Sample database is horizontally fragment

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Reference no: EM13843451

Assume that relation PROJ of the text's sample database is horizontally fragmented as follows:

PROJ₁ = σ_{PNO ≤ 'P2'}(PROJ)
PROJ₂ = σ_{PNO > 'P2'}(PROJ)

Transform the following query into a reduced query on fragments:

select ENO, PNAME
from PROJ, ASG
where PROJ.PNO = ASG.PNO
and PNO = 'P4'

Reference no: EM13843451

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