NewBie's Corner Session 3 More Read and Write commands & Multiple commands

Welcome to NewBie's Corner, a weekly or biweekly post covering basic Caché Material.

Click on the Caché Cube in your system tray and select Terminal to try out the commands.

Write command with carriage return and line feed

When the exclamation point "!" is inserted after a Write command, a carriage return and line feed combination is produced. Note in this example, that a comma separates the exclamation point from the variable "X".

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Today my customer ask me a question about how to write the MDX with a summary row however this row with different aggregate functions for each column.

We know in DeepSee analyzer has pivot table option "Summary", user can select sum, avg ... aggregate functions to get the summary row/column. However we can not specify different aggregate function for each measure column.

Here show the example to use All level and IIF function achieve that. see the example (Holefood cube in Sample namespace) below

WITH MEMBER measures.[with avg summary info] AS

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Article
· Jul 10, 2016 4m read
NewBie's Corner Session 12 Do and Goto

NewBie's Corner Session 12 Do and Goto

Welcome to NewBie's Corner, a weekly or biweekly post covering basic Caché Material.

InterSystems Caché provides a GUI (Graphical User Interface) based Integrated Development Environment (IDE) called Caché Studio. Developers can use Studio to create and maintain applications.

Controlling Process Flow

Controlling Process Flow means controlling the execution path of code. The execution of code flows from the top to the bottom in a routine, except for the following:

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++Update: August 2, 2018

This article provides a reference architecture as a sample for providing robust performing and highly available applications based on InterSystems Technologies that are applicable to Caché, Ensemble, HealthShare, TrakCare, and associated embedded technologies such as DeepSee, iKnow, Zen and Zen Mojo.

Azure has two different deployment models for creating and working with resources: Azure Classic and Azure Resource Manager. The information detailed in this article is based on the Azure Resource Manager model (ARM).

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NewBie's Corner Session 11 Routine Line Types and Gotos

Welcome to NewBie's Corner, a weekly or biweekly post covering basic Caché Material.

InterSystems Caché provides a GUI (Graphical User Interface) based Integrated Development Environment (IDE) called Caché Studio. Developers can use Studio to create and maintain applications.

In this session we will cover Routine Line types; which are Label lines, Executable code lines and the Routine Header line as well as Gotos.

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Article
· Jun 9, 2016 1m read
Ensemble monitoring

First post! In order to somewhat redeem myself for an unnecessary call to support, I've decided to post some classes that I've written to monitor certain metrics inside our Ensemble Live instance (yeah, Kyle, you WERE laughing at me, but it's okay). What the classes do is to run queries and code to get database sizes, status of the mirror, counts of rows in tables such as EnsLib.HL7.Message and Ens.MessageHeader. The data is collected and written to tables and then an email is sent out daily upon completion. I've found this quite useful in keeping an eye on what's going on. It's help

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Article
· Jun 20, 2016 4m read
NewBie's Corner Session 8 Not

NewBie's Corner Session 8 Not

Welcome to NewBie's Corner, a weekly or biweekly post covering basic Caché Material.

Click on the Caché Cube in your system tray and select Terminal to try out these commands.

NOT operator ('), single quote or apostrophe

The "NOT" operator reverses the truth-value and is intended for numeric operands, however it can be used on alphanumeric operands.

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Earlier in this series, we've presented four different demo applications for iKnow, illustrating how its unique bottom-up approach allows users to explore the concepts and context of their unstructured data and then leverage these insights to implement real-world use cases. We started small and simple with core exploration through the Knowledge Portal, then organized our records according to content with the Set Analysis Demo, organized our domain knowledge using the Dictionary Builder Demo and finally build complex rules to extract nontrivial patterns from text with the Rules Builder Demo.

This time, we'll dive into a different area of the iKnow feature set: iFind. Where iKnow's core APIs are all about exploration and leveraging those results programmatically in applications and analytics, iFind is focused specifically on search scenarios in a pure SQL context. We'll be presenting a simple search portal implemented in Zen that showcases iFind's main features.

Open Exchange app
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Article
· May 27, 2016 1m read
2016.2 Field Test Kit 2016.2.0.665.0

Steve Glassman is on vacation today so in his place I wanted to announce the availability of a new kit for the 2016.2 Field Test. The kit details are: 2016.2.0.665.0

There is a wide range of changes to the 2016.2 Field Test, 145 of them in total. You can find a complete listing here:

https://wrc.intersystems.com/wrc/WRC.StreamServer.cls?FILE=/wrc/FieldTes...

