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Building a strong foundation in data engineering: a comprehensive guide for aspiring data analysts

Author: Govindarajan, Gopinath
Publisher: Zenodo
DOI: 10.5281/zenodo.17283604
Source: https://zenodo.org/records/17283604/files/WJARR-2025-1508.pdf
 Co esponding au ho : Gopina h Go inda ajan
Copy igh © 2025 Au ho (s) e ain he copy igh o his a icle. This a icle is published unde he e ms o he C ea i e Commons A ibu ion License 4.0.
Building a s ong ounda ion in da a enginee ing: a comp ehensi e guide o aspi ing
da a analys s
Gopina h Go inda ajan *
Uni e si y o Mad as, India.
Wo ld Jou nal o Ad anced Resea ch and Re iews, 2025, 26(01), 3901-3907
Publica ion his o y: Recei ed on 18 Ma ch 2025; e ised on 26 Ap il 2025; accep ed on 28 Ap il 2025
A icle DOI: h ps://doi.o g/10.30574/wja .2025.26.1.1508
Abs ac
This comp ehensi e a icle explo es he undamen al aspec s o building a s ong ounda ion in da a enginee ing,
ocusing on he ans o ma ion o da a p ocessing and managemen in mode n o ganiza ions. The a icle examines he
e olu ion o da a enginee ing p ac ices, highligh ing he in eg a ion o a i icial in elligence, cloud echnologies, and
au oma ed wo k lows in con empo a y da a a chi ec u es. I in es iga es co e echnical ounda ions, including da abase
managemen , SQL op imiza ion, and Py hon p og amming, while analyzing he impac o cloud-na i e se ices and
dis ibu ed compu ing on da a p ocessing capabili ies. The a icle also del es in o au oma ion and o ches a ion
p ac ices, examining how mode n ools and amewo ks ha e e olu ionized da a pipeline managemen . Addi ionally,
he a icle add esses c i ical aspec s o da a secu i y and go e nance, p o iding insigh s in o eme ging bes p ac ices
and egula o y compliance amewo ks in he da a enginee ing landscape.
Keywo ds: Da a Enginee ing; Cloud Compu ing; Pipeline Au oma ion; Da a Go e nance; Dis ibu ed Sys ems
1. In oduc ion
In oday's apidly e ol ing echnological landscape, he ole o da a enginee ing has unde gone a ans o ma i e shi
ha has ede ined how o ganiza ions handle and p ocess da a. Acco ding o ecen esea ch published in
"Re olu ionizing Real-Time Big Da a Pipelines wi h AI: A Comp ehensi e Guide," he global da a enginee ing ecosys em
has expe ienced an unp eceden ed g ow h a e o 32.7% since 2022, wi h o ganiza ions p ocessing an a e age o 7.5
pe aby es o da a annually h ough hei da a pipelines [1]. This massi e scale o da a p ocessing has led o a
undamen al shi in how businesses app oach hei da a in as uc u e, wi h 78.3% o Fo une 500 companies
implemen ing AI-augmen ed da a pipelines o handle eal- ime p ocessing equi emen s.
The e olu ion o da a enginee ing p ac ices has been pa icula ly no ewo hy in i s impac on o ganiza ional e iciency.
Resea ch om "E olu ion o Da a Enginee ing T ends and Technologies Shaping he Fu u e" indica es ha companies
implemen ing mode n da a enginee ing p ac ices ha e epo ed a 45.2% educ ion in da a p ocessing la ency and a
67.8% imp o emen in da a quali y me ics [2]. This signi ican imp o emen has ansla ed in o angible business
ou comes, wi h o ganiza ions epo ing an a e age cos educ ion o $3.2 million annually in da a managemen
ope a ions. The s udy u he e eals ha mode n da a pipelines ha e achie ed an imp essi e 99.99% up ime, ma king
a subs an ial imp o emen om he 95.5% indus y s anda d o 2020.
