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Text File | 1990-06-16 | 3.0 KB | 220 lines

*102010 C13,0 rââΦ─ räâ° Session 1 ∙ What is a database? rºâΦ ¿─ rüäÉ ╨ rüàÉ ╨ rüåÉ ╨ rüçÉ ╨ rüêÉ ╨ rüëÉ ╨ rüèÉ ê The data in the card catalog is constantly increasing as new ï rüïÉ ╨ rüîÉ ê books are added to the collection. ó rüìÉ ╨ rüÄÉ ╨ rüÅÉ ê The data is stored on cards so that changes can be made easily. ë rüÉÉ ╨ rüæÉ ê New cards can be added in order, and old cards can be replaced rüÆÉ ╨ rüôÉ ê with new ones. « rüöÉ ╨ rüòÉ ╨ rüûÉ ╨ rªÿ≡Press r¡ÿ°──┘ r▒ÿ≡ to continue or r├ÿ°F5 r┼ÿ≡ to exit q╧ÿ╕S,,,,,, QC1 a7,G,,,,,, a8,P,,,,&H0D,, a8,C,D002,,,&H003F,, *102015 C7,0 rëè╕ ╜ rëî╕ ó rëÅ╕ ┐ rëæ╕ ┐ rëô╕ É q╧ÿ╕P,1,,,,, a1,P,,,,,, *102020 C2,0 rëèÉThe card catalog does have restrictions, though. rëìÉIf the library needs a list of all its books published in rëÅÉ1955, searching through all the cards and writing a list rëæÉwould be long and tedious. q╧ÿ╕S,,,,,, QC1 a7,G,,,,,, a8,P,,,,&H0D,, a8,C,D002,,,&H003F,, *102025 C7,0 rëè╕ ▒ rëì╕ ╗ rëÅ╕ ╣ rëæ╕ Ü q╧ÿ╕P,1,,,,, a1,P,,,,,, *102030 C14,0 r╡å≡Book data IN rëçÉIf the library used dBASE IV d╗çÉ rëëÉto store its data instead of r│ëç æ r│èç r┬èç r├èτ. rëïÉthe card system, the r│ïç r╖ï╨dBASE IV r┬ïç : r│îç r┬îç rëìÉlibrarian could create lists r│ìç r┬ìç - r│Äç æ_ rëÅÉof books by dates or titles r░Å╖ ■ ò r░É╖ å│ r╣É░ ╞═█═╡ ╞═█═╡ r╞É╖ rëæÉquickly and efficiently. r░æ╕ ù▀ d╗ÆÉ r░ö°Organized information OUT q╧ÿ╕S,,,,,, QC1 a7,G,,,,,, a8,P,,,,&H0D,, a8,C,D002,,,&H003F,, *102035 C7,0 r╡å╕ î rëç╕ ╛ rëê╕ ╛ rëë╕ ╛ rëè╕ ╛ rëï╕ ╛ rëî╕ ╛ rëì╕ ╛ rëÄ╕ ╛ rëÅ╕ ╛ rëÉ╕ ╛ rëæ╕ ╛ d╗Æ╕ r░ö╕ Ü rªÿ╕ ¿ q╧ÿ╕P,1,,,,, a1,P,,,,,, *102040 C14,0 r¿è≡┌ è─┐ råïÉNew lists could be made r¿ï≡│ è │ r¿î≡│ r¼îÉBOOK r│î≡│ råìÉfrom the original data r¿ì≡│ r¼ìÉdata r│ì≡│ r¿Ä≡│ è │ råÅÉwhen needed. r¿Å≡│ è │ r¿É≡│ è │ r¿æ≡└ è─┘ q╧ÿ╕P,3,,,,, a1,P,,,,,, *102050 C2,0 r¿àÉ┌ ¥─┐ r¿åÉ│ r¬å≡Alphabetical list by author r╞åÉ│ r¿çÉ└ ¥─┘ d«êÉ││ q╧ÿ╕P,2,,,,, a1,P,,,,,, *102060 C2,0 r╕ëÉ┌ ô─┐ r╕èÉ│ r║è≡Alphabetical list r╦èÉ │ r┤ïÉ─── │ r║ï≡by subject r╠ïÉ│ r╕îÉ└ ô─┘ q╧ÿ╕P,2,,,,, a1,P,,,,,, *102070 C2,0 r╕ÄÉ┌ æ─┐ r┤ÅÉ─── │ r║Å≡List by call r╩ÅÉ│ r╕ÉÉ│ r║É≡number r╩ÉÉ│ r╕æÉ└ æ─┘ q╧ÿ╕P,2,,,,, a1,P,,,,,, *102080 C2,0 d▒ÆÉ││ r½öÉ┌ £─┐ r½òÉ│ r¡ò≡Chronological list by date r╚òÉ│ r½ûÉ└ £─┘ q╧ÿ╕P,2,,,,, a1,P,,,,,, *102090 C14,0 rªÿ≡Press r¡ÿ°──┘ r▒ÿ≡ to continue or r├ÿ°F5 r┼ÿ≡ to exit q╧ÿ╕S,,,,,, QC1 a7,G,,,,,, a8,P,,,,&H0D,, a8,C,D002,,,&H003F,, *102100 C7,0 råï╕ ÿ ràì╕ ÿ råÅ╕ ì q╧ÿ╕P,1,,,,, a1,P,,,,,, *102110 C2,0 r¬åÉAlphabetical list by author r║èÉAlphabetical list råïÉ £ r║ïÉby subject råîÉEach list is organized r¬î≡ BOOK råìÉ £ r¬ì≡ data råÄÉdifferently, but the original råÅÉ ¢ r║ÅÉList by call råÉÉdata remains unchanged. r║ÉÉnumber råæÉ ç r¡òÉChronological list by date q╧ÿ╕S,,,,,, QC1 a7,G,,,,,, a8,C,D103,,,&H0D,, a8,C,D002,,,&H003F,,