B4J Library MongoDB - Documents database

Discussion in 'B4J Libraries & Classes' started by Erel, Oct 19, 2016.

  1. Erel

    Erel Administrator Staff Member Licensed User

    [​IMG]

    MongoDB is one of the most popular NoSQL databases.
    It is a nice and refreshing alternative to traditional relational databases (SQL databases).

    Each represented entity is stored as a single document instead of being split into multiple tables.
    Whether it will be better / simpler to use MongoDB compared to MySQL or a similar database server depends on the specific data.

    Overall it is simple to start working with MongoDB and it is definitely a good tool to add to the toolbox.

    At this point it is recommended to go over MongoDB manual: https://docs.mongodb.com/manual/introduction/

    To start with MongoDB you need to:

    1. Download and install: https://www.mongodb.com/download-center?jmp=docs
    2. Create the default data folder (can be changed): c:\data\db
    3. Run mongod from the command line.

    In most cases you will use a three tier configuration where the clients access a B4J server and the B4J server communicates with the local MongoDB server.

    I will post more examples next week. An example based on Alexa sites ranking data is available here:
    www.b4x.com/b4j/files/MongoDBAlexaExample.zip
    The data is loaded from a CSV file and then analyzed with different kinds of queries.

    The library is attached.
    It depends on three additional jars: www.b4x.com/b4j/files/mongodb-native.zip
    Copy the library and the jars to the additional libraries folder.
     

    Attached Files:

    Last edited: Oct 19, 2016
  2. clarionero

    clarionero Active Member Licensed User

    Woow, fantastic new option for B4J :)

    Thank you Erel.

    Rubén
     
  3. Erel

    Erel Administrator Staff Member Licensed User

  4. JOSE GOMES

    JOSE GOMES Member

    An CRUD example it was interesting :)
     
    joulongleu likes this.
  5. ShaneG30

    ShaneG30 Well-Known Member Licensed User

    After testing this out with the remote connector, I can say that this looks way easier than MySQL. I love the fact that the commands are created in the clients.
     
    joulongleu, magi6162 and Erel like this.
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