Databases

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Globals vs Locals: What Is Faster?

Hi, colleagues!

Consider you need to put some (less  than 1GB) data to an indexed array and do some data manipulations and calculations with it.

Should I prefer global or local for it?

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Accessing table across all namespace

We have multiple server and multiple namespace. 

 

I have a script having sql query  which fetch data from current  namespace of a server. 

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Mapping globals to classes

Is there any good book where is described process of mapping globals to classes? And book about Storage? 

I didn't find much information about these questions in documentation :-(

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Import/export data from InterSystems Caché

Hi!

Suppose I have full access to Caché database instance A and want to export consistent part of the data and import it into another Caché instance B. Classes are equal.

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DEV, TEST Environment set up in Intersystems

Intersystems is all about name spaces. Each Name space can be mapped to one or more databases and vice versa.

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Restore Database issue

Hi Everybody,

I'm trying to restore database to a 2016.2.2.853 caché version but i've some problems ...

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Best Ensemble Global Buffer Configuration

Usually I recommend to set the global buffer (GB) as large as possible in order to maintain in memory more globals as possible.

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Is there an option to export globals in archive?

Hi, Community!

Is there an option to get an archived file of globals in one command. Say for:

Do $System.OBJ.Export("Class1*D.GBL,Class2*D.GBL","data_gbl.xml")

get something like:

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Caché MapReduce - Basic interfaces for MapReduce implementation (part II)

In the prior part of this series we have provided introduction to Google MapReduce approach, but still not covered their possible ObjectScript implementation. Which we will start to explain today.

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What is the best method for copying Mappings and Routines?

Currently, we have an application running in one namespace ("Database B") that has globals and routines mapped to another database ("Database A").

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Lookup Time Complexity of a Global

If I were trying to access an index of a global variable, what time complexity would this operation have?

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