1 00:00:01,349 --> 00:00:05,410 texas one thirty cheetos mister where are we talking you to conquer two 2 00:00:05,410 --> 00:00:09,359 nations of the pleasant for delivery of the dinosaur to a certain dollar to 3 00:00:09,359 --> 00:00:10,888 study thirteen 4 00:00:10,888 --> 00:00:13,128 didi thirty-four 5 00:00:13,128 --> 00:00:15,798 open it up 6 00:00:15,798 --> 00:00:19,868 felt then appear on concrete and they were looking out for about their own 7 00:00:19,868 --> 00:00:26,868 kolkata nation before 8 00:00:28,318 --> 00:00:31,210 already productivity much depth thirty days 9 00:00:31,210 --> 00:00:34,350 it is slowly because i used to 10 00:00:34,350 --> 00:00:39,020 begin to create they datasheet for booking so we can still see inflation up 11 00:00:39,020 --> 00:00:40,820 bookings 12 00:00:40,820 --> 00:00:45,100 uh... and i'm going to quickly first of all in a moment a contract to make up 13 00:00:45,100 --> 00:00:49,359 the filled there's not much point in explaining fuel concatenation his you're 14 00:00:49,359 --> 00:00:51,409 looking to the video because 15 00:00:51,409 --> 00:00:54,089 you know his unit not to do it the better 16 00:00:54,090 --> 00:00:57,100 or if you know what it is just for a long video daniel 17 00:00:57,100 --> 00:00:59,939 real on more than me telling you 18 00:00:59,939 --> 00:01:01,489 disclose full-length 19 00:01:01,490 --> 00:01:03,789 at a crate 20 00:01:03,789 --> 00:01:06,920 who query design 21 00:01:06,920 --> 00:01:12,680 and we want to booking details and table bookings 22 00:01:12,680 --> 00:01:14,110 azemi needs 23 00:01:14,109 --> 00:01:16,890 uh... scrapbooking aunty 24 00:01:16,890 --> 00:01:18,030 looking date 25 00:01:18,030 --> 00:01:22,859 hank historically 26 00:01:22,859 --> 00:01:26,370 clinique checking the check out today 27 00:01:26,370 --> 00:01:27,399 her mighty 28 00:01:27,399 --> 00:01:29,409 and 29 00:01:29,409 --> 00:01:30,030 can anyone 30 00:01:30,030 --> 00:01:32,399 nodes 31 00:01:32,399 --> 00:01:33,320 uh... 32 00:01:33,319 --> 00:01:34,609 sappal run it 33 00:01:34,609 --> 00:01:37,370 we get this 34 00:01:37,370 --> 00:01:44,370 but what i wonder if you know one of her comcast the nation's filled in 35 00:01:44,500 --> 00:01:45,810 so you 36 00:01:45,810 --> 00:01:47,439 critical top here 37 00:01:47,438 --> 00:01:49,549 kirkum build-up 38 00:01:49,549 --> 00:01:55,090 uh... making congress anything you want to school it uh... details 39 00:01:55,090 --> 00:02:00,530 explaining original day by some medical cost and i don't know why 40 00:02:00,530 --> 00:02:03,159 wanted to say is 41 00:02:03,159 --> 00:02:05,599 x_ amount of mice 42 00:02:05,599 --> 00:02:09,060 x cost per night equals in the full value so we give in 43 00:02:09,060 --> 00:02:10,959 so it's good information 44 00:02:10,959 --> 00:02:13,259 well first let me work out the 45 00:02:13,259 --> 00:02:14,549 mound of nights 46 00:02:14,550 --> 00:02:16,099 so let's just use it 47 00:02:16,098 --> 00:02:17,768 date they function 48 00:02:17,769 --> 00:02:19,479 thursday p m 49 00:02:19,479 --> 00:02:22,939 and they don't function gives us the difference between two days and so we 50 00:02:22,938 --> 00:02:26,408 wondered if you see the check-in date and the check outside 51 00:02:26,408 --> 00:02:27,688 table 52 00:02:27,688 --> 00:02:30,209 booking details 53 00:02:30,209 --> 00:02:35,759 check-in date success story 54 00:02:35,758 --> 00:02:39,158 very very first thing we needed to go 55 00:02:39,158 --> 00:02:41,469 which is uh... into inquisition what 56 00:02:41,469 --> 00:02:45,689 peter guilty not announcement proclivities mocking comma okay 57 00:02:45,689 --> 00:02:48,530 to the first thing in st different he didnt fall so he will or actually 58 00:02:48,530 --> 00:02:50,248 measure which it days 59 00:02:50,248 --> 00:02:52,308 many differs date which is 60 00:02:52,308 --> 