2. Pietro Brambati
Microsoft
blogs.msdn.com/pietrobr
{{ LINQLINQ &&
ADO.NET Entity FrameworkADO.NET Entity Framework}}

6. C# 3.0C# 3.0 VB 9VB 9
.NET Language Integrated Query.NET Language Integrated Query
LINQLINQ
toto
ObjeObje
ctscts
LINQLINQ
toto
DataData
SetsSets
LINQLINQ
toto
SQLSQL
LINQLINQ
toto
XMLXML
oggettioggetti
<book>
<title/>
<author/>
<year/>
<price/>
</book>
XMXM
LL
MondoMondo
relazionalrelazional
ee

8. ApplicazioneApplicazione
LINQ to SQLLINQ to SQL
from c in db.Customers
where c.City == "London"
select c.CompanyName
EnumerateEnumerate
SELECT CompanyName
FROM Customer
WHERE City = 'London'
SQL QuerySQL Query
o SProco SProc
RowsRows
OggettiOggetti
db.Customers.Add(c1);
c2.City = “Perugia";
db.Customers.Remove(c3);
SubmitChanges()SubmitChanges()
INSERT INTO Customer …
UPDATE Customer …
DELETE FROM Customer …
DMLDML
o SProcso SProcs

10. • Dati == Oggetti
• Imperativo  Dichiarativo
• Per oggetti, XML e Dati relazionali

18. • LINQ to * : un approccio unificato per
l’accesso a sorgenti dati eterogenee
• ADO.NET EF: il modello concettuale per
sviluppare…
• LINQ to Entites : LINQ per EF
• LINQ to SQL e LINQ to Entities sono
pensati per diversi scenari

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The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market
conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation.
MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
Pietro Brambati
Microsoft
blogs.msdn.com/pietrobr