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 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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590 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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98 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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51 views

What does this TRIGGER do? [closed]

I have this trigger in DB2 that I need to convert to ORACLE, but I don't know how it works in DB2 so i can translate it to a ORACLE one, I think it doesn't do anything. CREATE TRIGGER ERRLOG_TRIGGER ...
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474 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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Database Configuration In DB2 and Oracle

what is the equivalent in Oracle for these field (taken from DB2)? Interval for checking deadlock (ms) (DLCHKTIME) Lock timeout (sec) (LOCKTIMEOUT) Thanks,
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2k 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 ...
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2answers
284 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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354 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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294 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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308 views

Tablespace utilization in db2 (percentage of tablespaces)

how much free space is there…in each tablespace, How to calculate… i need tablespace utilization in MB's and...how can i get tablespace percentage also...used and usable
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187 views

I am not able to create this DB2 SP. What is the issue with it? Not getting it [closed]

I am not able to create this DB2 SP. What is the issue with it? I get the following error: Category Timestamp Duration Message Line Position Error 18/12/2013 09:43:46 ...
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259 views

IBM DB2 Command line Window - Administrator disappears on windows server 2008 r2?

I have installed IBM DB2 version 10 on windows server 2008 r2 machine. However i am unable to open it's command line window. For example: Whenever i try to open Command Windows - Administrator it ...
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1answer
44 views

DB2 MQT not rewriting role playing columns

If in a MQT, if I have 2 referential constraints to the same table (role playing) , usage of one of the constraints doesnt allow the query to be optimized Example FACT_SALES DIM_BILL_TO_ID --> ...
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1answer
189 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
108 views

db2 connecting to a db via alias and storing user name and password

I created a TCP node and I catalogued a db into it. The catalogued db needs user name and password to be accessed. Is there anyway I can store username and password in the cataologue (or other way)? I ...
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2answers
328 views

DB2: Cannot use RUNSTATS/REORG in trigger definitions?

CREATE TRIGGER MY_TRIG AFTER INSERT ON MY_TBL FOR EACH ROW BEGIN IF SOMECONDITION THEN DELETE FROM MY_TBL WHERE PK IN (SELECT PK FROM MY_TBL WHERE SOMEOTHERCONDITION FETCH ...
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0answers
198 views

db2 cannot execute C-function for Reason code 4

I've implemented a function as C code for db2. The library name is called libmyfoo.so and is stored id /usr/local/lib as declared in the External declaration. When I try to execute this function I get ...
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100 views

db2 executing command crash shell

I have a simple ksh script that executes db2 queries, such as #!/bin/ksh #some initialization #step1,2,3 set -e db2 -x "select * from table a " #step4 The main issue seems to be caused by the db2 ...
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139 views

query to check all SCD tables that have data for specific date

It's easy to find all SCD tables through select * from syscat.TABLES t join syscat.COLUMNS s on t.tabname = s.tabname where s.COLNAME = 'EFFECTIVE_DTE' and t.type='T' ...
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75 views

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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330 views

How to convert DB2 9.5 to DB2 10.5 online (Linux)

How to convert DB2 9.5 to DB2 10.5 online (Linux) ? This can be done with IBM InfoSphere Data Replication? Has anyone done this or have any idea how to do?
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3answers
149 views

Best practice to query administrative views for instance level elements

I want to query a monitor element at instance level (for example the memory used for the instance) via a query like this: SELECT MEMBER, MAX_MEMBER_MEM, CURRENT_MEMBER_MEM, PEAK_MEMBER_MEM FROM ...
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2answers
1k views

How to unlock a table in IBM DB2 Data Studio 3.1?

I know the process to unlock a table through IBM DB2 Control Center using activity monitor, but I am completely new to IBM DB2 Data Studio 3.1 Administrative Tool. Whenever i am right clicking on that ...
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3k views

INSERT INTO with SELECT subquery db2 9.5

I have the following query that takes 4 seconds to execute: SELECT TX.* FROM TABLE_X TX INNER JOIN TABLE_Y TY ON TY.VALUE_ID = VALUE_ID_IN AND TY.PROD_ID = TX.PROD_ID WHERE (TX.PLACE_ID1 ...
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1answer
130 views

command line tool on linux to convert oracle sql into db2 sql

IBM has a GUI based tool to convert Oracle SQL into DB2 SQL. Is there a command line tool (preferably on linux) that does the same thing? The reason being, we want to do this work as part of a ...
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2k views

Why cannot I call a table function in iSeries DB2 that I just created?

