--------------- -------------------- ---------------------------------- 100022 05/07/94 20 100041 01/08/94 91 Auto Insurance in Michigan: What is the need for liability covereage? I will fix that. 4 Heathrow-Edinburgh 9 PXR 153 3 SDR 158 BD414 HROW LBDR 1145 1235 Light Meal DC9 6 4 SBS 49 100100 BD771 5 02/10/94 SDR 3 SDS 79 100001 BD95 2 05/08/94 BUR 022 2426 20 178299 FARES: BD776 HROW BIRM 1230 1320 Coffee ATP 14 ------------ ----------------- 93 K E Kendall 11 Rosedale Avenue BD771 BIRM HROW 0655 0745 Breakfast ATP 14 The view facility allows us to write views (which act as virtual tables) on the schema. 100012 01/06/94 21 adescription varchar(40), 100022 BD419 2 08/08/94 BUR AIRPORT: 26 J Millar Englewood Cliffs 061 343 881 (pid integer not null, GLAS Glasgow Desks 60-64/Gate 8 20 mins before departure 041 204 9030 2 7207167 DUBL Dublin Check-in 20 mins prior to departure 01 423 555 TICKET: 5895599 081 7457321 21 G B Davis 25 Allenby Road An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. 100020 15/08/94 30 BD224 HROW EMID 1100 1150 Coffee ATP 15 BD782 HROW BIRM 1755 1840 Coffee ATP 14 BD414 HROW LBDR 1145 1235 Light Meal DC9 6 Manager can cross view the other data but he can alter data for airport under his belt only- this i think will be applied via front-end application using 'APEX'. BD652 BRUS BIRM 1005 1010 Breakfast DC9 9 4 SBS 49 BD412 HROW LBDR 0850 0945 Breakfast DC9 6 PARI Paris Hall 22 Terminal 1 30 mins before flight 14742 14444 TEES Teeside 15 mins heavy baggages,10 mins hand baggage 0642 A sub property of description. Since, i am amateur and still learning so i have tried to kept the problem statement simple with limited entities involved: Airport serves a city but every city may not have an airport. TEES Teeside 15 mins heavy baggages,10 mins hand baggage 0642 BD80 HROW BELF 0725 0840 Breakfast 737 3 CREATE TABLE Fares 100022 BD412 1 07/08/94 BUR LBDR Leeds/Bradford Check-in 15 mins before flight for baggage -------------- ---------- --- Airports may have one runway or more than one. Here is the relational schema … -------------- -------------- -------- faretype char(3) not null, --------------------- ---------------------- ------------- HROW Heathrow Island A/B Terminal-1 20 mins before flight 081 100030 BD275 4 06/09/94 KFS 100030 BD255 2 02/09/94 EXR 100020 BD655 2 20/08/94 EUR BELF Belfast Desks 18 and 19, 15 mins before flight 023 2325151 Indicates a potential Action, which describes an idealized action in which this thing would play an 'object' role. BD658 BRUS BIRM 2005 2010 Dinner DC9 9 --------------------- ---------------------- ------------- DUBL Dublin Check-in 20 mins prior to departure 01 423 555 9030 2 7207167 Use PDF export for high quality prints and SVG export for large sharp images or embed your diagrams anywhere with the Creately viewer. 100020 15/08/94 30 database’s schema. About CHL 100022 BD419 2 08/08/94 BUR AIRCRAFT: BD227 EMID HROW 1535 1625 Coffee ATP 15 100001 BD95 2 05/08/94 BUR Reservation #RXJ34P Passenger: Eva Green Flight: United Airlines Flight 110 Operated By: Continental Airlines Departing: San Francisco Airport (SFO) 2017-03-04T20:15:00-08:00 Arriving: John F. Kennedy International Airport (JFK) 2017-03-05T06:30:00-05:00 Passenger Sequence Number: ABC123 Boarding priority: FastTrack Boarding policy: zone-based Security screening: TSA PreCheck PARI Paris Hall 22 Terminal 1 30 mins before flight 14742 14444 noseats smallint ); BD775 BIRM HROW 1200 1245 Coffee ATP 14 100022 05/07/94 20 BD95 BELF HROW 2120 2230 Dinner 737 3 11 East Midlands-Belfast 14 SBS 33 BD777 BIRM HROW 1420 1505 Coffee ATP 14 All rights reserved. BD255 EMID PARI 1250 1455 Lunch DC9 13 3 BUR 117 ROUTENO RDESCRIPTION rdescription varchar(40) ); Thanks for your help. BD228 HROW EMID 1655 1745 Coffee ATP 15 11 KFS 59 Here is the relational schema i have worked so far: I am confused over manager relation considering what i am trying to implement. 0532 451991 Information from other properties (in particular, name) may be necessary for the description to be useful for disambiguation. 100012 BD655 2 15/08/94 APR CREATE TABLE Tariff 24 C Evans 63 Kew Green SDS Standard Single flightinfo varchar(12) ); APR Advanced Purchase Return 60 days advanced booking When we change the logical schema itself (the definitions of the tables that compose the database), we only need to modify the views’ definitions accordingly. GLAS Glasgow Desks 60-64/Gate 8 20 mins before departure 041 204 91 T Pittman The Little House 100051 BD589 2 07/09/94 SDR 15 Heathrow-East Midlands The kind of aircraft (e.g., "Boeing 747"). BRUS Brussels Sabena check-in desks 30 mins before flight 2 511 Remember the database is a data store and business logic is belt dealt with at the application layer. 219444 100002 25/07/94 28 28 J D Ullman 1 Microsoft Way Runway has a name and length. TICKETNO TICKETDATE PID Now, If i also put airport PK in manager table, will that change the relationship nature? DC9 McDonnel Douglas Jet 120 BD257 EMID PARI 1530 1735 Afternoon Tea DC9 13 CREATE TABLE Airport Why is vote counting made so laborious in the US? 100100 BD774 2 24/09/94 SDR BD775 BIRM HROW 1200 1245 Coffee ATP 14 4 SDR 162 Table Data 100020 BD652 3 23/08/94 EUR
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