Big table

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Adhinarayanan Ramanathan

Google BigTable (highly scalable system)

Why? ,[object Object]

BigTable? ,[object Object],[object Object],[object Object],[object Object]

How its solving the scalability…? ,[object Object],[object Object],[object Object],[object Object]

How easy to use? class FIFA(db.Model): eMailId = db.StringProperty(default= 'Anonymous') country = db.StringProperty() comments = db.StringProperty() …………… def save( self, userId, choice, comments): fifa = FIFA() fifa.eMailId = userId fifa.country = choice fifa.comments = comments db.put(fifa) demo

Queries in BigTable ,[object Object],[object Object],[object Object],[object Object],[object Object]

Query Class ,[object Object],query = FIFA.all() query.filter( 'country', country) rs = query.fetch(fetchSize) Example:-

GQLQuery Class ,[object Object],query = GqlQuery ( " SELECT * FROM FIFA WHERE country = :1 ") rs = query.fetch(fetchSize) Example:-

Thank you.

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Big table

1. Google BigTable (highly scalable system)

2.

3.

4.

5. How easy to use? class FIFA(db.Model): eMailId = db.StringProperty(default= 'Anonymous') country = db.StringProperty() comments = db.StringProperty() …………… def save( self, userId, choice, comments): fifa = FIFA() fifa.eMailId = userId fifa.country = choice fifa.comments = comments db.put(fifa) demo

6.

7.

8.