Learning Goal: I’m working on a programming project and need an explanation and answer to help me learn.
Al Baha University – Computer science
Relational Algebra-SQL DML2022-2023
Exercise N° 1:
Let the database composed of relations:
FACTORY (NF, NameF, CityF)
PRODUCT (NP, nameP, colorP, weightP)
VENDOR (NV, NameV, StatusV, CityV)
DELIVERY (#NP, #NF, #NV, QuantityD)
Propose with relational algebra, a formalization of the following queries (relational algebra):
Exercise N° 2 :
We consider the MANUFACTURING database composed by the following relations:
PIECE (NOP, LabelP, ColorP, WeightP)
SERVICE (NOS, TitleS, LocationS)
ORDER (#NOP, #NOS, QuantityO)
Propose with relational algebra, a formalization of the following queries:
Exercise N° 3 :
I.Write the code corresponding to the different queries (SQL-DML) the questions of Exercise 1
II.Write the code corresponding to the different queries (SQL-DML) the questions of Exercise 2
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