00:02:53,538 check-in date 61 00:02:53,538 --> 00:02:55,408 ami table 62 00:02:55,408 --> 00:03:01,498 uh... booking details 63 00:03:01,498 --> 00:03:02,978 outbreak 64 00:03:02,979 --> 00:03:04,429 an uncommon 65 00:03:04,429 --> 00:03:06,318 como beckett 66 00:03:06,318 --> 00:03:09,538 for single as a function it gives us the difference in the checking day in the 67 00:03:09,538 --> 00:03:13,508 check-out date and place it's run that's checked out 68 00:03:13,508 --> 00:03:16,198 the case with details 69 00:03:16,199 --> 00:03:19,120 therefore so assistance in the nineteen th is for 70 00:03:19,120 --> 00:03:21,378 places and faces four so that's fine 71 00:03:21,378 --> 00:03:22,719 correct ans is ongoing 72 00:03:22,719 --> 00:03:25,218 tonight is a complex nation bit 73 00:03:25,218 --> 00:03:29,758 who wanted to say alone it's a four six four nights 74 00:03:29,758 --> 00:03:30,718 so we've got 75 00:03:30,718 --> 00:03:33,908 the first in which is a function that's on the state difference we've been using 76 00:03:33,908 --> 00:03:35,818 ampersand 77 00:03:35,818 --> 00:03:37,149 and then 78 00:03:37,149 --> 00:03:42,949 pokemon closed quotation marks an insight step of space and knocks 79 00:03:42,949 --> 00:03:45,180 nervous placed a sick day 80 00:03:45,180 --> 00:03:48,938 so now we've got four nights 81 00:03:48,938 --> 00:03:50,179 so what we're doing a good 82 00:03:50,179 --> 00:03:54,908 concatenation is it just putting up the string 83 00:03:54,908 --> 00:03:58,149 noticed passcode mystery when i was writing the string presented the same 84 00:03:58,149 --> 00:04:00,870 for every single record that we're putting up a string 85 00:04:00,870 --> 00:04:02,968 it also contains very rules 86 00:04:02,968 --> 00:04:07,340 which is kind of reasonable definition of kolkata nation 87 00:04:07,340 --> 00:04:11,558 four lines 88 00:04:11,558 --> 00:04:14,068 and no need for a cut the cost 89 00:04:14,068 --> 00:04:15,868 of p 90 00:04:15,868 --> 00:04:18,209 uh... night so she just 91 00:04:18,209 --> 00:04:23,579 to revamp the someone sent close up and go to table rooms 92 00:04:23,579 --> 00:04:30,579 and we won't cost per night from clearance to use it to your company 93 00:04:35,088 --> 00:04:40,288 the crop 94 00:04:40,288 --> 00:04:43,058 cost on mon 95 00:04:43,059 --> 00:04:46,020 so the first thing we look at the field where setting repairs are filled with a 96 00:04:46,019 --> 00:04:50,448 fiat money away from where which is table ruins 97 00:04:50,449 --> 00:04:52,189 and 98 00:04:52,189 --> 00:04:54,468 plus a criteria room 99 00:04:54,468 --> 00:04:57,069 pointy equals 100 00:04:57,069 --> 00:04:59,428 and 101 00:04:59,428 --> 00:05:04,189 model max cady table 102 00:05:04,189 --> 00:05:06,978 looking details 103 00:05:06,978 --> 00:05:08,870 through monday afternoon 104 00:05:08,870 --> 00:05:13,000 okay so if you learn about d two cups of them another video not 105 00:05:13,000 --> 00:05:14,360 too long ago 106 00:05:14,360 --> 00:05:17,379 for five years ago and dear karl funky so you can understand what we're doing 107 00:05:17,379 --> 00:05:18,050 it 108 00:05:18,050 --> 00:05:20,449 the basement of passing the room i t 109 00:05:20,449 --> 00:05:23,930 somebody tell the cost of my from table rem space in that remarked in every 110 00:05:23,930 --> 00:05:26,860 person who can bring it 111 00:05:26,860 --> 00:05:30,160 for months at one hundred twenty four months at one fifty says take in this 112 00:05:30,160 --> 00:05:32,779 room ideal given us the cost back 113 00:05:32,778 --> 00:05:35,610 scaled back into design d 114 00:05:35,610 --> 00:05:37,800 with details 115 00:05:37,800 --> 00:05:43,278 you can 116 00:05:43,278 --> 00:05:45,468 and hair 117 00:05:45,468 --> 00:05:46,978 put pen to sign 118 00:05:46,978 --> 00:05:50,228 if you own timberland and on the side to an american role 119 00:05:50,228 --> 