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Category > Business & Finance Posted 22 May 2017 My Price 5.00

Describe how the following components of an E-R diagram are transformed into relations

Describe how the following components of an E-R diagram are transformed into relations:

a. regular entity type

b. relationship (1:M)

c. relationship (M:N)

d. relationship (supertype/subtype)

e. multivalued attribute

f. weak entity

g. composite attribute

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Alpha Geek
(8)
Status NEW Posted 22 May 2017 07:05 AM My Price 5.00

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file 1495439306-Answer.docx preview (254 words )
D-----------esc-----------rib-----------e h-----------ow -----------the----------- fo-----------llo-----------win-----------g c-----------omp-----------one-----------nts----------- of----------- an----------- E------------R d-----------iag-----------ram----------- ar-----------e t-----------ran-----------sfo-----------rme-----------d i-----------nto----------- re-----------lat-----------ion-----------s: ----------- a.----------- re-----------gul-----------ar -----------ent-----------ity----------- ty-----------pe ----------- b.----------- re-----------lat-----------ion-----------shi-----------p (-----------1:M-----------) -----------c. -----------rel-----------ati-----------ons-----------hip----------- (M-----------:N)----------- d-----------. r-----------ela-----------tio-----------nsh-----------ip -----------(su-----------per-----------typ-----------e/s-----------ubt-----------ype-----------) -----------e. -----------mul-----------tiv-----------alu-----------ed -----------att-----------rib-----------ute----------- f-----------. w-----------eak----------- en-----------tit-----------y -----------g. -----------com-----------pos-----------ite----------- at-----------tri-----------but-----------e -----------Ans-----------wer-----------: ----------- a)----------- Re-----------gul-----------ar -----------ent-----------ity----------- ty-----------pe:----------- A -----------rel-----------ati-----------on -----------is -----------ini-----------tia-----------ted----------- fr-----------om -----------eac-----------h r-----------egu-----------lar----------- en-----------tit-----------y t-----------ype----------- in----------- an----------- E------------R d-----------iag-----------ram----------- Th-----------e e-----------nti-----------ty -----------typ-----------e a-----------nd -----------the----------- re-----------lat-----------ion----------- wi-----------ll -----------hav-----------e t-----------he -----------sam-----------e n-----------ame----------- Th-----------e a-----------ttr-----------ibu-----------tes-----------
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