The demand o skilled da a enginee ing p o essionals has eached unp eceden ed le els, wi h ma ke analysis showing
a ema kable sho age o quali ied p ac i ione s. Resea ch indica es ha he a io o da a enginee ing posi ions o
quali ied candida es s ands a 8.3:1 in majo echnology hubs, wi h he a e age ime- o-hi e ex ending o 4.5 mon hs
[1]. This sca ci y has d i en signi ican compensa ion inc eases, wi h he median annual sala y o senio da a enginee s
Wo ld Jou nal o Ad anced Resea ch and Re iews, 2025, 26(01), 3901-3907
3902
eaching $172,500 in 2024, ep esen ing a 28.4% inc ease om 2022 le els. Fu he mo e, o ganiza ions a e in es ing
hea ily in upskilling hei exis ing wo k o ce, wi h an a e age annual aining budge o $15,000 pe da a enginee ing
p o essional.
The echnological landscape o da a enginee ing has become inc easingly sophis ica ed, wi h a i icial in elligence
playing a cen al ole in mode n da a a chi ec u es. S udies show ha 89.6% o o ganiza ions ha e in eg a ed AI-
powe ed ools in o hei da a enginee ing wo k lows, esul ing in a 56.2% educ ion in manual in e en ion
equi emen s [2]. The implemen a ion o au oma ed es ing and alida ion p ocesses has led o a 73.4% dec ease in
da a quali y issues, while eal- ime moni o ing sys ems ha e educed inciden esponse imes by an a e age o 82.5%.
These ad ancemen s ha e undamen ally al e ed he skill equi emen s o da a enginee s, wi h 92.7% o job pos ings
now emphasizing expe ise in AI and machine lea ning echnologies.
2. Co e Technical Founda ions
The e olu ion o da a enginee ing has undamen ally ans o med how o ganiza ions app oach da a modeling and
da abase managemen . Acco ding o ecen esea ch, o ganiza ions ha e expe ienced a signi ican shi owa d hyb id
da abase a chi ec u es, wi h 65% o en e p ises now implemen ing bo h SQL and NoSQL solu ions o di e en use
cases [3]. This a chi ec u al app oach has p o en pa icula ly e ec i e, as companies epo a 40% imp o emen in
da a p ocessing e iciency when using he igh da abase ype o speci ic wo kloads.
In he ealm o SQL mas e y, he landscape has e ol ed beyond basic CRUD ope a ions. S udies indica e ha da a
enginee s who possess ad anced SQL op imiza ion skills con ibu e o a 35% educ ion in que y execu ion ime ac oss
la ge-scale da abases [3]. The implemen a ion o ma e ialized iews and op imized indexing s a egies has become
inc easingly c ucial, wi h o ganiza ions epo ing ha p ope ly designed da abase schemas educe s o age
equi emen s by 28% while imp o ing que y pe o mance by 45%.
Py hon's dominance in da a enginee ing has been well-documen ed, wi h esea ch showing ha 82% o da a
enginee ing eams now use Py hon as hei p ima y p og amming language [4]. The in eg a ion o Py hon wi h mode n
da a p ocessing amewo ks has led o a 30% educ ion in de elopmen ime o complex ETL pipelines. Fu he mo e,
o ganiza ions u ilizing Py hon's scien i ic compu ing lib a ies epo a 50% imp o emen in da a p ocessing e iciency
compa ed o adi ional app oaches.
Table 1 Impac o Mode n Da a Enginee ing P ac ices on Ope a ional E iciency [3, 4]
Me ic Ca ego y
Technology/P ac ice
Imp o emen Pe cen age
A chi ec u e
Hyb id Da abase Adop ion
65%
P ocessing
Da a P ocessing E iciency (Hyb id)
40%
SQL Pe o mance
Que y Execu ion Time Reduc ion
35%
Da abase Design
S o age Requi emen Reduc ion
28%
Que y Op imiza ion
Que y Pe o mance Imp o emen
45%
Language Adop ion
Py hon Usage in Teams
82%
De elopmen
ETL De elopmen Time Reduc ion
30%
P ocessing E iciency
Py hon Scien i ic Lib a ies
50%
Pipeline Pe o mance
Da a P ocessing Time Reduc ion
43%
Code Quali y
Code Main ainabili y Imp o emen
37%
Da a Volume
Da a P ocessing Scale Inc ease
250%
Quali y Assu ance
Issue De ec ion Ra e
75%
P oduc ion Reliabili y
Inciden Reduc ion
55%
The syne gy be ween SQL and Py hon capabili ies has c ea ed pa icula ly powe ul ou comes in da a enginee ing
wo k lows. Companies implemen ing bo h echnologies in hei da a pipelines ha e achie ed a 43% educ ion in da a
Wo ld Jou nal o Ad anced Resea ch and Re iews, 2025, 26(01), 3901-3907
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p ocessing ime and a 37% imp o emen in code main ainabili y [4]. This in eg a ion has p o en especially e ec i e in
handling la ge-scale da a ope a ions, wi h o ganiza ions p ocessing an a e age o 2.5 imes mo e da a olume while
main aining he same in as uc u e oo p in .
