Orms

Glenn Paulley, Director, Engineering http://iablog.sybase.com/paulley ORMs and Hibernate

What is object-relational mapping? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is object-relational mapping? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Change detection ,[object Object],[object Object],[object Object]

Uniqueness ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Database independence ,[object Object],[object Object],[object Object]

Why are ORMs useful? ,[object Object],[object Object],[object Object],[object Object]

Challenges of ORMs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Complex SQL (LINQ generated) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Equivalent SQL query ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Challenges of ORMs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Challenges of ORMs ,[object Object],[object Object],[object Object]

Important aspects of ORM toolkits ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Brief introduction to Hibernate ,[object Object],[object Object],[object Object],[object Object],[object Object]

Hibernate mapping specification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Hibernate mapping specification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Java class implementation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

HQL: Hibernate Query Language ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],select s.id, s.orderDate, s.region, s.customers.givenName, s.customers.surname from SalesOrders s where s.orderDate between '2001-03-16' and '2001-03-26' and s.region <> 'Central' order by s.orderDate

HQL: Hibernate Query Language ,[object Object],[object Object],select distinct c.givenName from Customers c left join c.salesOrderses where c.city in (select c2.city from Customers c2 where c2.companyName like '%Power%')

HQL: Hibernate Query Language ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Object persistence in Hibernate ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Object persistence in Hibernate ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Class inheritance ,[object Object],[object Object],[object Object],[object Object],[object Object]

FETCH strategies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Concurrency control ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Caching and concurrency control ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Research opportunities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Questions? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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