00:05:54,108 whatever car she saw in you need to know where you are so full months at one 120 00:05:54,108 --> 00:05:55,378 hundred twenty pound 121 00:05:55,379 --> 00:05:58,499 and last but not least won or lost without xd 122 00:05:58,499 --> 00:06:04,340 we're gonna say 123 00:06:04,339 --> 00:06:05,879 for lots of them i don't know 124 00:06:05,879 --> 00:06:07,759 uh... knowledge 125 00:06:07,759 --> 00:06:11,269 plano tx you know 126 00:06:11,269 --> 00:06:13,848 persian ok tonight 127 00:06:13,848 --> 00:06:15,478 uh... 128 00:06:15,478 --> 00:06:17,930 equals 129 00:06:17,930 --> 00:06:22,519 lesotho equals 130 00:06:22,519 --> 00:06:23,399 uh... 131 00:06:23,399 --> 00:06:29,468 an employee produced a going on that date dysfunction 132 00:06:29,468 --> 00:06:31,819 times eliminated 133 00:06:31,819 --> 00:06:37,598 warns that the lookup function 134 00:06:37,598 --> 00:06:39,550 as i can run them 135 00:06:39,550 --> 00:06:44,179 yen's contains invalid syntax why does not surprise me 136 00:06:44,178 --> 00:06:46,579 for ninety and tonight he calls 137 00:06:46,579 --> 00:06:51,550 soni nine percent 138 00:06:51,550 --> 00:06:53,408 equals 139 00:06:53,408 --> 00:06:58,639 four hundred ninety group six hundred 140 00:06:58,639 --> 00:06:59,749 gorgeous new dot 141 00:06:59,749 --> 00:07:03,500 pound sign in again 142 00:07:03,500 --> 00:07:05,918 if you make 143 00:07:05,918 --> 00:07:09,838 uh... yes uh... for marshall hundred twenty pump unlike his for tonight 144 00:07:09,838 --> 00:07:11,629 headache that's only if it 145 00:07:11,629 --> 00:07:13,120 with that 146 00:07:13,120 --> 00:07:16,590 and psychology shift f two e speaker 147 00:07:16,589 --> 00:07:17,378 that if you 148 00:07:17,379 --> 00:07:22,649 exactly what's happening 149 00:07:22,649 --> 00:07:25,399 okay so that's the uh... 150 00:07:25,399 --> 00:07:28,068 thus a string through passing him 151 00:07:28,069 --> 00:07:31,189 so that was competitive nation reap basically create a string for every 152 00:07:31,189 --> 00:07:32,909 single record 153 00:07:32,908 --> 00:07:34,629 but different parts of the stream 154 00:07:34,629 --> 00:07:36,509 uh... change depending on 155 00:07:36,509 --> 00:07:39,009 different other information the record so 156 00:07:39,009 --> 00:07:42,288 for example that they this is dancing the check-in and check-out date as that 157 00:07:42,288 --> 00:07:44,709 changes prior record 158 00:07:44,709 --> 00:07:46,948 the change in also had to do your cup 159 00:07:46,949 --> 00:07:51,908 uh... eight record as a different so the cost of model change as well 160 00:07:51,908 --> 00:07:54,278 concatenated it all together 161 00:07:54,278 --> 00:07:56,930 and we end up with 162 00:07:56,930 --> 00:08:00,769 four my cell in london twenty pound per nite x one leg up 163 00:08:00,769 --> 00:08:03,808 uh... let's say that query 164 00:08:03,809 --> 00:08:08,939 that personally sailors your booking date 165 00:08:08,939 --> 00:08:11,849 descending so we get a nurse on first 166 00:08:11,848 --> 00:08:15,779 and say he recorded query 167 00:08:15,779 --> 00:08:19,728 uh... bookings pics indeed 168 00:08:19,728 --> 00:08:21,389 so that's concatenation 169 00:08:21,389 --> 00:08:24,650 uh... it doesn't have a bit confusing more stimulating and it's just been 170 00:08:24,649 --> 00:08:26,889 important there when you make this field here 171 00:08:26,889 --> 00:08:28,399 he get the right 172 00:08:28,399 --> 00:08:31,899 you make sure you have all the empress ends and you get the right syntax those 173 00:08:31,899 --> 00:08:32,990 down saying 174 00:08:32,990 --> 00:08:38,680 snakes we've got all the ambitions in the right place in yugos brought spaces 175 00:08:38,679 --> 00:08:41,250 tricky it is a bit of a pain bout 176 00:08:41,250 --> 00:08:42,539 is worth doing 177 00:08:42,539 --> 00:08:44,469 so i think you watching dancing expedia