{"id":65585,"date":"2021-07-08T04:10:05","date_gmt":"2021-07-08T08:10:05","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/recent-posts\/mongodb-examples-4-reading-from-mongodb-mongodb\/"},"modified":"2021-07-08T04:10:05","modified_gmt":"2021-07-08T08:10:05","slug":"mongodb-examples-4-reading-from-mongodb-mongodb","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=65585","title":{"rendered":"MongoDB Examples &#8211; 4 : Reading from MongoDB #MongoDB"},"content":{"rendered":"<p>\/\/Install express first<\/p>\n<p>\/\/npm install express<\/p>\n<p>&nbsp;<\/p>\n<p>var express = require(&#8216;express&#8217;);<br \/>\nvar app = express();<\/p>\n<p>const MongoClient = require(&#8216;mongodb&#8217;).MongoClient;<br \/>\nlet db;<br \/>\nMongoClient.connect(&#8216;mongodb:\/\/localhost\/issuetracker&#8217;).then(connection =&gt; {<br \/>\ndb = connection;<br \/>\napp.listen(3000, () =&gt; {<br \/>\nconsole.log(&#8216;App started on port 3000&#8217;);<br \/>\n});<br \/>\n}).catch(error =&gt; {<br \/>\nconsole.log(&#8216;ERROR:&#8217;, error);<br \/>\n});<\/p>\n<p>&nbsp;<\/p>\n<p>app.get(&#8216;\/api\/issues&#8217;, (req, res) =&gt; {<br \/>\ndb.collection(&#8216;issues&#8217;).find().toArray().then(issues =&gt; {<br \/>\nconst metadata = { total_count: issues.length };<br \/>\nres.json({ _metadata: metadata, records: issues })<br \/>\n}).catch(error =&gt; {<br \/>\nconsole.log(error);<br \/>\nres.status(500).json({ message: `Internal Server Error: ${error}` });<br \/>\n});<br \/>\n}); From: http:\/\/sitestree.com\/?p=10861<br \/> Categories:MongoDB<br \/>Tags:<br \/> Post Data:2017-07-16 17:52:20<\/p>\n<p>\t\tShop Online: <a href='https:\/\/www.ShopForSoul.com\/' target='new' rel=\"noopener\">https:\/\/www.ShopForSoul.com\/<\/a><br \/>\n\t\t(Big Data, Cloud, Security, Machine Learning): Courses: <a href='http:\/\/Training.SitesTree.com' target='new' rel=\"noopener\"> http:\/\/Training.SitesTree.com<\/a><br \/>\n\t\tIn Bengali: <a href='http:\/\/Bangla.SaLearningSchool.com' target='new' rel=\"noopener\">http:\/\/Bangla.SaLearningSchool.com<\/a><br \/>\n\t\t<a href='http:\/\/SitesTree.com' target='new' rel=\"noopener\">http:\/\/SitesTree.com<\/a><br \/>\n\t\t8112223 Canada Inc.\/JustEtc: <a href='http:\/\/JustEtc.net' target='new' rel=\"noopener\">http:\/\/JustEtc.net (Software\/Web\/Mobile\/Big-Data\/Machine Learning) <\/a><br \/>\n\t\tShop Online: <a href='https:\/\/www.ShopForSoul.com'> https:\/\/www.ShopForSoul.com\/<\/a><br \/>\n\t\tMedium: <a href='https:\/\/medium.com\/@SayedAhmedCanada' target='new' rel=\"noopener\"> https:\/\/medium.com\/@SayedAhmedCanada <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\/\/Install express first \/\/npm install express &nbsp; var express = require(&#8216;express&#8217;); var app = express(); const MongoClient = require(&#8216;mongodb&#8217;).MongoClient; let db; MongoClient.connect(&#8216;mongodb:\/\/localhost\/issuetracker&#8217;).then(connection =&gt; { db = connection; app.listen(3000, () =&gt; { console.log(&#8216;App started on port 3000&#8217;); }); }).catch(error =&gt; { console.log(&#8216;ERROR:&#8217;, error); }); &nbsp; app.get(&#8216;\/api\/issues&#8217;, (req, res) =&gt; { db.collection(&#8216;issues&#8217;).find().toArray().then(issues =&gt; { const metadata = &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=65585\">Continue reading<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1917],"tags":[],"class_list":["post-65585","post","type-post","status-publish","format-standard","hentry","category-fromsitestree-com","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":7005,"url":"http:\/\/bangla.sitestree.com\/?p=7005","url_meta":{"origin":65585,"position":0},"title":"MongoDB PHP. 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Install MongoDB on Windows and Linux","author":"Author-Check- Article-or-Video","date":"March 26, 2015","format":false,"excerpt":"\u09b8\u09cd\u09ac\u09be\u0997\u09a4\u09ae \u0986\u09aa\u09a8\u09be\u0995\u09c7 \u0986\u09ae\u09be\u09a6\u09c7\u09b0 \u099f\u09bf\u0989\u099f\u09cb\u09b0\u09bf\u09df\u09be\u09b2 \u09b8\u09be\u0987\u099f\u09c7\u0964 \u098f\u0996\u09be\u09a8\u09c7 \u0986\u099c\u0995\u09c7 \u0986\u09ae\u09b0\u09be \u0986\u09b2\u09cb\u099a\u09cb\u09a8\u09be \u0995\u09b0\u09ac\u09cb \u0995\u09bf\u09ad\u09be\u09ac\u09c7 \u0986\u09aa\u09a8\u09bf \u0986\u09aa\u09a8\u09be\u09b0 \u0989\u0987\u09a8\u09cd\u09a1\u09cb\u099c \u098f \u098f\u09ac\u0982 \u0989\u09ac\u09a8\u099f\u09c1 \u09a4\u09c7 MongoDB \u0987\u09a8\u09cd\u09b8\u099f\u09b2 \u09a6\u09bf\u09ac\u09c7\u09a8\u0964 Install MongoDB On Windows \u00a0 MongoDB \u0987\u09a8\u09cd\u09b8\u099f\u09b2 \u0995\u09b0\u09a4\u09c7 \u0986\u09aa\u09a8\u09be\u0995\u09c7 \u0986\u0997\u09c7 \u09b8\u09b0\u09cd\u09ac\u09b6\u09c7\u09b7 \u09ad\u09be\u09b0\u09cd\u09b8\u09a8 \u09a1\u09be\u0989\u09a8\u09b2\u09cb\u09a1 \u0995\u09b0\u09a4\u09c7 \u09b9\u09ac\u09c7, \u09af\u09be \u0986\u09aa\u09a8\u09be\u09b0 \u0989\u0987\u09a8\u09cd\u09a1\u09cb\u099c \u098f\u09b0 \u09ad\u09be\u09b0\u09cd\u09b8\u09a8 \u098f\u09b0 \u09b8\u09be\u09a5\u09c7 \u09ae\u09bf\u09b2 \u09a5\u09be\u0995\u09ac\u09c7\u0964 \u098f\u0996\u09be\u09a8\u09c7 \u09b8\u09b0\u09be\u09b8\u09b0\u09bf \u09a1\u09be\u0989\u09a8\u09b2\u09cb\u09a1 \u098f\u09b0 \u09b2\u09bf\u0982\u0995\u2026","rel":"","context":"In &quot;\u09ae\u0999\u09cd\u0997 \u09a1\u09bf \u09ac\u09bf \u0964 MongoDB&quot;","block_context":{"text":"\u09ae\u0999\u09cd\u0997 \u09a1\u09bf \u09ac\u09bf \u0964 MongoDB","link":"http:\/\/bangla.sitestree.com\/?cat=222"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7003,"url":"http:\/\/bangla.sitestree.com\/?p=7003","url_meta":{"origin":65585,"position":4},"title":"MongoDB Java","author":"Author-Check- Article-or-Video","date":"March 16, 2015","format":false,"excerpt":"Done By Raju(DU) MongoDB Java Installation \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0983 Java program \u098f MongoDB \u09ac\u09cd\u09af\u09be\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be\u09b0 \u09aa\u09c2\u09b0\u09cd\u09ac\u09c7 \u0986\u09ae\u09be\u09a6\u09c7\u09b0\u0995\u09c7 \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09a4\u09c7 \u09b9\u09ac\u09c7 \u09af\u09c7 MongoDB JDBC Driver \u098f\u09ac\u0982 Java \u0986\u09ae\u09be\u09a6\u09c7\u09b0 machine \u098f \u09aa\u09c2\u09b0\u09cd\u09ac\u09c7 \u09a5\u09c7\u0995\u09c7\u0987 \u09b0\u09df\u09c7\u099b\u09c7\u0964 \u0986\u09aa\u09a8\u09bf \u0986\u09b0\u0993 Java tutorial \u09a6\u09c7\u0996\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u09a8 \u0986\u09aa\u09a8\u09be\u09b0 machine \u098f Java installation \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af\u0964 \u098f\u0996\u09a8 \u09a6\u09c7\u0996\u09ac\u09c7 \u0995\u09bf\u09ad\u09be\u09ac\u09c7 MongoDB JDBC driver \u099f\u09bf\u2026","rel":"","context":"In &quot;\u09ae\u0999\u09cd\u0997 \u09a1\u09bf \u09ac\u09bf \u0964 MongoDB&quot;","block_context":{"text":"\u09ae\u0999\u09cd\u0997 \u09a1\u09bf \u09ac\u09bf \u0964 MongoDB","link":"http:\/\/bangla.sitestree.com\/?cat=222"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":6573,"url":"http:\/\/bangla.sitestree.com\/?p=6573","url_meta":{"origin":65585,"position":5},"title":"MongoDB Create Database","author":"Author-Check- Article-or-Video","date":"March 6, 2015","format":false,"excerpt":"MongoDB \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8 \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09be \u09b2\u09c7\u0996\u0995\u0983 \u09a8\u09df\u09a8 \u099a\u09a8\u09cd\u09a6\u09cd\u09b0 \u09a6\u09a4\u09cd\u09a4 \u0995\u09bf \u0996\u09ac\u09b0 \u09b8\u09ac\u09be\u09b0? \u0986\u09b6\u09be \u0995\u09b0\u099b\u09bf \u09b8\u09ac\u09be\u0987 \u09ad\u09be\u09b2 \u0986\u099b\u09c7\u09a8\u0964 \u0986\u099c \u0986\u09ae\u09bf \u09b9\u09be\u099c\u09bf\u09b0 \u09b9\u09df\u09c7\u099b\u09bf \u098f\u0995\u099f\u09bf \u09a8\u09a4\u09c1\u09a8 \u099f\u09bf\u0989\u099f\u09cb\u09b0\u09bf\u09df\u09be\u09b2 \u09a8\u09bf\u09df\u09c7\u0964 \u0986\u099c \u0986\u09ae\u09b0\u09be \u09a6\u09c7\u0996\u09ac \u0995\u09c0\u09ad\u09be\u09ac\u09c7 MongoDB \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8 \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09be \u09af\u09be\u09df\u0964 \u09a4\u09be\u09b9\u09b2\u09c7 \u0986\u09b0 \u0995\u09a5\u09be \u09a8\u09be \u09ac\u09be\u09dc\u09bf\u09df\u09c7 \u0986\u099c\u0995\u09c7\u09b0 \u099f\u09bf\u0989\u099f\u09cb\u09b0\u09bf\u09df\u09be\u09b2 \u09b6\u09c1\u09b0\u09c1 \u0995\u09b0\u09bf\u0964 use \u0995\u09ae\u09be\u09a8\u09cd\u09a1 MongoDB use DATABASE_NAME \u09a1\u09c7\u099f\u09be\u09ac\u09c7\u09b8 \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09a4\u09c7\u2026","rel":"","context":"In &quot;\u09ae\u0999\u09cd\u0997 \u09a1\u09bf \u09ac\u09bf \u0964 MongoDB&quot;","block_context":{"text":"\u09ae\u0999\u09cd\u0997 \u09a1\u09bf \u09ac\u09bf \u0964 MongoDB","link":"http:\/\/bangla.sitestree.com\/?cat=222"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/65585","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=65585"}],"version-history":[{"count":0,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/65585\/revisions"}],"wp:attachment":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=65585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=65585"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=65585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}