Bill McCormick

Director of Product Management

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Article
· Jun 24, 2016 1m read
2016.2 Field Test Kit 2016.2.0.677.0

I am pleased to announce the next 2016.2 field test kit, 2016.2.0.677.0.

I haven’t sent an update to this thread in a while and it should come as no surprise that there has been quite a lot of development going on since I wrote about build 632. In fact, there have been almost 300 changes covering most areas of the product.

The accumulated list of fixes to problems found in the field since build 632 includes the following changes:

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Setting the TZ Environment Variable on Linux

The Update Checklist for v2015.1 recommends setting the TZ environment variable on Linux platforms and points to the manpage for tzset. This is recommended to improve the performance of Cache’s time-related functions. You can find out more about this here:

https://community.intersystems.com/post/linux-tz-environment-variable-not-being-set-and-impact-caché

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Article
· Jun 15, 2016 1m read
MQTT Client in COS

Hi All,

I've created a sample implementation of the MQTT protocol, which is now available on GitHub.

The project demonstrates MQTT client capabilities and it's written in Caché Object Script.

Any comments, bug reports are welcome! Some more enhancements (like SSL / TLS support) are planned for the near future.

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Introduction

The field test of Caché 2016.2 has been available for quite some time and I would like to focus on one of the substantial features that is new in this version: the document data model. This model is a natural addition to the multiple ways we support for handling data including Objects, Tables and Multidimensional arrays. It makes the platform more flexible and suitable for even more use cases.

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Article
· Jun 11, 2016 2m read
NewBie's Corner Session 7 True and False

NewBie's Corner Session 7 True and False

Welcome to NewBie's Corner, a weekly or biweekly post covering basic Caché Material.

Click on the Caché Cube in your system tray and select Terminal to try out these commands.

In COS, a 0 is false and any other number (positive or negative) is true.

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Article
· May 20, 2016 12m read
Collations in Caché

Order is a necessity for everyone, but not everyone understands it in the same way
(Fausto Cercignani)

Disclaimer: This article uses Russian language and Cyrillic alphabet as examples, but is relevant for anyone who uses Caché in a non-English locale.
Please note that this article refers mostly to NLS collations, which are different than SQL collations. SQL collations (such as SQLUPPER, SQLSTRING, EXACT which means no collation, TRUNCATE, etc.) are actual functions that are explicitly applied to some values, and whose results are sometimes explicitly stored in the global subscripts. When stored in subscripts, these values would naturally follow the NLS collation in effect (“SQL and NLS Collations”).

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Sentiment Analysis is a thriving research area in the broader context of big data, with many small as well as large vendors offering solutions extracting sentiment scores from free text. As sentiment is highly dependent on the subject a piece of text is about (financial news vs tweets about the latest computer game), most of these solutions are targeted at specific markets and/or focus on a given type of source data, such as social media content.

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I am pleased to announce the field test of Caché and Ensemble 2016.3 - with many new improvements.

The product team at InterSystems looks forward to your participation in the field test and feedback over the coming months.

Some of the more signification changes in 2016.3 are new RESTful APIs for iKnow and broader APIs for programmatic control of multiple servers (enterprise manager). As always, there are a host of scalability and performance improvements, including improvements to the core database and SQL. And hundreds of smaller improvements and corrections.

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NewBie's Corner Session 6 If and Kill commands

Welcome to NewBie's Corner, a weekly or biweekly post covering basic Caché Material.

Click on the Caché Cube in your system tray and select Terminal to try out the commands.

As in other computer programming languages, the If command is the primary decision makes.

If command with numeric operands

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Article
· May 28, 2016 3m read
DeepSee Listing Groups

This article is about DeepSee Listing Groups, a new DeepSee feature that was introduced in release 2015.2.

DeepSee Listings have always been a part of DeepSee. DeepSee Listing Groups provide increased flexibility by allowing you to create new DeepSee Listings without modifying the cube definition.

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Article
· May 27, 2016 1m read
2016.3 Field Test Kit 2016.3.0.628.0

Steve Glassman is on vacation today so in his place I wanted to announce the availability of a new kit for the 2016.3 Field Test. The kit details are: 2016.3.0.628.0

Most of the changes are related to DeepSee, DocDB data models and dynamic objects. You can find a complete listing here:

https://wrc.intersystems.com/wrc/WRC.StreamServer.cls?FILE=/wrc/FieldTes...

Bill McCormick

Director of Product Management

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