The IBM DB2 Enterprise Server Edition is a relational model database server developed by IBM. It primarily runs on Unix (namely AIX), Linux, IBM i (formerly OS/400), z/OS and Windows servers.

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IBM DB2 9.7 and latest 10 version compatibility

At some point projects need to move from IBM DB/2 9.7 to some 10 version. Are there any significant compatibility issues that should be taken into account? We ofcourse use tables in schemas, but then ...
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1k views

Db2 Express doesn't start TCP/IP listener (SQL5043N)

At home, I've installed DB2 Express on my Win7 notebook, as a part of the IBM WebSphere installation. At first it was working, but then I restarted Windows and moved to the office, and since then I am ...
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66 views

DB2 9.7, create or replace tablespace possible?

I am creating my tablespaces in the sql scripts that create the database schema. This causes a problem in continuous integration processes, where consecutive execution of the script is not possible ...
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1answer
257 views

DB2 Query Error SQL0204N Even With The Schema Defined

I'm using Python to access tables in DB2 10.1.0 I have a login account named foobar and a schema with the same name. I have a table named users under the schema. When I'm logged in as foobar, I can ...
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Emulate REGEXP like behaviour in DB2 SQL

I posted the same on stackoverflow (please, let me know if I have to delete one). I'm working on a DB2 database and as far as I can see regexp is not supported (without additional libraries). So I ...
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2answers
189 views

Join 3 tables and return only distinct values for max datetime

I've been trying to do this the whole 2 weeks but seems like to no avail. 3 tables involved here. but am expecting the result would be distinct case no. for the same date & user. otherwise, it ...
2
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1answer
182 views

db2 performance issue - large number of IOPS how to determine problem?

DB2 database is on storage. We are using 9.7 Storage administrators reported that today database was doing 5000 IOPS (during past days average number was 300 IOPS). Those are disk operations from ...
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66 views

DB2 - how to safely blow away database on linux?

I'm using (I believe) 10.1.2, on CentOS 6.5 (for sure). The underlying problem I have is that the database upgrade package prepared in house isn't working for me, in at least the sense that the ...
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2answers
3k views

DB2 to require password each time

I am using db2inst1 to connect to a database in DB2 which I have installed on my machine. Therefore, db2inst1 user does not require username/password authentication (borrows them from the OS). I would ...
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239 views

Problem deleting detached partition in DB2 LUW V9.7

Recently in prod environment we are having problems while dropping the detached partitions its giving this error """ DB21034E The command was processed as an SQL statement because it was not a ...
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1answer
138 views

DB2 developers can't create table in own schema but SQL and Oracle devs can. Justified?

As a developer new to DB2, I was surprised when I discovered that I could not create my own tables in the development database environment. So, I posed a question to the db2 DBA. I don’t want to be ...
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14 views

Auditing AS 400 DB2 library user access

As part of the testing to check for authorized users having access to applications and libraries on AS 400 systems, I need help to figure out a list of users having access to applications hosted on ...
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2k views

DB2 SQL: How to select all days in a date range even if no data exists for some days

I am really really new to the whole programming world. I have found this previously. However I need rolling dates and into a SQL i am not aware what it is. Example of the SQL im using: Select ...
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1answer
116 views

DB2 critical alert “database partition availability”

I have a existing DB2 database that I'm just getting started with and I have connected IBM Data Studio (web) to it and it says that it has the alert "Database Partition Availability" but it doesn't ...
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1answer
91 views

How to track IOPS statistics?

Is there a way to access statistics about IO operations per second in DB2 9.7? I am not interested in the buffer pool hit ratio, just IOPS.
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1answer
44 views

Apply DB2 logs from production to DR

Is it possible to Apply DB2 9.5 logs files from Production site to DR site? Or do I have to do Backup/Restore and rollforward ...? I copied log files from production site to DR and issued the ...
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1answer
456 views

DB2 - Not enough storage in the database heap error when trying to create database

So like the title says I'm trying to create a database using this script db2 -v -t "CREATE DATABASE %DBNAME% ON '%DBDRIVE%' USING CODESET UTF-8 TERRITORY US COLLATE USING SYSTEM CATALOG TABLESPACE ...
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3answers
2k views

