Title: ??sa???? st?? ??se?? ?ed?
11
- ??sa???? st?? ??se?? ?ed?µ????
- ?????? ?p????e?s?? ?a? ??a?e???s?? ?ed?µ????
- S?st?µata ???e???
- S?st?µata ??se?? ?ed?µ????
- ?a?ad?s?a??? ?a? S??????e? ?fa?µ????
2?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
?????? ??a?e???s?? ?ed?µ????
- ?a ded?µ??a s?µe?a ?p?????? pa?t?? ?a? s?ed?? ta
p??ta ?ata???f??ta?. ???s?µ?p?????ta? se ???e
??ße???t???, st?at??t???, pa?a??????, eµp?????,
ep?st?µ????? d?ast????t?ta. - ?? µe???e? p?s?t?te? ded?µ???? ep?ß?????? t??
e??es? ap?te?esµat???? µe??d?? ap????e?s??. ?a
ded?µ??a p??pe? ?a e??a? ???a??µ??a ?ste ?a
d?e??????eta? ? a?a??t?s? ?a? ? e??µ???s? t???. - ?ed?µ??a ????? s???e???µ??? d?µ? ep?f?????
p??ß??µata. ? ??a?e???s? ?ed?µ???? (data
management) as???e?ta? µe ta p??ß??µata a?t?.
3?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
S?st?µata ???e??? ? a????? p??s????s?
- ???? t?? eµf???s? t?? ß?se?? ded?µ????, ?
ap?-???e?s? ?a? ? d?a?e???s? t?? ded?µ???? ?ta?
st?? e????? t?? p????aµµ?t?? efa?µ????. - ? ap????e?s? t?? ded?µ???? ????ta? se a??e?a t??
?e?t???????? s?st?µat??. - ? a?????s?, ap????e?s? ?a? e??µ???s? t??
ded?-µ???? a???e st?? e????? t?? p????aµµat?st?
t?? efa?µ????.
4?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
S?st?µata ???e??? ? a????? p??s????s?
5?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
?e???e?t?µata ? e????? t?? p????aµµat?st?
- ? p????aµµat?st?? t?? efa?µ???? e??a? ?pe??????
??a t? s?st? e??µ???s? t?? a??e??? t?? ded?µ????,
a?????a µe t?? e?sa????? ?a? t?? d?a??af?? p??
p?a?µat?p?????ta?. - ?at? t?? a?a??t?s? st???e??? ?a p??pe? se p??t?
st?d?? ?a p??sd????st??? ta a??e?a p??
apa?t???ta? ?a? se de?te?? st?d?? ?a ???e?
p??se?t??? a?????s? t?? ded?µ????, s??d?????ta?
?at?????a t?? p????f???e? p?? pe??????? ta
d?af??et??? a??e?a. - ? ?at?stas? d?s???e?e? ?s? a????eta? ? a???µ??
t?? a??e??? ded?µ???? ?a? ?s? a????eta? ?
p???p????t?ta t?? e??t?µ?t??.
6?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
?e???e?t?µata ? d?µ? t?? a??e???
- ? d?µ? t?? a??e??? ?a?????eta? ap? t?? efa?µ???.
??t? ??e? ?? ap?t??esµa ?a e??a? d?s???? ? a??a??
t?? d?µ?? e??? a??e???. - ?????? f???? pa???s???eta? ? a????? ?a p??ste?e?
??a ??? ?a?a?t???st??? sta ded?µ??a. Se µ?a
t?t??a pe??pt?s? p??pe? afe??? ?a µetaß???e? ?
d?µ? t?? a??e??? ?ste ?a d?µ???????e? ????? ??a
t? ??? ped??, ?a? afet???? ?a µetaß???e? ? ??????
t?? efa?µ???? ?ste ?a ??f?e? t? ??? ped?? ?p???
?at? t?? a?a??t?s?, e?sa???? ?a? d?a??af?
ded?µ????. - ?? a??a??? a?t?? e??a? ?????ß??e? ?a? ep????d??e?
??a t?? a?e?a??t?ta t?? ded?µ????.
7?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
?e???e?t?µata ep????d???? p????a??sµ??
- ?f?s?? ? t??p?? d?µ??????a? t?? a??e???
?a?????eta? ap? t?? efa?µ???, ? µ??f?p???s? t??
a??e??? e?a?-t?ta? ap? t?? e??st?te ???ssa
p????aµµat?sµ??. - ?? ?e????? a?t? d?µ?????e? d?s????e? ?ta?
apa?te?ta? ? ???s? t?? a??e??? ap? d?af??et????
efa?µ???? ? ?ta? apa?te?ta? ? ?atas?e?? t??
a??e??? ap? d?af?-?et????? p????aµµat?st?? p??
???s?µ?p????? d?af?-?et???? ???sse?
p????aµµat?sµ?? se d?af??et??? ?e?t???????
s?st?µata. - ?? p??ß??µa e??a? ?d?a?te?a ??t??? ?ta? ta
ded?µ??a ap????e???ta? se d?ad??? (binary) µ??f?
?a? ??? se a?fa???µ?t??? (alphanumeric, text)
µ??f?.
8?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
?e???e?t?µata ta?t?????e? p???e??