Mode n da a enginee ing p ac ices emphasize he impo ance o au oma ed es ing and alida ion, wi h esea ch
showing ha eams implemen ing comp ehensi e es ing amewo ks ca ch 75% o po en ial da a quali y issues be o e
hey each p oduc ion en i onmen s [3]. This p oac i e app oach o quali y assu ance has esul ed in a 55% educ ion
in p oduc ion inciden s ela ed o da a pipeline ailu es.
3. Cloud Technology In eg a ion
The landscape o cloud-na i e da a enginee ing has unde gone signi ican ans o ma ion, pa icula ly in how
o ganiza ions app oach in as uc u e and esou ce managemen . Acco ding o ecen esea ch, o ganiza ions
implemen ing cloud-na i e p ac ices ha e achie ed a 56% educ ion in deploymen ime and a 40% dec ease in
ope a ional cos s [5]. The s udy demons a es ha eams adop ing In as uc u e as Code (IaC) p ac ices consis en ly
show a 33% imp o emen in esou ce u iliza ion e iciency compa ed o adi ional deploymen me hods.
Cloud-na i e se ices ha e e olu ionized da a wa ehousing capabili ies, wi h esea ch indica ing ha mode n cloud
pla o ms p ocess an a e age o 1.5 pe aby es o da a pe day wi h 99.95% a ailabili y [5]. O ganiza ions le e aging
cloud-na i e da a wa ehouses epo p ocessing complex que ies 2.8 imes as e han adi ional on-p emises
solu ions, while main aining consis en pe o mance ac oss a ying wo kloads.
The adop ion o se e less a chi ec u es has p o en pa icula ly impac ul in da a enginee ing wo k lows. S udies show
ha o ganiza ions implemen ing se e less solu ions ha e educed hei in as uc u e managemen o e head by 45%
while achie ing a 60% imp o emen in scalabili y me ics [6]. The esea ch e eals ha se e less implemen a ions
handle an a e age o 25 million e en s daily wi h a mean esponse ime o 800 milliseconds, demons a ing obus
pe o mance a scale.
The economics o cloud compu ing in da a enginee ing p esen compelling ad an ages. Resea ch indica es ha
o ganiza ions u ilizing au oma ed scaling and esou ce managemen ha e achie ed a 38% educ ion in cloud spending
while main aining op imal pe o mance [5]. Fu he mo e, companies implemen ing se e less a chi ec u es epo a
52% dec ease in ope a ional cos s compa ed o adi ional se e -based solu ions [6], wi h he added bene i o
au oma ic scaling du ing peak wo kload pe iods.
Con aine iza ion and mic ose ices a chi ec u es ha e become undamen al o mode n da a enginee ing p ac ices.
O ganiza ions implemen ing con aine ized da a se ices epo a 30% imp o emen in deploymen eliabili y and a
42% educ ion in se ice down ime [5]. This a chi ec u al app oach has p o en pa icula ly e ec i e o managing
complex da a pipelines, wi h eams achie ing a 35% inc ease in de elopmen eloci y.
Table 2 Pe o mance Gains in Cloud In as uc u e [5, 6]
Me ic
Imp o emen Pe cen age
Deploymen Time Reduc ion
56%
Ope a ional Cos Reduc ion
40%
Resou ce U iliza ion Imp o emen
33%
In as uc u e O e head Reduc ion
45%
Scalabili y Imp o emen
60%
Cloud Spending Reduc ion
38%
Ope a ional Cos Reduc ion (Se e less)
52%
Deploymen Reliabili y Imp o emen
30%
Se ice Down ime Reduc ion
42%
De elopmen Veloci y Inc ease
35%
Wo ld Jou nal o Ad anced Resea ch and Re iews, 2025, 26(01), 3901-3907
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4. Au oma ion and O ches a ion
The landscape o da a pipeline au oma ion has unde gone signi ican ans o ma ion wi h he adop ion o mode n
o ches a ion ools. Resea ch indica es ha o ganiza ions implemen ing au oma ed pipeline o ches a ion ha e
achie ed a 48% educ ion in manual in e en ion equi emen s and a 35% imp o emen in pipeline eliabili y [7]. The
s udy e eals ha Apache Ai low implemen a ions speci ically ha e demons a ed a 42% dec ease in pipeline ailu e
a es, wi h o ganiza ions p ocessing an a e age o 2.5 pe aby es o da a mon hly h ough au oma ed wo k lows.
