Informix is an SQL-based object-relational, OLTP/OLAP, NoSQL DBMS produced by IBM. This tag is appropriate for questions about any of the products with Informix in the product name.

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SSRS and Informix connection

I have the IBM drivers installed, created a data source that successfully tests from SSRS front end. Create a report from my machine which also has the drivers installed and the ODBC testing ...
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101 views

Optimizing an Informix query — Specify architectural solutions if possible too (like caching service)

We have a huge query on an Informix database that is not performing well. The query is doing a join of 9 different tables. Maximum row count is just 40,000 rows. The query also has 9 sub-queries, and ...
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1answer
108 views

Informix Server Rejected Connection

What are possible causes for the following error? DB Error: connect failed [nativecode=08004 [unixODBC][Informix] [Informix ODBC Driver [Informix]Server rejected the connection.] I have doubled the ...
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1answer
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Informix: is it necessary to update statistics on views?

In Informix I have a partitioned table for performance reasons. One contains the latest data and another the historical data. Also, there is a view which contains data from both. When I update ...
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Creating a MySQL db from an Informix database

There is an existing database that was created in Informix. I would like to export it and then import it into MySQL. I tried to export it using dbschema and it created the dbase.sql file and several ...
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Retrieve one of two possible values from 1 table in INFORMIX

I have a table which for the same key, it will always have one record with value 'P' but sometimes that same key could have two records one with value 'P' and one with value 'L'; I need to create a ...
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4answers
609 views

How to join the latest previous record with SQL

The original question was posted on stackoverflow. I think this site could be more focused on db related topic. I have a table whose schema is like this: CREATE TABLE product_shipping( ...
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0answers
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How to join the latest previous record with SQL [duplicate]

I have a table whose schema is like this: CREATE TABLE product_shipping{ product_id CHAR(10), product_name CHAR(10), deal_dt DATETIME, deal_reason_no SMALLINT, cancel_dt DATETIME, cancel_reason_no ...
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1answer
74 views

How can I control the order of a query regarding to inner join

I have 3 tables. They have table_a 5m records table_b 20m records table_c 20m records I'm performing the query below. SELECT * FROM table_a a INNER JOIN table_b b ON a.a_id = b.a_id AND ...
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1answer
630 views

Multiple table rows in one row Informix

I have problem just like this one but in Informix. I have table with 2 attributes ID, email like this one: ID email 1 my_mail1@mail.com 2 my_mail2@mail.com 2 my_mail3@mail.com 2 ...
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349 views

Moving the IBM Informix IFMXDATA directory to another machine

I'm a total newbie when it comes to Informix DBs, and I'm stuck with what looks like files that contain an Informix database. I'd like to know if it's possible to add or import these files into an ...
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1answer
1k views

How to know what index is set on the table with command line in informix?

I'm using the Informix DB. I want to detect what index the table has using command line. I used dbschema -d dbName -t tableName | grep index to detect the index. What's my problem is that the ...
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2answers
2k views

Filter Stored Procedure Result (Informix)

IBM Informix Dynamic Server Version 11.50.UC5XA. I have a Informix database. This database contain a stored procedure with name of 'sp_agent_details' that get two DateTime Parameter. This stored ...
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0answers
180 views

Passing parameters through Excel to an Informix DB works through MS Query but fails when returned to Excel due to General Error

I require to query an informix database using parameters and Excel. When the query is executed in Microsoft Query the dataset is fetched and returned succesfully, when I attempt to return to Excel the ...
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1answer
469 views

Can't Select a View on Informix

I'm using Informix IDS 11.50 Innovator-C edition running on Slackware Linux 12.0. I've been running a very small Database on it(less than 10000 records on the biggest table). I'm trying to select a ...
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3answers
612 views

Why can't I create a database in a 107GB dbspace I created for my instance?

11.70.FC6 Developer Edition on Windows 7 Pro 64-bit: Downloaded via IIUG link and installed it. I created a custom DSS instance named "server" with a 128GB dbspace named "datadbs". Install wizard ...
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2answers
637 views

How should I best design the tables and relationships, given the following rules?

In a Pawnshop business, customers pawn, sell or buy items. A contract which specifies the customers information, the items, and the terms and conditions is created whenever customers pawn, sell or buy ...
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1answer
406 views

connection to Informix still active despite closing?

I have a small C# utility connecting (via the IBM Data Server Provider for .NET) to a Informix DBS (version 11.7) and sending one or two queries to several databases. Even though I close each ...
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2answers
644 views

Does a cluster index provide more benefits than pre-sorting the load file and creating non-cluster index?

Informix 11.70.TC4DE: CREATE TABLE cluster_tbl ( fk_id INT, data CHAR(2048) ); LOAD FROM "presorted.ld" INSERT INTO cluster_tbl; CREATE UNIQUE CLUSTER INDEX cl_idx ON cluster_tbl(fk_id); ...
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1answer
3k views

What joins are available in Informix 9.2?

I'm testing some queries with an old version of Informix (9.2.1) and can't seem to execute even the most basic queries containing RIGHT OUTER JOIN or FULL OUTER JOIN. Tried several variations (RIGHT ...
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1answer
3k views

Why does NOT IN with a set containing NULL always return FALSE/NULL?

I had a query (for Postgres and Informix) with a NOT IN clause containing a subquery that in some cases returned NULL values, causing that clause (and the entire query) to fail to return anything. ...
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3answers
7k views

What does NVL stand for?

What does NVL stand for? I'm talking about the Oracle and Informix (perhaps some others too) function used to filter out non NULL values from query results (similar to COALESCE in other databases).
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1answer
178 views

OVERLAPS for Informix

Does Informix have a function equivalent to OVERLAPS, which finds out whether or not two time intervals have any time in common?
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1answer
926 views

ODBC Connection As Clustered Resource

First step in a long process of creating a Linked Server to an Informix database on a Sql 2008 (Win 2003 x64) cluster. I was wondering how to go about creating an ODBC connection as a clustered ...
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2answers
3k views

How to delete a procedure which name is ambigous?

I am using informix... I dont know how i did it, but there are two procedures with the same name in my database. When i try to remove them with a DROP PROCEDURE myProc; then i get a error message ...
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2answers
905 views

serial field issue

Q: I use a serial as a datatype for my primary keys in my tables. I insert a lot of data then truncate these data one after one many times to test the data entry. My question is: Is there any ...
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3answers
9k views

What's a good (free) client for Informix on Windows? [closed]

I'm looking for a GUI client for Informix on Windows (mainly to view data and execute queries), free would obviously be nice but I know Informix is used mostly in corporate environments and free may ...