- Se p????? pe??pt?se?? ? efa?µ??? e??p??ete?
p?????? ???ste? ta?t?????a. ? d?asf???s? t??
p??stas?a? ?a? t?? a?e?a??t?ta? t?? ded?µ????
?at? t?? ta?t?????? a?a??t?s?, e?sa???? ?a?
d?a??af? st???e??? e??a? a??et? pe??p???? (p?.
??at?se?? ??se??). - ?p?s??, se s???e???µ??e? ?e?t?????e? p??pe? ?a
d?asfa-???eta? ? at?µ???t?ta t?? e?t??es?? (p?.
t?ape????? s??a??a???).
9?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
?e???e?t?µata d??a??µata ???st??
- St? ?e???? pe??pt?s?, ???e ???st?? t?? efa?µ????
??e? d?af??et??? d??a??µata s?et??? µe t??
p??sp??as? t?? ded?µ????. - ? efa?µ??? t?? ?a????? p??stas?a? t?? ded?µ????
?ste ?a ap?fe????ta? d?s??este? ?atast?se??
ap?-?e?a? ded?µ???? (e?te ?at? ?????, e?te
es?eµµ??a) st?????µe??? sta e??a?e?a t??
?e?t???????? s?st?µat?? e??a? d?s???a ?at????t?. - ?p?p????, e??a? p??? d?s???? ?a ???s??µe
d?af??et??? d??a??µata µ?sa st? ?d?? a??e??.
10?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
?e???e?t?µata d?s?aµ??a sta e??t?µata
- ?f?s?? ? ?????? t?? a?a??t?s?? st???e??? ap? ta
a??e?a ded?µ???? ???p??e?ta? st?? ??d??a t??
efa?µ????, ?? d?af??et???? t?p?? e??t?µ?t?? p??
µp??e? ?a de??e? ? efa?µ??? e??a? pe?????sµ????
?a? p??pe? ?a ???p??????? e? t?? p??t????. - ??t? ap?te?e? a??et? desµe?t??? pa?????ta
?aµß????ta? ?p??? ?t? e??a? s?ed?? ad??at? ?a
p??ß?????µe ??a ta d??at? e??t?µata p?? µp??e? ?a
ep???µe? ?a ??se? ??a? ???st??.
11?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
??se?? ?ed?µ???? ? e?a??a?t??? p??s????s?
- ??s? ?ed?µ???? (database) ap?te?e? µ?a s??????
st???e??? s?et???? µeta?? t??? ta ?p??a e??a?
d?µ?µ??a ?a? ?ata????sµ??a µe ?at?????? t??p?. - S?st?µa ??a?e???s?? ??se?? ?ed?µ???? (database
management system) e??a? µ?a s?????? ????sµ????,
? ?p??a ???p??e? ??e? ?? ?e?t?????e? p?? p??pe?
?a ?p?st????????, ?p?? a?a??t?s?, e?sa????,
d?a??af?, s???????sµ?? p??spe??se??, p??stas?a
?a? p????? a??µ?. - S?st?µa ??s?? ?ed?µ???? (database system) e??a?
µ?a ?? µa?? µe t? a?t?st???? ????sµ??? S???.
12?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
??se?? ?ed?µ???? ? e?a??a?t??? p??s????s?
13?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
??se?? ?ed?µ???? ? e?a??a?t??? p??s????s?
- ??e??e?t?µata
- ?e????af? ?ed?µ???? (µetaded?µ??a ded?µ??a ??a
ta ded?µ??a, ?at?????? s?st?µat??). - ??e?a?t?s?a ?ed?µ???? ?a? ?e?t??????? (de?
a??????? ta p?????µµata efa?µ???? ?ta? a???????
ta ded?µ??a). - ?p?d?t???te?? ??a?e???s? ?ed?µ???? (?
p????aµ-µat?st?? ep??e?t???eta? st?? efa?µ??? ?a?
??? sta ded?µ??a ?a? t??? a??????µ???
epe?e??as?a? t???).
14?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
??se?? ?ed?µ???? ? e?a??a?t??? p??s????s?
- ??e??e?t?µata
- ???stas?a ?ed?µ???? ?a? ???a??µata ???st??
- (??a ???e s????? ded?µ???? ?e????st?).
- ???a??sµ?? ?a?t??????? ???sp??as??
(p??sf???-?ta? ap? t? s?st?µa µ??a??sµ??
??e?da????). - ?pe?tas?µ?t?ta (se µe??d???, ???ste?, ded?µ??a,
efa?µ????, ?p?????st??, d?s???? ??p).
15?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
?a?ad?s?a??? ?fa?µ????
- ??s??d?s?a
- ??at?se?? T?se??
- ??ape????? S??a??a???
- ??a?e???s? ?ta?????? ?ed?µ????
- ?µes? ?pe?e??as?a S??a??a??? (On-line
transaction processing - OLTP)
16?ef??a?? 1 ??sa???? st?? ??se?? ?ed?µ????
S??????e? ?fa?µ????
- ????µes???? efa?µ???? (multimedia DBs)
- ??a?e???s? ?e???af???? p????f????? (GIS)
- ?µes? a?a??t??? epe?e??as?a (OLAP)
- ??????? ded?µ???? (data mining)
- ????t?s? p????f???a? (information retrieval)
- ??a?e???s? ?????µe??? a?t??e?µ???? (moving
objects) - ????t?? ?p?????sµ?? (mobile computing)