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Notes on mongoDB, nosql 08292012 meetup

notes on mongodb nosql 0829_2012

Hi guys, I have taken notes on the mongodb,some times the speaker talks really fast, and I cannot take all of them... but I hope it will help those who could not make it to grab some

//Capacity related cloud

MongoDbSchema Design
Justin Dearing jdearing@rms

Power shell/ t-sql/mongoDB

Risk of turnado/Risk Management Solutions
Deploy mongoDB on cloud

About MOngoDB
-runs on LinxWindows,oSx, bsd,etc
-documented based on nosql db.
-shell is javascript
-internal storage format is bson// binary json
-drivers for languages(C#,Node.js,php, python)

mongodb on node.js

Storage terms
-each server has one or more db.
-each db has one or more collections.//collections->table
-each collections has one or more documents

1. key :strings
_id:ObjectId(''),//primary key

Schema Design:
-schema non-design, or importing raw data and using its natural schema.
-slightly modifying the schema.
-using indexes to enforce schema where appropriate.//relational db. mongodb can do table scan.
-e.g of migrating mysql to mongo DB.

//check dataversity

no joins in mongo.

Using our raw data's natural schema
eg.every earth quake past 7 days.

Slightly modifyingthe natural schema

Porting a schema from mysql

There is new schema for mongo.
sparse index.

Other schema design considerations
- capped collections, its a schema thing to
- TTL collections-also a schema
- Denormalizing
- sharding

mongoview within windows

Platform, openshift;

Table of Contents

Page title Most recent update Last edited by
Notes on mongoDB, nosql 08292012 meetup August 31, 2012 6:24 PM Linghua J.
About us June 23, 2010 12:48 AM Kenneth N.
About Silicon Valley Web Builder September 4, 2010 4:42 PM Bess H.

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