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Deep Dive into LINQ: Mastering Queries for Large Datasets

Explore the world of LINQ, from LINQ Language to Query Operators; understand IQueryable vs. IEnumerable, and learn to query over millions of objects effectively using LINQ to SQL and more. Discover the true meaning and power behind LINQ queries.

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Deep Dive into LINQ: Mastering Queries for Large Datasets

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Presentation Transcript

  1. dive into linq ivantowlson mindscape

  2. imagine there’s no sql

  3. three worlds

  4. three worlds…for large values of three

  5. “queries should just ‘be there,’like for loops”andershejlsberg

  6. linqlanguage integrated query

  7. putting the lin into linq

  8. when syntax runs out

  9. everything is query operators

  10. I plan to query overONE… MILLION… OBJECTS!

  11. what is the meaning ofx.Select(…)?

  12. IEnumerable<T> x; what is the meaning ofx.Select(…)? IQueryable<T> x;

  13. IEnumerable<T> x;Enumerable.Select(x, …) what is the meaning ofx.Select(…)? IQueryable<T> x;Queryable.Select(x, …)

  14. IQueryable<T> x;Queryable.Select(x, …)

  15. Table<T> x;Queryable.Select(x, …)

  16. linq to sql

  17. linq to lightspeed

  18. linq to wmi

  19. thinking in linq

  20. what is a query?

  21. what is a query?extract, transform and load

  22. what is a query?‘what am i interested in’

  23. i am interested in…drag and drop

  24. i am interested in…a mouse downfollowed by mouse movesuntil i get a mouse up

  25. “queries should just ‘be there,’like for loops”andershejlsberg

  26. thanks! ivan@mindscape.co.nz www.mindscape.co.nz ivan@hestia.cc hestia.typepad.com/flatlander

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