1 00:00:06,620 --> 00:00:07,880 Welcome back. 2 00:00:07,910 --> 00:00:15,170 In this video, let's see how we can fetch the documents we have created into our application. 3 00:00:15,170 --> 00:00:16,640 So here we go. 4 00:00:16,670 --> 00:00:18,350 Let me comment this one. 5 00:00:18,350 --> 00:00:20,990 Otherwise, it's going to create a gain. 6 00:00:20,990 --> 00:00:23,360 So here we go. 7 00:00:23,570 --> 00:00:26,150 So here, let's have a beautiful command. 8 00:00:26,150 --> 00:00:28,610 Say, fine or students. 9 00:00:28,610 --> 00:00:30,950 So which method are you going to use? 10 00:00:31,220 --> 00:00:33,410 So back to the documentation. 11 00:00:33,410 --> 00:00:41,180 We are going to use a method called read meaning, read, document and here retrieve data and here we 12 00:00:41,180 --> 00:00:41,510 go. 13 00:00:41,510 --> 00:00:44,270 So scroll down and want to see find. 14 00:00:44,270 --> 00:00:50,870 So find is a method on the collection object that references the collection you want to query. 15 00:00:50,870 --> 00:00:57,380 So all I need is to use find on my collection, which is student and that is it. 16 00:00:57,530 --> 00:01:00,140 So back to Visual Studio code. 17 00:01:00,170 --> 00:01:01,520 Here we go. 18 00:01:01,610 --> 00:01:04,550 Cost or make use of all students. 19 00:01:05,840 --> 00:01:09,410 Is equal to await the action. 20 00:01:09,410 --> 00:01:12,080 And next is my student collection. 21 00:01:12,080 --> 00:01:18,140 And on that, we're going to use a method called find and call it as a function. 22 00:01:18,140 --> 00:01:24,380 So for fine, we can pass an additional agreement called queries and we will get there very soon. 23 00:01:24,380 --> 00:01:27,740 For the meantime, let's stick to this core find. 24 00:01:28,010 --> 00:01:28,790 All right. 25 00:01:28,790 --> 00:01:33,620 So let's try to console.log our student and let's see what we are going to get. 26 00:01:33,650 --> 00:01:39,260 We are going to get the actual student, but let's see what I mean. 27 00:01:39,530 --> 00:01:42,320 So now back to the terminal here. 28 00:01:42,500 --> 00:01:49,310 Let me shut down, clear the console, and now let's run the file again and let's see what is going 29 00:01:49,310 --> 00:01:50,090 to happen. 30 00:01:50,090 --> 00:01:51,230 Scroll up. 31 00:01:51,230 --> 00:01:58,730 I'm going to see something strange here about the fine method so you can see that what it retains is 32 00:01:58,730 --> 00:02:00,530 what we call cursor. 33 00:02:00,530 --> 00:02:09,500 Well, cursor simply means that when we're making the query, MongoDB is a way to find the entire record 34 00:02:09,509 --> 00:02:10,400 at GO. 35 00:02:10,490 --> 00:02:17,900 It is coming in piece by piece and to get the actual record unless we pass it as an array. 36 00:02:17,900 --> 00:02:19,790 So here we go. 37 00:02:19,790 --> 00:02:25,280 So for find I'm going to obtain a method call to array. 38 00:02:25,280 --> 00:02:32,120 So here we go to array like that and save it again. 39 00:02:32,120 --> 00:02:34,340 Let's run the file again. 40 00:02:34,550 --> 00:02:39,710 Let me shut down and click the console and run it again. 41 00:02:39,740 --> 00:02:41,030 Now let's see. 42 00:02:42,090 --> 00:02:46,780 A I get array of students inside the terminal. 43 00:02:46,830 --> 00:02:56,070 Remember, we have a name with underscore ID and this one was given to us by MongoDB to identify a particular 44 00:02:56,070 --> 00:02:56,640 record. 45 00:02:56,880 --> 00:03:00,950 And you can see that all the IDs are different. 46 00:03:00,960 --> 00:03:06,900 You can see so meaning that this ID represents the individual record. 47 00:03:07,020 --> 00:03:13,620 So that is it about how we can find a record, but we cause something. 48 00:03:13,620 --> 00:03:23,130 Query It means that let's say for this record we want to find a student by name John Doe, how are we 49 00:03:23,130 --> 00:03:24,120 going to do it? 50 00:03:24,150 --> 00:03:29,580 Or we want to find a student by name from us who is from Western region. 51 00:03:29,580 --> 00:03:31,410 How are we going to do it? 52 00:03:31,650 --> 00:03:37,380 So let me show you how we are going to do this one in the next video.