1 00:00:00,570 --> 00:00:03,680 Hello and welcome to this video. 2 00:00:03,870 --> 00:00:14,130 In this video I will be introducing you to some of the key database concepts like database table relational 3 00:00:14,130 --> 00:00:20,580 database relational database management systems database. 4 00:00:20,790 --> 00:00:34,200 A database is a collection of organized information of data stored in a table it table stores information 5 00:00:34,320 --> 00:00:36,680 in rows and columns. 6 00:00:36,900 --> 00:00:50,400 Just like an Excel spreadsheet a relational database is a database with two or more related tables. 7 00:00:50,490 --> 00:00:55,400 So two or more of the tables must be related. 8 00:00:56,070 --> 00:01:07,380 A relational database management system also known as are DBI m.s. s for short it's software that manages 9 00:01:07,560 --> 00:01:16,130 the databases so relational database management system software that manages the databases. 10 00:01:16,530 --> 00:01:28,590 Examples include Oracle Microsoft secure server dbe to my school and a few others. 11 00:01:28,920 --> 00:01:32,770 This is an illustration of a database. 12 00:01:32,820 --> 00:01:35,260 The database is the blue cylinder. 13 00:01:35,460 --> 00:01:45,540 It has two tables at the table of fruits and table core vegetables both tables have got three columns 14 00:01:45,870 --> 00:01:48,690 and two rows. 15 00:01:48,760 --> 00:01:53,120 I see the name on the column I mean name uncoloured. 16 00:01:53,310 --> 00:01:55,720 They are afraid to ask columns. 17 00:01:55,770 --> 00:01:58,190 They've both got two rows. 18 00:01:58,350 --> 00:02:01,030 The rows are one and two. 19 00:02:01,170 --> 00:02:03,410 So these are refers to as role. 20 00:02:03,500 --> 00:02:04,430 Going this way. 21 00:02:04,540 --> 00:02:08,260 So everything in record 2 is known as a roll. 22 00:02:08,340 --> 00:02:18,210 So if I want to reference records from records from row number two I'll be talking about idae the name 23 00:02:18,390 --> 00:02:19,900 and the collazo or these. 24 00:02:19,900 --> 00:02:27,020 Here Brown Kiwi and two collectively known as is required from a roll. 25 00:02:27,330 --> 00:02:28,880 So book tables. 26 00:02:28,890 --> 00:02:38,940 I've also got some relationship they but have a column called Carla and the day tucked inside the kolok 27 00:02:39,210 --> 00:02:42,450 column are identical. 28 00:02:42,450 --> 00:02:48,170 You've got a colour green here you've got the colour green then you've got a colour brown and ikle of 29 00:02:48,180 --> 00:02:48,780 brown. 30 00:02:48,900 --> 00:02:52,730 So there is some relation between both tables. 31 00:02:52,860 --> 00:03:04,030 So this data base can be considered a relational database because it has two tables with a relationship. 32 00:03:04,440 --> 00:03:10,760 In this video we went through some of the key database concepts. 33 00:03:10,860 --> 00:03:20,520 By definition we describe what a database is is a collection of organize information of data stored 34 00:03:20,520 --> 00:03:21,530 in a table. 35 00:03:21,810 --> 00:03:32,700 A table stores information in rows and columns relational database database with two or more related 36 00:03:32,700 --> 00:03:37,610 tables and their relational database management system. 37 00:03:37,610 --> 00:03:41,300 This is the software that manages the databases. 38 00:03:41,610 --> 00:03:44,470 Thank you so much for watching this video. 39 00:03:44,700 --> 00:03:47,960 I hope the vehicule has been useful. 40 00:03:48,000 --> 00:03:49,530 You have a good day. 41 00:03:49,530 --> 00:03:50,560 Bye for now.