'), {'contactFormMessageSendingMsg': 'Envoi en cours...', 'contactFormMessageSentMsg': 'Votre message a \xe9t\xe9 envoy\xe9.', 'contactFormMessageNotSentMsg': 'Impossible d\x27envoyer le message. Veuillez r\xe9essayer ult\xe9rieurement.', 'contactFormInvalidEmailMsg': 'Veuillez indiquer une adresse e-mail valide.', 'contactFormEmptyMessageMsg': 'Le champ de message doit \xeatre renseign\xe9.', 'title': 'Formulaire de contact', 'blogId': '6781638104002668925', 'contactFormNameMsg': 'Nom', 'contactFormEmailMsg': 'E-mail', 'contactFormMessageMsg': 'Message', 'contactFormSendMsg': 'Envoyer', 'contactFormToken': 'AAPvtVn9MdzFdBwAqXe2Nz90smxe:1791515096782', 'submitUrl': 'https://www.blogger.com/contact-form'}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList500', 'RecentPosts', document.getElementById('LinkList500'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_FollowersView', new _WidgetInfo('Followers1', 'sidebar-section', document.getElementById('Followers1'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList3', 'sidebar-section', document.getElementById('LinkList3'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_PopularPostsView', new _WidgetInfo('PopularPosts1', 'sidebar-section', document.getElementById('PopularPosts1'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LabelView', new _WidgetInfo('Label1', 'sidebar-section', document.getElementById('Label1'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_ContactFormView', new _WidgetInfo('ContactForm1', 'col-2', document.getElementById('ContactForm1'), {'contactFormMessageSendingMsg': 'Envoi en cours...', 'contactFormMessageSentMsg': 'Votre message a \xe9t\xe9 envoy\xe9.', 'contactFormMessageNotSentMsg': 'Impossible d\x27envoyer le message. Veuillez r\xe9essayer ult\xe9rieurement.', 'contactFormInvalidEmailMsg': 'Veuillez indiquer une adresse e-mail valide.', 'contactFormEmptyMessageMsg': 'Le champ de message doit \xeatre renseign\xe9.', 'title': 'Formulaire de contact', 'blogId': '6781638104002668925', 'contactFormNameMsg': 'Nom', 'contactFormEmailMsg': 'E-mail', 'contactFormMessageMsg': 'Message', 'contactFormSendMsg': 'Envoyer', 'contactFormToken': 'AAPvtVn9MdzFdBwAqXe2Nz90smxe:1791515096782', 'submitUrl': 'https://www.blogger.com/contact-form'}, 'displayModeFull')); _WidgetManager._RegisterWidget('_PageListView', new _WidgetInfo('PageList1', 'col-4', document.getElementById('PageList1'), {'title': '\u0627\u0644\u0635\u0641\u062d\u0627\u062a', 'links': [{'isCurrentPage': false, 'href': 'https://arbcoders.blogspot.com/?hl\x3dfr', 'title': '\u0627\u0644\u0635\u0641\u062d\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629'}], 'mobile': false, 'showPlaceholder': true, 'hasCurrentPage': false}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML306', 'license', document.getElementById('HTML306'), {}, 'displayModeFull'));