1 00:00:00,720 --> 00:00:04,560 Hello and thank you for signing up to this course. 2 00:00:04,560 --> 00:00:11,660 This video will introduce you to some guidelines that you may want to follow. 3 00:00:11,670 --> 00:00:14,420 Weigh in right in rescue her query's. 4 00:00:14,510 --> 00:00:16,770 They are only guidelines. 5 00:00:16,770 --> 00:00:20,910 They are not set in stone is just too great. 6 00:00:21,150 --> 00:00:21,490 Right. 7 00:00:21,490 --> 00:00:30,450 We begin with the obscure statements insecure statements are not case sensitive health cure Simmons 8 00:00:30,460 --> 00:00:34,780 men's camby on one or more on line. 9 00:00:35,280 --> 00:00:41,730 Key words can not be a private or split across lines. 10 00:00:42,000 --> 00:00:47,500 So is it good practice to police Klaus on a separate line. 11 00:00:47,910 --> 00:00:52,720 Always end your statements with a semicolon. 12 00:00:54,990 --> 00:01:01,260 Indent your code wherever possible to make it easy to read. 13 00:01:01,590 --> 00:01:05,690 Use upper case for key words. 14 00:01:05,970 --> 00:01:15,570 Although as the holiday table names clomps in lower case you can use upper Keys for the key words and 15 00:01:15,570 --> 00:01:20,710 then things like table names some column names use lowercase. 16 00:01:20,820 --> 00:01:25,470 I personally tend to use upper case with everything. 17 00:01:25,470 --> 00:01:27,800 That means your preference of mine. 18 00:01:27,840 --> 00:01:31,690 Again this is just guidelines so you don't have to follow it. 19 00:01:31,710 --> 00:01:39,520 It's just a guideline to use upper case for keywords and then for table names a column name to use lowercase 20 00:01:40,350 --> 00:01:46,570 Eskew a statesmen's also known as query or script. 21 00:01:47,640 --> 00:01:54,990 Key word usually refers to individual escudo element for example. 22 00:01:55,020 --> 00:02:08,490 Select and from a no less keywords som database systems like horror or Microsoft's obscure server so 23 00:02:08,700 --> 00:02:13,240 have their own version of the obscure language. 24 00:02:13,470 --> 00:02:21,720 However they all have to perform setting functions in the same way and the function they perform in 25 00:02:21,720 --> 00:02:24,230 the same way is no house. 26 00:02:24,250 --> 00:02:27,720 Crowd C R U. 27 00:02:27,840 --> 00:02:40,290 D stands for create reeg of date and delete all support these functions in this same way. 28 00:02:40,480 --> 00:02:50,560 So all databases use select or date delete set home where these qualifiers are used. 29 00:02:50,580 --> 00:02:54,860 Or database systems in this same way. 30 00:02:55,200 --> 00:03:02,670 So these guidelines are just guidelines so you can follow them if you wish but they are just guidelines 31 00:03:02,670 --> 00:03:07,280 to help you write better rescuer queries. 32 00:03:08,010 --> 00:03:10,590 So thank you for watching this video. 33 00:03:10,620 --> 00:03:16,160 I just Kavos some of the some few guidelines that you may want to follow. 34 00:03:16,190 --> 00:03:20,110 You write obscure queries they are on the guidelines. 35 00:03:20,140 --> 00:03:23,850 They're not set in stone but I just saw it in their mouth. 36 00:03:23,850 --> 00:03:25,790 In case you want to use them. 37 00:03:26,010 --> 00:03:28,060 Thank you and bye for now.