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Databases in .NET
Databases in .NET
Databases in .NET
Databases in .NET
Databases in .NET
Databases in .NET
Databases in .NET
Databases in .NET
Databases in .NET
Databases in .NET
Databases in .NET
Databases in .NET
Databases in .NET
Databases in .NET
Databases in .NET
Databases in .NET
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Databases in .NET

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  1. Databases in .Net<br />Victor Haydin<br />Eleks Software Ltd.<br />
  2. Data and Databases<br />Computer science is not about computing. <br />Its about <br />data processing.<br />
  3. Database engines<br />
  4. Application/DB interaction<br />Frontend Server<br />Presentation Layer<br />Business Logic Layer<br />Data Access Layer<br />Database drivers<br />Database Server<br />
  5. ADO.Net<br />
  6. System.Data.SqlClient<br />System.Data.SqlClient – set of classes for low-level operations with MS SQL Server.<br />
  7. demo<br />SQL Client<br />
  8. Transactions & Isolation levels<br />
  9. Isolation levels<br />Read Issues<br />Locks<br />
  10. ORM<br />
  11. Why ORM?<br />Relational Model:<br />Tables<br />Rows<br />Columns<br />Primary/Foreign keys<br />?<br />Object Model:<br />Collections<br />Objects<br />Properties<br />Composition<br />Inheritance<br />
  12. ORM Frameworks<br />Entity Framework<br />LINQ2SQL<br />NHibernate<br />DevExpress XPO<br />Subsonic<br />ObjectMapper.Net<br />Self-made<br />
  13. ADO.Net Entity Framework<br />Design approaches:<br /><ul><li>Database First
  14. Model First
  15. Code First</li></ul>Entity Data Model:<br /><ul><li>Mapping
  16. Entities
  17. Relationships
  18. Schema Definition Language</li></ul>Querying Data:<br /><ul><li>eSQL
  19. LINQ to Entities
  20. Native SQL</li></ul>Inheritance:<br /><ul><li>Table per hierarchy
  21. Table per type
  22. Table per concrete class</li></li></ul><li>demo<br />Entity Framework<br />
  23. Canonical Functions<br />
  24. Q&A<br />

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