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how it works with the in-memory?

Hi all,

          Iam very new to this qlikview software. I have some queries regarding this.

1)How it works with the in-memory.?

2)when will be the data loaded into RAM.?

3)when will it create the associative model and how the hierarchies will be done?

4)As RAM is a volatile memory do we need to load the data every tym when the system was off or is there any alternative approach to overcome this?

please help me guys....

Thanks in advance....

21 Replies
kaushiknsolanki
Partner Ambassador/MVP
Partner Ambassador/MVP

Hi Shantheguy,

     Consider you have table like this.

    

     Student, Subject, Marks

     A, XYZ, 10

     A, PQR, 20

     A, JKL, 30

     B, XYZ, 30

     B, PQR, 20

     B, JKL, 10

     The above table will be stores as

     

     Student        Subject      Marks

        A               XYZ            10

        B               PQR           20

                         JKL             30

      There will be 3 fields as shown above with distinct reocrd.

      Now there will also be a reference values which will link this 3 fields.

     The advantage of this kind of storage is it will reduce the data size.

     Hope you understood.

Regards,

Kaushik Solanki

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Author

hi kaushik,

is this how it stores the data in the main memory when we load the data?

thanks in advance