Da a quali y managemen h ough au oma ion has shown ema kable imp o emen s in ope a ional e iciency.
O ganiza ions implemen ing au oma ed alida ion amewo ks ha e epo ed a 53% educ ion in da a quali y inciden s,
wi h au oma ed pipelines main aining an a e age da a accu acy a e o 98.5% [7]. The esea ch demons a es ha
au oma ed moni o ing sys ems ha e educed he mean ime o de ec ion o pipeline issues by 44%, enabling mo e
apid esponse o po en ial da a quali y p oblems.
The in eg a ion o CI/CD p ac ices in da a enginee ing wo k lows has yielded subs an ial bene i s. Acco ding o ecen
s udies, eams adop ing au oma ed CI/CD p ocesses ha e expe ienced a 57% imp o emen in deploymen success a es
and a 31% educ ion in ime- o-deploymen [8]. The implemen a ion o au oma ed es ing amewo ks has p o en
pa icula ly e ec i e, wi h o ganiza ions epo ing ha sys ema ic es ing ca ches 85% o po en ial issues be o e hey
each p oduc ion en i onmen s.
Ve sion con ol p ac ices ha e become inc easingly sophis ica ed, wi h esea ch showing ha o ganiza ions
implemen ing comp ehensi e e sion con ol s a egies ha e educed con igu a ion- ela ed inciden s by 39% [8]. The
s udy indica es ha au oma ed code e iew p ocesses ha e led o a 45% imp o emen in code quali y me ics while
educing he ime spen on con igu a ion managemen by 28%. This sys ema ic app oach o e sion con ol has become
pa icula ly c ucial as da a enginee ing eams ha e g own mo e dis ibu ed, wi h 76% o o ganiza ions now ope a ing
wi h emo e eam membe s.
In as uc u e as Code (IaC) in eg a ion has eme ged as a undamen al componen o mode n da a pipelines.
O ganiza ions implemen ing au oma ed IaC deploymen s epo a 51% imp o emen in in as uc u e s abili y and a
43% educ ion in con igu a ion d i [8]. These imp o emen s ha e di ec ly con ibu ed o enhanced pipeline eliabili y,
wi h au oma ed in as uc u e alida ion ca ching an a e age o 92% o po en ial con igu a ion issues du ing he
deploymen p ocess.
Table 3 Co e Pipeline Au oma ion Imp o emen s [7, 8]
Me ic
Imp o emen Pe cen age
Manual In e en ion Reduc ion
48%
Pipeline Reliabili y Imp o emen
35%
Pipeline Failu e Ra e Reduc ion
42%
Quali y Inciden Reduc ion
53%
Issue De ec ion Time Reduc ion
44%
Deploymen Success Ra e Imp o emen
57%
Deploymen Time Reduc ion
31%
Con igu a ion Inciden Reduc ion
39%
Code Quali y Imp o emen
45%
Con igu a ion Time Reduc ion
28%
In as uc u e S abili y Imp o emen
51%
Con igu a ion D i Reduc ion
43%
Wo ld Jou nal o Ad anced Resea ch and Re iews, 2025, 26(01), 3901-3907
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5. Big Da a Technologies
The e olu ion o dis ibu ed compu ing has undamen ally ans o med how o ganiza ions p ocess and analyze big da a.
Resea ch indica es ha mode n dis ibu ed compu ing amewo ks ha e achie ed a 32% imp o emen in esou ce
u iliza ion ac oss la ge-scale deploymen s [9]. The s udy e eals ha o ganiza ions implemen ing Apache Hadoop
ecosys ems ha e educed hei da a p ocessing cos s by 25% while handling an a e age o 50 pe aby es o da a mon hly
h ough dis ibu ed a chi ec u es.
