Hi All,

I am a beginner in cache. I need to extract data from multiple tables (4-5) tables based on an SQL query . The data is more than 9 lakhs of records (i checked using count). The total number columns is 16.

When I am running this SQL query through management portal, I am getting time out exception. Could you please suggest how I can retrieve those records. Which way will be good (Dynamic query using %SQL.Statement or Embedded SQL (not known to me) or Writing to a global will help or not).

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Hello Team,

I need a help in the following error I am getting while running the SQL Query. I am running the SQL Query from different table using inner join. I run this everyday for last 90 days but for few days while extracting the data through this query I am getting this error. Please assist.

SQLException was thrown: Incorrect list format: 0 >= 0_SQLSTATE: S1000

SQLException was thrown: Incorrect list format: 0 >= 0_SQLSTATE: S1000

Error getting attributeColumn: Name

Error getting attributeColumn: Amount

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I need to split existing tables from database and put some parts of them into a new namespace. I dont know where to start, other than the installer.cls file. If you can provide clear instructions i would be greatful.

Example:

I have NAMESPACE=NEWTEST and DB

The i need to take TABLES from that DB pull specific data from them and bind it to NEWTEST

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IRISTEMP - IRIS.DAT took up all the available disk space of almost 2 TB that leads to Production instance down.

After RCA the suspected cause was some SQL query but not confirmed as query result was received within a minute.

Currently we are monitoring the IRIS.DAT and it is continuously increasing and currently we set the MAX size for this DB, but not sure what will happen once it hit the MAX SIZE ?

Any clue why the IRISTEMP DB is not flushing the data from IRIS.DAT as i believe it is being mostly used for system processes and is in increasing trend at ~ 1GB/day?

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Hello,

searching messages in our Message Bank is quite slow, often runs into timeout.

I wanted to perform a tune table on Ens_Enterprise_MsgBank.MessageHeader because this apparently has not been done yet - the Tune Table utility shows no entries for selectivity, etc.

I tried

w $SYSTEM.SQL.Stats.Table.GatherTableStats("""Ens_Enterprise_MsgBank"".MessageHeader")

and got this error message

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Hi team,

I'll start with an apology as I am trying to wrap my head around the architecture of how InterSystems IRIS database management works. I am attempting to connect to the platform remotely through say a JDBC or ODBC connection in order to run queries, searches (through SQL statements) on my laptop and was trying to understand whether this would be possible? It is possible to setup an inbound client connection and wanted to better understand the architecture of how the database association works for IRIS database management. Does it use it's own internal SQL database or are we able to connect to our own database and which databases are certified to run against the platform?

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Can I please check if anyone know why the data base resource is created differently when creating a namespace after specifically selecting it to use the default resource %DB_%DEFAULT?

I created a namespace and when creating the DB I selected the option to use the default resource

When the namespace creation was complete , database is using a new resource instead of the default.

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I am calling a stored procedure over an ODBC connection and every time I call it there are several warnings written to the log event {Found no Parameter 1 (used as 1) for query}.I seem to be getting this on every query executed and that seems to happen a number of times the query parameters are per query and its filling up my disc.

1) Is there a way to suppress these warnings as the query seems to be executed and data written to the database?

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Hi,

I'm trying to load some data into IRIS using LOAD DATA in the IRIS terminal however I am getting blocked by this error. I have read the documentation on this page trying to set up a gateway connection but get the same Connection cannot be established error.

This is what is in the %Java Server activity log

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Question
Andy Stobirski · May 6, 2022
User code location

Hi

Does anyone know where the user generated code resides, the stuff one might write for a production, I presume it lives in a table somewhere within a database?

Basically, I want to do some dependency analysis of what I've written - find out what's in use, how it's referenced, etc. I know I can export it to an XML file and work on that, but direct access on a table would be quicker for me.

Cheers

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Hi,

I'm very new to InterSystems Health Connect so may be doing something silly...

I'm trying to link to an Oracle DB view using the Link Table Wizard in the Management Portal. The wizard finds the view, but when I select it and click the 'next' button I get an error on the 'Select Columns' screen: 'ERROR #5534: Columns error' (and no columns show in the wizard). I've tried on several views and tables in the same DB but keep hitting the same error.

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Hi!

I'd like to know if there are any issues if an index is inserted into a table without running the %BuildIndices() method.

It's important to note that data inserted before the index is not important for retrieval, so it's not a problem data inserted before the index don't show up in queries.

The reason why I'm asking this is that I'd like to avoid index reconstruction on big tables which I need to inser such index.

I'm using Cache 2018.1.

Thanks,

José

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Question
Peter Stordiau · Feb 20, 2022
Maximum Global Size ?

Dear people,

I (really) spent hours on finding the maximum size a Global is allowed to be (for Windows, if that matters). All I seem to run into are database sizes (derived from a max number of blocks and block size), but I refuse to believe that is correct because too small to be realistic. surprise

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Found one interesting behaviour in one system with Ensemble. Some Request class has a property with type %XML.CharacterStream by design, this class is the heaviest request in the system, and with profiling journal files, it got about 40% of the file. When I counted all the sizes of such streams per one day and found that the real stored data is three times less.

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I have a SQL query that I want to run against MS SQL from cache ensemble using the SQL outbound adapter. If I run this query direct from MS SQL Studio it take about 7 seconds MAX and returns about half a million rows. The row only contains one column it is a number all same size and if I run this query in the production in ensemble it takes for ever the production finishes without getting the response back. The same query run in cache outside the ensemble environment writing results to a file it returns results taking about 3minutes to complete.

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Consider a Natural Key with an Identity (Serial) field.

I cannot seem to acquire the generated value after persisting my entity. That is, the returned entity by Spring Data's "save" does not have the generated value.

The value is generated by the database, and I can query it after repository.save(entity).

I have done some testing and created a Github repo with it...

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