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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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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250 views

SQL Index order and performance based on cardinality and data

I've been working quite a bit on a query that's not operating very efficiently on a DB2 database. The thing will return up to 30k rows or so and take up to 10 seconds. I've been working on getting ...
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Immediate refresh materialized views (MQT) with OUTER JOIN under DB2

DB2 accepts a materialized view based on an "OUTER JOIN" query, as long it doesn't refresh automatically (REFRESH IMMEDIATE). I cannot find a simple solution to get round this problem. Perhaps with ...
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156 views

Determine if existing Trigger acts on field DB2

I am eventually going to be writing a trigger on a field named "user2". Currently most of the values in this field are blank, but there are some seemingly random rows with values of '00' for the ...
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Partition Fact Table

In one of my fact table which has close to 25 million records in it and now when a cognos team try to run the report on top of that it takes lot of time, So i am thinking of partitioning the table we ...
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Is storing archive logs on local disk and backups on vendor storage possible?

I am using DB2 9.7. My LOGARCHMETH1 is set to VENDOR library. Example: LOGARCHMETH1=VENDOR:/usr/openv/netbackup/bin/nbdb2.sl64 Is it possible to call the following backup command: db2 backup ...
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360 views

DB2 online restore - “SQL1035N The database is currently in use.”

I am trying to do ONLINE RESTORE ROLLFORWARDING TO END OF LOGS AND COMPLETE. When I run this command I am getting error SQL1035N The database is currently in use. It does not allow any connections to ...
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3k views

DB2 Online Restore but Without Roll Forward?

I read a lot of documentations for db2 restore but I could not find how to perform online restore from the last database backup but without roll forwarding of logs? I will appreciate command ...
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217 views

DB2 DBM paramter NUMDB has value 8. Should I change it to 1 because I have only one database?

Hello I am using IBM Maximo application which is using DB2 database and I have created only one database. I heard that when paramtere NUMDB has value 8 it will divide all values in DB CONFIGURATION ...
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754 views

Migrate DB2 UDB (Iseries) to SQL Server [closed]

I'm looking for a tools that allows migration of DB2/UDB databases to SQL Server. It's quite easy migrate schema and data using linked server or import export with SISS. But what about stored ...
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209 views

What is the locking behavior for Updatable/Insertable Views?

Consider I have a View that is merely a simple join between 2 tables, selecting all columns. The View is Updatable and Insertable. What would be the locking behavior when executing an UPDATE or ...
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490 views

Is SET INTEGRITY of any use after IMPORT statements, or just after LOAD statements?

I'm getting the feeling, both from documentation and empirically, that you can only put SET INTEGRITY to good use after a LOAD, not after an IMPORT. LOAD is mentioned for SET INTEGRITY, but not ...
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290 views

What program to use for the best compression ratio for DB2 log files?

What linux program to use to compress DB2 log files with the best compression ratio? UPDATE I thought that these log files would be text type files. But viewing them didn't prove this. I tried to ...
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248 views

Database comparison tool for IBM db2 like OPatch? [closed]

I am looking for a database comparison tool for IBM DB2. I was wondering if there is a utility for IBM DB2 similar to OPatch in Oracle's db 11g?
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578 views

Within a RHEL 6.3 + High Reliability Add-on, how do I add DB2 (v9.7) into a service group to have the service controlled by the cluster?

I have a cluster of machines running RHEL 6.3 with the High Reliability Add-on. I have configured a Clustered Logical Volume Manager (CLVM) file system for DB2, which is working correctly. Our DBA's ...
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224 views

db2 express c mac osx

I'm experiencing some troubles with the execution of DB2 express c on Mac OSX 10.6 Snow Leopard. I have installed the db system, creating two users, db2 and db2-user. The latter is the instance ...
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519 views

What are the best practices for ETL of data from one OLTP system to another, Part 2?

Ok, I originally started a question a ways back called "What are the best practices for ETL of data from one OLTP system to another?". And as you can probably tell from most of my questions so far, ...
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33 views

Which size is correct?

I have to estimate the size of a DB2 DB; I used several methods and the problem is I get huge differences. In order to simplify the problem, I'll focus on a unique table. Use of the following SQL ...
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DB2 connection rejected with JDBC and ODBC

Good day to all, Currently I have 4 as400 servers, with db2 installed, is the production server and development server with its two replicas. The development java team uses IBM Toolbox for Java and ...
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28 views

DB2 Express User ID Authority Error

I'm trying to create a sample database in first steps after installing db2 Express V10.5 I've looked at the answers provided below, but I'm not able to resolve my issue. How to grant rights for a user ...
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Recovery model of current database

I want to know how can I change the recovery model of my current database. I am having sysadm rights.Operating system is windows, Db2 10.5. can some one let me know the command please
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I can't divide 2 count(*) values without returning zero