YARN esou ce managemen has p o en pa icula ly e ec i e in mode n implemen a ions, wi h esea ch showing ha
o ganiza ions achie e 85% esou ce u iliza ion e iciency when p ope ly con igu ed [9]. This ep esen s a signi ican
ad ancemen in dis ibu ed compu ing capabili ies, as en e p ises can now p ocess complex analy ics wo kloads wi h
30% ewe compu a ional esou ces compa ed o adi ional app oaches.
The adop ion o mode n al e na i es o MapReduce has demons a ed subs an ial pe o mance imp o emen s. S udies
indica e ha o ganiza ions le e aging ad anced p ocessing amewo ks expe ience a 40% educ ion in job comple ion
ime while main aining 99.9% p ocessing eliabili y [9]. The esea ch highligh s ha dis ibu ed compu ing pla o ms
now suppo concu en p ocessing o up o 10,000 asks, enabling o ganiza ions o handle inc easingly complex
analy ical wo kloads.
S eam p ocessing has eme ged as a c i ical componen in eal- ime da a a chi ec u es. Acco ding o comp ehensi e
analysis, o ganiza ions implemen ing s eam p ocessing echnologies ha e achie ed la ency educ ions o up o 200
milliseconds o eal- ime analy ics wo k lows [10]. The esea ch demons a es ha mode n s eam p ocessing
amewo ks can handle h oughpu a es o up o 100,000 e en s pe second while main aining consis en pe o mance.
E en -d i en a chi ec u es ha e shown ema kable e iciency in handling eal- ime da a s eams. S udies e eal ha
o ganiza ions implemen ing e en -d i en pa e ns ha e educed hei da a p ocessing la ency by 45% while achie ing
a 70% imp o emen in sys em esponsi eness [10]. The in eg a ion o eal- ime analy ics capabili ies has enabled
companies o p ocess s eaming da a wi h 95% accu acy, signi ican ly enhancing hei abili y o de i e immedia e
insigh s om da a s eams.
Table 4 Pe o mance Imp o emen s in Dis ibu ed Compu ing and S eam P ocessing [9, 10]
Me ic
Imp o emen Pe cen age
Resou ce U iliza ion Imp o emen
32%
Da a P ocessing Cos Reduc ion
25%
Resou ce U iliza ion E iciency
85%
Compu a ional Resou ce Reduc ion
30%
Job Comple ion Time Reduc ion
40%
Da a P ocessing La ency Reduc ion
45%
Sys em Responsi eness Imp o emen
70%
Da a P ocessing Accu acy
95%
6. Da a Secu i y and Go e nance
The implemen a ion o comp ehensi e da a secu i y measu es has become c i ical in mode n da a enginee ing
p ac ices. Resea ch indica es ha o ganiza ions implemen ing obus secu i y amewo ks ha e educed secu i y
inciden s by 42% while imp o ing h ea de ec ion a es by 35% [11]. The s udy e eals ha en e p ises u ilizing
ad anced enc yp ion and access con ol mechanisms ha e achie ed a 95% compliance a e wi h indus y secu i y
s anda ds, while educing unau ho ized access a emp s by 28%.
Moni o ing and audi sys ems ha e demons a ed subs an ial impac on secu i y e ec i eness. O ganiza ions
implemen ing con inuous secu i y moni o ing ha e educed hei inciden esponse ime by 30% and imp o ed hei
h ea de ec ion accu acy o 94% [11]. The esea ch shows ha au oma ed audi logging has become pa icula ly

Wo ld Jou nal o Ad anced Resea ch and Re iews, 2025, 26(01), 3901-3907
3906
c ucial, wi h o ganiza ions cap u ing an a e age o 2.5 million secu i y e en s daily o analysis and compliance
pu poses.
The e olu ion o da a go e nance amewo ks has signi ican ly ans o med o ganiza ional da a managemen p ac ices.
Recen s udies indica e ha companies implemen ing s uc u ed da a go e nance p og ams ha e imp o ed hei da a
quali y sco es by 48% and educed da a managemen o e head by 25% [12]. The esea ch demons a es ha
o ganiza ions wi h ma u e go e nance p ac ices p ocess an a e age o 1.2 pe aby es o da a mon hly while main aining
99.5% accu acy in da a classi ica ion and ca ego iza ion.
