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Oracle Interview Question Help Plz ..


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Posted

[quote name='google2011' timestamp='1335455844' post='1301691220']
nuv ne dayyam story chepta anav kada .... avna ?? chestanu [b]all is well aa[/b]? ??


ne kayaking etla ayindi ??
[/quote]
nenu adagaali adi

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Posted

[quote name='Little Star' timestamp='1335455896' post='1301691224']
nenu adagaali adi
[/quote]

hehhee... no little :( :( .. kashataluuu kanniluuu jeevithammmmmmmmmm ooo
anattu undi ...
job gurinchi adugutunava ??

job extend ayindi re ... starting lo questions gurtochi ela thrd esa ... future lo use ayitadi kada ani :P

Posted

[quote name='google2011' timestamp='1335455796' post='1301691217']



complicated ani kadu .. cache build chestadi ok .. kani mapping start ayinapudu build cheyadam lo advantage emundi ani ??
[/quote]dani avasaram vacchinappudu data ready ga untadi cache lo....adee connected ayite dani avasaram vacchinappudu cache build cheyyatam start chesi adi ayyaka appudu values return settadi

Posted

[quote name='google2011' timestamp='1335456043' post='1301691239']


hehhee... no little :( :( .. kashataluuu kanniluuu jeevithammmmmmmmmm ooo
anattu undi ...
job gurinchi adugutunava ??

job extend ayindi re ... starting lo questions gurtochi ela thrd esa ... future lo use ayitadi kada ani :P
[/quote]congrats..eppatidaka

Posted

[quote name='google2011' timestamp='1335456043' post='1301691239']
hehhee... no little :( :( .. kashataluuu kanniluuu jeevithammmmmmmmmm ooo
anattu undi ...
job gurinchi adugutunava ??

job extend ayindi re ... starting lo questions gurtochi ela thrd esa ... future lo use ayitadi kada ani :P
[/quote]inni kashtalu em bharisthav kani..building 20th fllor window open chesi pettina..go n )o_

Posted

[quote name='Little Star' timestamp='1335456129' post='1301691245']
inni kashtalu em bharisthav kani..building 20th fllor window open chesi pettina..go n )o_
[/quote]

naku okadaniki bayam re .. nuv kuda dhaa..kalsi dhukudam :P :P

pranav,the cute boy :P (nannu thittaku eppduu )

Posted

[quote name='ganesh' timestamp='1335456111' post='1301691244']
congrats..eppatidaka
[/quote]


thank you ..6 months ankunta ..

Posted

[quote name='google2011' timestamp='1335456213' post='1301691251']
naku okadaniki bayam re .. nuv kuda dhaa..kalsi dhukudam :P :P

pranav,the cute boy :P (nannu thittaku eppduu )
[/quote]
naa reply guess chesi untav kada :D..sarele intiki goin..kudirthe call kar

Posted

[quote name='Little Star' timestamp='1335456417' post='1301691276']
naa reply guess chesi untav kada :D..sarele intiki goin..kudirthe call kar
[/quote]


hehehhee... vinapadindi ... intiki aa ?? enduku ?? emaindi ??? sare call chesta lunch lo .. tc

Posted

[quote name='ganesh' timestamp='1335455563' post='1301691189']
performance baguntundi...i mean its faster
reason
unconnected lookup mapping start avvagane lookup cache build chesukuntundi....connected emo aa lookup invoke ayinappude cache build cheyyatam start chestundi
[/quote]

idhi valid reason kaadhu anukunta ganesh bayya...
[color=#666666][font=Arial]



[color=#333333][font=arial][size=3]The cache for unconnected or connected lookup, is built only when a source record tries to use the lookup. If you have an unconnected lookup in the mapping and if it is not called anywhere in the expressions etc, then cache WILL NOT be built on that. [/size][/font][/color][color=#333333][font=arial][size=3]
Cheers
Sarma.
[url="http://radhakrishnasarma.blogspot.com/"]http://radhakrishnasarma.blogspot.com[/url][/size][/font][/color][/font][/color]
see in below link [url="http://datawarehouse.ittoolbox.com/groups/technical-functional/informatica-l/regarding-unconnected-lookup-cache-2997375"]http://datawarehouse.ittoolbox.com/groups/technical-functional/informatica-l/regarding-unconnected-lookup-cache-2997375[/url]

Google11, nuvvu cheppina question lo probably nenu connected use chestha ani chebtha... endhukante, if in future there is a case of adding some columns to the look up table, there will not be much change in the logic!!

Posted

nannu oka interviewer oka paniki malina question adigaadu,

assalu entity relationship model lo anni tables endhuku create cheyyali... anni columns ni kalipi oka table lo pettesthe saripotundhi kadha! anni mappings create cheyyakkarledhu kadha ani adigaadu...

oka 20 mins aadiki explain chesa... babu ala kashtam ra nayanaa ani... vinadee... naa burra tinnadu daridrudu!

Posted

[quote name='jaffanajeffada' timestamp='1335466817' post='1301692836']
idhi valid reason kaadhu anukunta ganesh bayya...




[color=#666666][font=Arial][color=#333333][font=arial][size=3]The cache for unconnected or connected lookup, is built only when a source record tries to use the lookup. If you have an unconnected lookup in the mapping and if it is not called anywhere in the expressions etc, then cache WILL NOT be built on that. [/size][/font][/color]
[color=#333333][font=arial][size=3]Cheers
Sarma.
[url="http://radhakrishnasarma.blogspot.com/"]http://radhakrishnasarma.blogspot.com[/url][/size][/font][/color][/font][/color]
see in below link [url="http://datawarehouse.ittoolbox.com/groups/technical-functional/informatica-l/regarding-unconnected-lookup-cache-2997375"]http://datawarehouse...p-cache-2997375[/url]

Google11, nuvvu cheppina question lo probably nenu connected use chestha ani chebtha... endhukante, if in future there is a case of adding some columns to the look up table, there will not be much change in the logic!!
[/quote]
if future lo em columns add cheyaru ... table alane static untadi .. then ??

Posted

[quote name='jaffanajeffada' timestamp='1335466970' post='1301692861']
nannu oka interviewer oka paniki malina question adigaadu,

assalu entity relationship model lo anni tables endhuku create cheyyali... anni columns ni kalipi oka table lo pettesthe saripotundhi kadha! anni mappings create cheyyakkarledhu kadha ani adigaadu...

oka 20 mins aadiki explain chesa... babu ala kashtam ra nayanaa ani... vinadee... naa burra tinnadu daridrudu!
[/quote]

emani explain chesavo kuda ekkada veyachu kada jaffa?

Posted

[quote name='google2011' timestamp='1335467023' post='1301692868']
if future lo em columns add cheyaru ... table alane static untadi .. then ??
[/quote]

appudu edhi use chesina okate... doesn't matter!!

Posted

[quote name='google2011' timestamp='1335467066' post='1301692878']
emani explain chesavo kuda ekkada veyachu kada jaffa?
[/quote]
data mart data partitioning..schemas adhi idhi ani...samepshi untaadu..
Normal forms all three types cheppi...performance wise describe chesindu emo..

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