The statement I'm using is for a KPI in Maximo and I currently have this statement: select (select count(*) from incident where incident.slanum = 'USERADMIN' and incident.actualfinish > ...
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34 views

Schema copy from 9.5 V to 10.5

Using DB2 move utility db2move to copy schema and database from source to target server. The source server is Server1. The target server is Server2. Do I need to set up the TCP/IP port ...
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Delete Query throwing warning db2

I am trying to delete multiple records from view The view has Instead of Trigger defined .. The view has records consolidated from multiple tables. [db2inst1@testServer001 ~]$ db2 "delete from ...
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DB2: What's the fast way to drop a big partitioned table?

We got a partitioned table with 100000000+ rows, when I drop it it takes 10+ hours and finally failed. how to speed drop command up ?
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How Do I Get DB2 NoSQL User-Defined Functions to Work

I am using NoSQL in DB2 10.5 FP4. I am creating and connecting to the database with the 'db2admin' administrator user ID on my Windows machine. I also used the 'db2 attach to DB2_01 as db2admin' ...
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How to Start DB2 10.5 HADR on the Standby Database

I am trying to set up HADR to run on my DB2 10.5 DB2 servers. I believe I have followed the steps correctly, but I'm getting the following error: [db2insh1@rslvm20 OneView]$ db2 restore database ...
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60 views

db2_install do not have write permission on the directory or file

This is the error I encountered (I ran the db2_install and everything else as root,): DBI1288E The execution of the program /home/DB_SERVER/ibm/db2/v10.5 failed. This program failed because ...
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DB2 zOS increasing DSSIZE vs adding partition?

I'm trying to load data into a DB2 table. The tablespace has 3 partitions with about 60M,60M,70M rows. The 3rd partition is failing to load. It gives me a warning that loading this partition's dataset ...
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55 views

How to determine when REORG with LONGLOBDATA is required (DB2)

REORGCHK only identifies when a reorg is required for space reclamation on normal (non-LOB) data. Is there a way of determining how many pages are wasted due to LONG and LOB data that has been ...
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32 views

Parallel insert in db2

I am trying to import from 8 files and insert into a single table in db2. I am running 8 .sql files that will do the task, but only one of them actually seem to be running and inserting into table. ...
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How to access another db from a stored procedure in db2

I want to query a table in another db from within a stored procedure in db2. For example, I am connected to db_a1, and call a stored procedure from within which I need to connect to a table in db_a2. ...
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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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56 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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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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The query result changes in remote and local database

The below table is created in local database and remote databases. CREATE TABLE EMPLOYEE1 ( EMP_ID INTEGER, EMP_NAME VARCHAR(10), EMP_DEPT VARCHAR(10) ); Insert the below rows in tables created in ...
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308 views

SYSPROC.ADMIN_MOVE_TABLE procedure error

Iam using DB2 V9.7. The question is regarding SYSPROC.ADMIN_MOVE_TABLE. I tried to move a table between tablespaces, and its throwing an error. db2 "CALL SYSPROC.ADMIN_MOVE_TABLE ...
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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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352 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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2k 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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107 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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390 views

“Scan interface error” when connecting to a DB2 database restored on a different server

I restored a database backup taken on a different server using this script: FORCE APPLICATIONS ALL; RESTORE DATABASE MY_DATABASE_NAME FROM /backup/db2inst1 TAKEN AT 20140104051657 ON ...
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221 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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DB2 crashes when XML columns used in Cursors inside a SP

This is the Stored Procedure code written in DB2 V9.7 LUW FP5 **CREATE OR REPLACE PROCEDURE USP_TEST ( IN LOC_LIST XML) P1: BEGIN ATOMIC DECLARE IV_SOV_LOC_ID BIGINT; DECLARE ...
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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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847 views

Where can I find the connection string for a DB2 database?

I need to connect an application to my DB2 database. Both application and db are running on the same machine. I've tried this: ...
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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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IBM DB2 Database name not found but I can connect using IBM Data Studio. What happened?

In IBM Data Studio, I can create a connection to a remote IBM DB2 LUW database named DBEMP and browse the schema and data. Here is the steps to create the database connection: From IBM Data Studio, ...
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Application using DB2 not launching due to Win 8

My application uses DB2. It is working fine in Win 7, but not launching in Win 8. Giving error System.Configuration.ConfigurationErrorsException: Failed to find or load the registered .Net ...
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691 views

DB2 Load Failure due to timestampformat

I'm trying to load a file into DB2 database table using DB2 Load. I'm able to load the file, using the following statement from the unix prompt. db2 +p -x load from BOM_Sales_20130326.txt of DEL ...