1 00:00:00,180 --> 00:00:01,410 Hey, welcome back. 2 00:00:01,620 --> 00:00:07,290 If you're looking at my desk right now and you're asking, wow, why is there so much crud on it? 3 00:00:07,500 --> 00:00:08,940 Well, you're on to something. 4 00:00:08,970 --> 00:00:11,670 This section is all about crud. 5 00:00:12,360 --> 00:00:12,900 Yeah. 6 00:00:14,100 --> 00:00:16,079 So crud is an acronym. 7 00:00:16,079 --> 00:00:21,660 It stands for for things C, R, U, and D, create, read, update and delete. 8 00:00:21,660 --> 00:00:25,800 And they are the four basic actions that we want to be able to do to our data. 9 00:00:25,800 --> 00:00:28,200 So we've actually seen two components already. 10 00:00:28,200 --> 00:00:33,630 We've seen how, let's say we're working with users, we've seen how to create users with the insert 11 00:00:33,630 --> 00:00:39,810 command, we've seen how to read users, take them back out, you know, spill the milk out of the database. 12 00:00:39,810 --> 00:00:43,320 That is the read section, which we did with select. 13 00:00:43,320 --> 00:00:48,600 Now we also are going to review more about select and insert, but primarily we're going to see how 14 00:00:48,600 --> 00:00:50,730 to update and delete information. 15 00:00:50,730 --> 00:00:54,870 So how do we change something in our database if we made a mistake or let's say a user changed their 16 00:00:54,870 --> 00:00:58,350 password, they clicked, forgot my password link and they want to reset it. 17 00:00:58,350 --> 00:01:01,020 We need to change it in the database and then delete. 18 00:01:01,230 --> 00:01:05,820 Let's say our user decides to leave our site for some really bad reason. 19 00:01:05,820 --> 00:01:07,620 We can delete him or her. 20 00:01:07,830 --> 00:01:09,870 So that's the focus of this section. 21 00:01:10,560 --> 00:01:15,150 We're going to have a ton of exercises because we're seeing a lot of commands, and now that we have 22 00:01:15,150 --> 00:01:19,410 those four commands in place, we'll be able to go do a lot of stuff. 23 00:01:19,410 --> 00:01:23,130 They're kind of the fundamental four things of any database or any data. 24 00:01:23,130 --> 00:01:24,930 So tons of challenges coming up. 25 00:01:24,930 --> 00:01:29,070 Look forward to that and I'll see you basically in the next section when I have to do another one of 26 00:01:29,070 --> 00:01:29,940 these videos. 27 00:01:29,970 --> 00:01:30,190 So you.