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Azure (STORAGE (DocumentDB (PROGRAMMING (Server Side Programming (Bounded…

- - - - Searchable using SQL grammar
        
        SQL! .Net SDK supports LINQ provider
    - - Thorughput, indexing, consistency
        
        Consistency
        
        Eventual
        consistency doesn't guarantee current data returned
        
        Strong
        slows reads and writes
        
        Session
        writers guaranteed read current data written by them evryone else is eventual consistent
        
        Bounded staleness
        tolerates inconsistent query result with guarantee of freshness of specified period of time
    - - 99.95 Uptime
    - - Server Side Programming
        
        Bounded Execution
        
        fully ACID and transactional
        
        defines when times out
        
        Stored Proc, Triggers, User Defined functions (self contained js functions deployed on server for exetuion)
        
        JavaScript as T-SQL
        
        Write js function
        
        retrieve context
        
        context contains:
        
        collection
        
        Request
        
        Reponse
        
        ACID
        
        Throttle herror 429 with time to wait before retrying
        
        runs inside documentDB cannot debug with Visual Studio
      - .Net SDK
      - Node.js
      - REST API
      - JavaScript SDK
        apps that run on client
    - - DocumentDb Account
        
        Many DataBases
        
        Many Collections
        
        Many Documents
        
        Attachments
        
        Stored Procedures
        
        Triggers
        
        User Defined Functions
        
        Container for schema free JSON documents
        
        Not table. more like Partition or Shard
        
        Unit of Scale/Cost
        
        Phisical boundary for transactions and queries
        
        Many Users
        
        Many Permissions
      - Properties
        of every docuemt
        
        id User defined unique ID
        
        _rid Resource ID
        
        _ts Timestamp epoc value
        
        _etag GUID for optimistic concurrency
        
        _self URI path to resource
    - - Connection: Endpoint + Key
        
        Key
        
        Master Key
        
        provides full access to the entire account
        don't distribute to clients
        
        Enables key rotation:
        use secondary as new primary, regenerate new secondary
        
        There are also full access but for read only
        Same key rotation mechanism
        
        Resource Token
        
        Based on Users and Permissions
        
        Provide access to particular resource so more granular
        
        Create one or more Users
        
        Create one or more permissions for each users
        
        each permission will have a resource token assigned to it
        
        not allwed for administrative resources
        
        Endpoint
        Url to DocumentDb account
        https://resourcename.documents.azure.com
  - - - Blob Containers
        like blob databases
        Max 200 TB
        Max 5 GB/s In
        Max 10 GB/s out
        Max 20.000 trans/s
        
        Blobs
        60 MB/s
        500 Trans /s
        Simulate a folder like structure using blob names
        
        Block Blobs
        individual documents
        Max 200GB
        
        Block
        Max 4 MB
        
        Page Blobs
        max 1 TB
        
        Page
        Max 512 bytes
- - - - to connect to
        
        Managed by Azure
        
        Exchange
        
        Sharepoint online
        
        SQL Azure
        
        Blob Storage
        
        Deployed in same region as Logic App
        
        Other Logic Apps
        
        Marketplace connectors
        
        Azure Functions #
        
        Api Apps custom buitl
      - Triggers
        
        Manually
        
        Events
        
        i.e. new email in Office 365
        creates new parallel instances of logic apps
        number of logic apps limited by pricing tier
        
        Timers
        
        Poll
        Logic App polls connector
        
        Push
        Logic App notified by connector
      - Conditions
      - Actions
        limitations on number of actions per day
        
        kicked off by triggers and run only if some conditions are met
    - - Compose SaaS
      - Templates to start with
      - Robust and reliable
        deal with retries
      - Logic App Definition Language
  - - - CORS
        Cross Origin Resource Sharing allows cross domain calls to API
        defines a whitelist of domains that can call ours
      - Easy to consume
        Visual Studio can generate client code to call the API
      - API definition with Swagger Metadata
      - Authentication & Authorisation
        using Active Directory or other auth providers
      - Hosts and Exposes you API
      - Logic App Integration
  - - - not concerned by scaling and resource sizing
    - - Easy to get values from outside sources
    - - Event Hubs, Service Bus (Topics, Queues) , Timers, Blob Storage, Azure Storage Queues, HTTP reqs
    - - Live
      - Cost
        
        Subscription view
        
        Billing API
      - Historic