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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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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58 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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102 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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29 views

DB2 removing white spaces in field values

In a table I have a column called column_xml defined as CLOB(1000000). The fields in the column contain XML formatted information. My problem is that there are lots of white spaces in these fields ...
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57 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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1answer
35 views

Reasons for db2 foreign key error (-667) despite all rows appearing sane?

I have some csv formatted table dumps and loaded those into a new database with the tables defined by a DDL script from the source database (both acquired by somebody else so I cannot have a look at ...
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23 views

How do I compare two tables with the same column definitions in different schemas?

Any advice would be appreciated. I'm leading my projects initiative to upgrading our ETL software. This can result in data integrity differences. My testing plan is as follows: create an identical ...
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408 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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60 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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2k 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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23 views

Remove single quotes from db2 column name

I have following query which i am trying to execute against db2 database server SELECT REPLACE('\'abc\'','\'','') FROM TN_DAY_PROCESS I am expecting the output like abc without single quotes from ...
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97 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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61 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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16 views

Automate Changing of password for Crystal Enterprise 9

I recently took on some new responsibilities at work including the documentation of existing processes and development where necessary of new ones. Currently, one of these is the changing of the ...
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1answer
11 views

How can I create DB2 objects with Linux SUDOer authority?

All, I am relatively new to Red hat linux and I have SUDOer authority but unable to create DB2 database or other objects. How can I accomplish this task? Please give examples. Also, is there any ...
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25 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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6k views

What exactly is binding in DB2?

I recently crossed over from being a Java developer to an actual DBA in our company. I am learning the ropes, so to speak, about being a DBA (which is actually somewhat of a new position for our ...
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31 views

DB2 - how to track IOPS statistics?

DB2 9.7. Is there some easy way in every moment go have statistics about IO operations per second? I am not interested for hit ration on Buffer Pool but really on IOPS? THANK YOU
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81 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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16 views

IBM DB2 9.7 determining default tablespace

I have a DB2 9.7 database. I have defined any specific tablespace, so all tables go to USERSPACE1. Now I have created two new tablespaces and assign two tables to each of the two new tablespaces with ...
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29 views

Can we change DB config after db creation in DB2

Can we change below configuration of DB2 Database after DB is created. Database territory = US Database code page = 1208 ...
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33 views

DBI1011I Error when using db2iupdt to enable Text Search

I'm trying to enable Text Search in my DB2 instance. I'm running this command: # /opt/ibm/db2/V10.5/instance/db2iupdt db2inst1 -j "TEXT_SEARCH,db2j_db2inst1,55000" I get this error: DBI1011I An ...
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24 views

SORT_SEQUENCE is wrong in as400 library indexes. Can this cause performance issues?

I have 4 AS400s running JDEdwards. Lately a performance issue occured as described here: AS400 Performace issue Although i am not an expert in AS400 , i tried to find out the cause. I think it came ...
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21 views

error during db2 installation and uninstallation process

I had installed DB2 9.7 Express C at first. I tried to uninstall that version using the control panel and the add/remove programs option because I got the SQL500C error all the time upon system login ...
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89 views

DB2 selects break after migrating from RHEL5, V9.7 to RHEL6, V10.5

I'm migrating a bunch of perl CGI scripts from an older RHEL5 installation to a RHEL6 server. On the old server, DB2 V9.7 was installed, the new server has V10.5. No databases on the servers ...
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323 views

How to use db2look to get the ddl of sequence?

I was wondering how to use db2look to get the ddls of sequence. db2look -d my_db_name -z my_proc_schema - I tried this but it is not showing any results. Is there an option to directly mention the ...
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8 views

DB2 bidirectional replication of federated object?

Bidirectional replication of a federated object - is this possible on DB2? Example: replication of a table on the DB2 and another table on MySQL as federated object inside of DB2. Anyone ...
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21 views

DB2 manual asynchrounous real-time replication to NON-DB2 database

I have been given a Proof-of-Concept task to find out whether it is possible to set up manual (=no 3rd party tools allowed) asynchrounous real-time replication in DB2 that replicates all data changes ...
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18 views

MySQL manual asynchrounous real-time replication to NON-MySQL database

I have been given a Proof-of-Concept task to find out whether it is possible to set up manual (No 3rd party tools allowed) asynchronous real-time replication in MySQL that replicates all data changes ...
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1k 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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47 views

Export to csv using db2 v10 for z/os

in db2-luw, I can create a csv using the export command. However, running the same command in z/os results in: SQL1325N The remote database environment does not support the command or one of ...
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29 views

DB2 SUM / INNER JOIN question

I have a query that is the following: SELECT CMSTKY AS Customer, CMNAME AS BusinessName, WKMDL# As Model WKSLD# AS Sales FROM GPCMP INNER JOIN GPCM1P ON GPCMP.CMSTKY = ...
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61 views

How to grant rights for a user in DB2 Express?