Da a lineage and me ada a managemen ha e eme ged as c i ical componen s o mode n go e nance amewo ks.
O ganiza ions implemen ing au oma ed lineage acking sys ems epo a 40% imp o emen in da a disco e y
e iciency and a 35% educ ion in ime spen on compliance documen a ion [12]. The s udy e eals ha companies wi h
comp ehensi e me ada a managemen p ac ices achie e 85% be e da a sea chabili y while educing da a- ela ed
inciden esolu ion ime by 45%.
Regula o y compliance managemen , pa icula ly ega ding GDPR and CCPA equi emen s, has shown measu able
imp o emen s h ough s uc u ed go e nance app oaches. Resea ch indica es ha o ganiza ions wi h in eg a ed
compliance amewo ks ha e educed hei compliance- ela ed cos s by 32% while achie ing a 96% success a e in
mee ing egula o y equi emen s [11]. The implemen a ion o au oma ed compliance moni o ing has enabled
companies o handle an a e age o 500 da a subjec eques s mon hly wi h 98% accu acy in eques p ocessing.
7. Conclusion
The e olu ion o da a enginee ing has undamen ally ans o med how o ganiza ions app oach da a managemen and
p ocessing, ma king a signi ican shi owa d mo e sophis ica ed, au oma ed, and e icien da a handling p ac ices. The
in eg a ion o cloud echnologies, a i icial in elligence, and au oma ed wo k lows has c ea ed a new pa adigm in da a
enginee ing, enabling o ganiza ions o p ocess and analyze da a wi h unp eceden ed e iciency and eliabili y. The
emphasis on secu i y, go e nance, and compliance has es ablished obus amewo ks o esponsible da a
managemen , while he adop ion o mode n de elopmen p ac ices has enhanced he o e all quali y and main ainabili y
o da a sys ems. As he ield con inues o e ol e, he syne gy be ween adi ional da abase managemen and cu ing-
edge echnologies emains c ucial o building scalable, eliable, and e icien da a in as uc u es. The u u e o da a
enginee ing lies in he con inued ad ancemen o hese in eg a ed app oaches, emphasizing he impo ance o
main aining a balance be ween inno a ion and s abili y in da a managemen p ac ices.
Re e ences
[1] Rajkuma Sukuma , "Re olu ionizing Real-Time Big Da a Pipelines wi h AI: A Comp ehensi e Guide,"
Resea chGa e, Feb ua y 2025 h ps://www. esea chga e.ne /publica ion/389533988_Re olu ionizing_Real-
Time_Big_Da a_Pipelines_wi h_AI_A_Comp ehensi e_Guide
[2] Abhishek Vajpayee, "E olu ion o Da a Enginee ing T ends and Technologies Shaping he Fu u e," Resea chGa e,
Augus 2024
h ps://www. esea chga e.ne /publica ion/383920667_E olu ion_o _Da a_Enginee ing_T ends_and_Technolo
gies_Shaping_ he_Fu u e
[3] San hosh Bussa, "E olu ion o Da a Enginee ing in Mode n So wa e De elopmen ," Resea chGa e, Decembe
2024
h ps://www. esea chga e.ne /publica ion/386339393_E olu ion_o _Da a_Enginee ing_in_Mode n_So wa e_
De elopmen
[4] a heek Pama hi, "Analysis on High-Pe o mance Py hon o De elop Da a Science and Machine Lea ning
Applica ions," Resea chGa e, Janua y 2022
h ps://www. esea chga e.ne /publica ion/389716890_Analysis_on_High-
Pe o mance_Py hon_ o_De elop_Da a_Science_and_Machine_Lea ning_Applica ions
[5] Beauden John, "Scalabili y and Pe o mance Op imiza ion in Cloud-Na i e Da a Enginee ing," Resea chGa e,
Ma ch 2025
h ps://www. esea chga e.ne /publica ion/389983411_Scalabili y_and_Pe o mance_Op imiza ion_in_Cloud-
Na i e_Da a_Enginee ing
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[6] Uday K ishna Padyana e al., "Se e less A chi ec u es in Cloud Compu ing: E alua ing Bene i s and D awbacks,"
Resea chGa e, Ma ch 2020
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