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Data Modeling for MongoDB by Steve Hoberman

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APPENDIX A Answers to Exercises

EXERCISE 1: Life without Data Modeling?

I do a lot of data modeling consulting assignments, and I frequently see issues with those projects that skipped data modeling altogether or did just physical data modeling. Issues take the form of data quality issues, integration issues with other applications, support issues, and often communication issues between the business users/sponsor and IT. The project that skipped modeling might have been done on time and within budget, but the long-term costs can be staggering.

EXERCISE 2: Subtyping in MongoDB

Rolldown

Author:

  {  authorTaxID : “22-5555555”,

    authorFirstName ...

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