I have installed DB2 Express on a PC. My user is not an administrator user, however as far as i know, it is possible to grant a user rights, so he can create/delete/modify a database. I have ...
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875 views

How to drop a DB2 instance when the instance owner was removed

This is a real sticky situation. I was handed over a machine (running an AIX 7.1), and my first task was to re-install DB2 server on it. But someone before me had conveniently removed an instance ...
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71 views

db2 - after the reboot - database is restarting itself after some time (urgent help needed)

we had to reboot server because storage administrators had to extend storage for db2data. We have 9.7 FP 0 on Linux. After that when we started the DB database is restarting itself after some time. It ...
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48 views

DB2 - How to estimate proper BUFFERPOOL size?

DB2 9.7. 8GB RAM on server. Currently BP has 500 MB (number of pages*pagesize) Database has issue with increased IOPS. So we think maybe BP should be increased. How to estimate needed size for BP? Is ...
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21 views

Why db2data folder changes its size (increasing and decreasing )?

we have DB2 9.7. It has almost 30 GB. Data are on this /opt/IBM/db2data/ctginst1/NODE0000/DB_NAME/Txxxxxx I noticed that every day during the day (suppose because of the workload) DB change its size ...
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27 views

Issue with refactoring columns and how ODBC query receives data

We just installed iSeries 7 box and migrated a database from i5. The migration was to accommodate a new version of vendor's application. They made some changes to the columns by increasing them from ...
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51 views

DB2 - How to get value for: Transation Per Minute parameter for DB?

Hi is there some easy way to find out what is transaction per minute value for the database? Should I use db2 get snapshot? We are using DB2 9.7 ESE on Linux Thank you in advance
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16 views

What is the “Other” Memory Pool in DB2 LUW?

I have a Memory Pool consuming the better part of my server's memory, but I can't seem to find any proper documentation on what this Memory Pool actually is for. What is the "Other" Memory Pool in ...
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1answer
17 views

db2 import and user access

When I import data from DB2 using db2move, the dump file comes with the data exported as "USERX.MYTABLE". The import process seems to be fine, I see lots of: USERX.MYTABLE n rows imported ... But ...
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1answer
61 views

creating PKs for existing tables - altering column constraints

I am quite new to DB2, so I googled around how to ask questions correctly and so I hope I can provide all necessary information. I have an existing table A1230922.CALSONW with several (195) columns ...
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88 views

DB2 - Archive Mode - on what values to set LOGPRIMARY,LOGSECOND,LOGFILSIZ?

we must set our database from CIRCULAR to ARCHIVE mode in order to enable ONLINE backups. Backups will be done every 1 day. Database is now almost 30GB. Database grows approximately 1GB per month. ...
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41 views

DB2 - Archive mode - large number of logs in logarchmeth1 folder

maybe for someone this is begginner's questions. I read lot of documentation and set: `LOGPRIMARY 6 LOGSECOND 4 LOGFILSIZ 4096 logarchmeth1 Disk - C:\archive logpath C:\active` Number of logs ...
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2k views

db2 database alias not listed via list database directory but still unable to create that database

I am trying to create a database by logging on to the linux server on which the db2 server is installed, as the instance owner db2 => list database directory System Database Directory Number ...
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31 views

DB2 users/ beginer questions

New to this. Looking at db2 schemas, which should be equal to OS system users, right ? Doh apparently not. Except for PC,DB2ADMIN beeing on my OS system How is it, that this select * from ...
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36 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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2answers
122 views

cross database way to force join strategies

[how to enforce the query to use certain join algorithm] Knowing that there are several joining algorithms [Nested Loop; Sort Merge; Hash Join], when implementing a query , is there any technique to ...
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1answer
130 views

Testing if temp table exists in iSeries SQL stored procedure

What would be the syntax for testing if there is already a global temporary table in DB2 for IBM i 7.1? I tried this after DECLARE GLOBAL TEMPORARY TABLE: SELECT * FROM QSYS2.SYSTABLES WHERE ...
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3answers
195 views

UPDATE … FROM … syntax for iSeries for a MS SQL Server developer

When I wanted to update a table to the values from another table in SQL Server I would use following syntax: UPDATE t1 SET t1.a = t2.a FROM t1 INNER JOIN t2 ON t2.b = t1.b What would be iSeries 7 ...