DB2 LOAD data into table - Interpreting the error messages

I encountered some constraint issues when loading data from file into table ** SQL3109N The utility is beginning to load data from file "xag". SQL3500W The utility is beginning the "LOAD" phase at ...
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1answer
141 views

DB2 Materialised Query Table performance problems

I'm comparing performance on a series of tables involved in insert/updates/deletes. These tables are about to become the source tables for a Materialised Query Table so I thought getting some ...
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2answers
159 views

DB2 db2fm proccess

Server is been up for 365 days, however i got some weird repeated procceses. Are these normal? ps -fea | grep db2fm db2inst1 643284 229516 29 May 25 - 212564:06 ...
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381 views

DB2 Linked Server on SQL Server 2012 - Grant Access to Users

I have a linked server on SQL Server 2012 Instance to point to a DB2 database and I have Sys Admin access to that Instance. I am unable to test connection to that DB2OLEDB database as I get below ...
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1answer
1k views

Run a Stored Procedure in DB2 (which has dynamic DDL) under the Definer rights

For our Datawarehouse applications, we want to perform ALTER TABLE ALTER CONSTRAINT <constname> NOT ENFORCED, before the load. Perform the load and then ALTER TABLE ALTER CONSTRAINT ...
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20 views

DB2 LUW 9.5 ignoring indexes

I am seeing something in DB2 that I've never seen before. DB2_VERSION: 09.05.5 AIX VERSION: 7.1.0.0 I've got a query that is properly indexed. In fact, it’s heavily indexed. However, when I get the ...
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25 views

Optimization suggestions for db2 materialized view

I have a view for db2 9.7 which has consolidated o/p from few tables. The view is built and it is working fine I want optimization suggestions on the view SQL CREATE VIEW XYZZ AS SELECT ...
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924 views

how to run Db2 export command in shell

I am trying to run the following db2 command through the python pyodbc module IBM DB2 Command : "DB2 export to C:\file.ixf of ixf select * from emp_hc" i am successfully connected to the DSN using ...
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13 views

“Approximately equal” between Sync and Async operations for PageCleaners

The documentation of num_iocleaners says: The parameter can be reduced if both of the following conditions are true: pool_data_writes is approximately equal to pool_async_data_writes ...
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1answer
28 views

Not getting CLI Trace log DB2

Currently I am working on fixing an issue with the Java-DB2 connection leak. For which I require the CLI Trace logs. In my db2cli.ini I have added the below parameters, but still I am not getting the ...
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3k views

DB2 will not INSERT into Created Temp Table that I created

I normally use SQL Server but for this project I'm having to learn DB2. If I can get the below code to work I'm set for the whole project. Below is a elementary example of what I cannot get to work. ...
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1answer
26 views

db2 removal of Generate always Expression on Timestamp data type

I have a column UPDATE_TIME with an expression TIMESTAMP NOT NULL GENERATED ALWAYS FOR EACH ROW ON UPDATE AS ROW CHANGE TIMESTAMP How to remove the Generated always for timestamps? I tried ...
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1answer
26 views

DB2 importing/replacing fields from a file that contains XML

In two tables I have a column called table1.column_xml and table2.column_xml_2 defined as CLOB(1000000). The fields in the column contain XML formatted information like below column_xml ...
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1answer
51 views

How we can make database resumable in perl script

I have a Perl code which connects with database and scan data from different different table. I face a problem if I lose my connection: it roll back all the transaction. How could I make the Perl ...
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1answer
263 views

Term for a one-row table?

Is there a specific term to describe a relation with a cardinality of one? I'm thinking particularly of RDBMS "special" one-row tables, for example, DUAL (Oracle), SYSIBM.SYSDUMMY1 (DB2, Derby) and ...
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1answer
36 views

How to apply a regex on a column fetched from DB

I am using IBM DB2. So, I am retrieving a column named SSN from a table. I have to apply the following regex on that column: ([1-57-8][0-9]{2} |0([1-9][0-9] |[0-9][1-9]) |6([0-57-9][0-9] ...
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1answer
79 views

DB2 LUW Query Optimization - IXSCAN timerons greater than total timerons

Sorry - I feel like this is a newb question, but I can't find anything on it. In optimizing a query, I was able to apparently reduce the total timerons from 3,700 to 38. However, on closer examination ...
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3answers
2k views

DB2 equivalent for MySQL's DROP .. IF EXISTS

Is there an equivalent in DB2 for MySQL's (or PostgreSQL's): DROP TABLE IF EXISTS sometable;
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40 views

Need help with putting conditions on a column in a result set [duplicate]

I am using IBM DB2. So, I have a SQL query in which I am retrieving a person's SSN from a table. I want to put conditions on that SSN column of the result set, conditions like : 1) It should start ...
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2answers
56 views

Does anyone use modules in DB2 LUW?

Our environment is currently DB2 9.7 Fix Pack 4 on AIX. I am in the processing of designing and coding some SQL PL stored procedures responsible for archiving data into an archive schema and then ...
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27 views

In DB2 LUW 9.5, is there any way to change the collating sequence without recreating the db?

The documentation says "no" :-) I'm looking for some heady old DBA to whisper dark secrets about cludgy hacks that I'll get fired for sure for using ;-)
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16 views

DB2 Trigger for EVENT and ARCHIVE TABLE

I have a requirement on DB2. There is a two Table EVENT and ARCHIVE. Both table has ROW_ID and STATUS field. Case 1: When Update STATUS Zero to One at EVENT table that row will insert at ARCHIVE ...
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2answers
331 views

create a stored procedure if it doesnt exist using a ddl in db2

My requirements are, I want to create a ddl script which will check if a stored procedure exists on DB, if yes then drop it and recreate it. What I tried is, IF EXISTS (select procname into ...
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1answer
1k views

DB2 9.7 LUW - How do I SET SESSION_USER when I am DBADM,SECADM?

Based on a previous question I have asked, I am attempting to work on a solution as recommended by mustaccio's answer, whereby I have another ID to create my DDL objects. I have been trying to follow ...
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2answers
5k views

Why doesn't DELETE + REORG free diskspace (DB2)?

In DB2 I have a table containing large binary data. Now i purged the whole table and ran runstats, reorg, runstats, but the amount of disk space taken does not change. What could be wrong here? The ...
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1answer
59 views

How do tablespaces differ in DB2 from databases in MySQL or SQL Server? [closed]

In DB2, it seems there is a strong separation between what a database is and what a tablespace is. Where as in MySQL and MS SQL Server tablespace and database seemed to be used synonymously. What are ...
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0answers
97 views

Split comma separated entries to rows

I have a Table like this: | ID | OtherID | Data +--------+-----------+--------------------------- | 5059 | 73831 | 5103,5107 | 5059 | 73941 | 5103,5104,5107 | 5059 | 73974 | ...
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1answer
400 views

Create new Read Only user on DB2 on the whole database

I am an oracle/sql server DBA having limited knowledge in IBM DB2. We have DB2 9.7 fp4 running on AIX 6. I would like to create a new user and grant him READ only privilege on a particular database. ...
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595 views

DB2 (LUW) equivalent for Oracle “drop user cascade”

This question is related to creating and initialising test and development databases for an application that has the database running on LUW (linux-unix-windows) On oracle, we have an os user (on ...
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29 views

who are the group people in db2 and who are the users db2luw

I am new to DB2, I want to learn basics in db2luw. Like Who will create group, and under this group who are the users, and what group people do, and what users will do Thanks in advance Raghava
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30 views

Raster files into DB2

Team, We have been loading shapefiles into DB2 using db2se import utilities. I have been trying to find help to load Raster files and i wasnt able to find any help on this. it would be really ...
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1answer
68 views

Db2 high availability Instance configuration db2haicu fails

Hi I Configured db2 HADR between two servers and the servers are running in HADR Primary and Standby are syncing up I tried to configure the instance configuration utility db2haicu on both the ...
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1answer
58 views

Merging a Select query into a view

I am using DB2. So, I have a view which is working fine. It is : Select Atr.Ssn_Tx ,Names.First_Na ,Names.Middle_Na ,Names.Last_Na ,Reff.Ref_Cd_Desc_Tx Suffix_Na ,MBR.PRSN_MBRSH_ID From ...