Using iSeries Navigator 'Run an sql script' window I created a new table function. When I go to the Functions branch under the schema where it was created, I see the function among the other few. But ...
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543 views

How to transfer database from SQL Server to DB2?

I have a database file on disk called project.mdf. I want to import this into IBM DB2. How do I import this database?
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3answers
1k views

Not getting a result set in SSRS 2008r2 from an iSeries DB2 SQL stored procedure

After reading 'Defining an SQL procedure' section of DB2 UDB for iSeries SQL Programming Concepts V5R2 and 'Returning result sets from stored procedures' section of i5/OS Information Center, Version 5 ...
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104 views

creating 2 database at the same time in db2

Do you know whether it is safe to have in one shell user db2inst1 creating a database A and having another shell the same user creating at the same time database B? create database A # shell 1 ...
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1answer
138 views

How efficiently does iSeries DB2 use index with WHERE <>?

MS SQL dev here, this is my first attempt to optimize a DB2 query on iSeries. I was asked to help improve a huge query which consists entirely of dozens of joined subselects. Some of those subselects ...
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92 views

db2-AIX multiple admin accounts

I'd need to give (aside the instance owner and the administration server) the user rights as database administrator to a group of people already created on the AIX server. Is it possible? what will ...
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2answers
647 views

When is it appropriate database design to use a separate schema?

I am developing a database which has data sourced from many different applications. In my first pass at design, I placed the staging tables each in a schema named for their source application. As ...
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1answer
1k views

Override/kill when Code 3/SQLSTATE=57016 Occurs

I have encountered issues a few times when a process of mine performs a bulk load to a temp table we use for pre-processing purposes. The Bulk load fails for one reason or another (this we are looking ...
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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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1k views

Is there a way to determine automatic storage table spaces?

First off, we are on both Windows and AIX and are using DB2 ESE 9.7 FP 4. I am trying to determine dynamically whether or not table spaces are set up via automatic storage or not (so we can ...
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7k views

DB2: The transaction log for the database is full, But there is no 'First active log file'

First, I wish to say that I have very little experience with DB2. However, I've been tasked with tracking down the problem and solution to this problem. This is a DB2 database, and our testers are ...
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1answer
118 views

Transaction(s) still alive: How do I find the cause?

I can tell that something is hogging the transaction log on the DB2 for one of our Websphere Commerce installations. Basically I have a burst of transaction log files that are timestamped 5 days ago. ...
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741 views

Cannot install DB2 Express-C 10.1 on Mac OS X 10.7.5

I'm having troubles seting up DB2 Express-C 10.1 on my Mac OS X (v10.7.5). My initial install attempt failed, but then I found ...
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1answer
206 views

db2ckbkp - How to determine what tablespaces are temp-tablespace

I am writing a script to restore databases from backup. The script should need as little input as possible to fulfill this task (in an efficient way). The restore command takes the parallelism ...
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2k 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
6k 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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278 views

db2 SQL0930N error on linux - not enough space to process this statement

This is another newbie question on db2, related to space. How to I start diagnosing and then solving what the problem is so that users can connect to this database? This error is displayed when both ...
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1answer
1k views

SQL1641N error on linux while running db2start using db2 express c on linux (LUW) but the file system is not mounted using nosuid

I am trying to install and start db2 on my linux machine using the following script: #!/usr/bin/env bash MKDIR=/bin/mkdir RM=/bin/rm TAR=/bin/tar ...
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208 views

Error While restoring DB2 db from AIX to AIX server?

I am required to migrate 1 database One AIX server to another AIX server. To achieve, I took backup from 1 machine and followed below steps 1st Command I tried is as following. db2 restore db ...
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634 views

error when trying to connect to remote db2 luw database on linux

I have a db2 client on my local linux machine: alok@hostname:~$ uname -a Linux hostname 3.2.0-53-generic #81-Ubuntu SMP Thu Aug 22 21:01:03 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux alok@hostname:~$ ...
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194 views

DB2 10.1 Client throws SQL0552N running a script

I am trying to run a sql script on a remote database using DB2 10.1 on AIX 6.1. I have granted my admin user (Adm101) on the database server SECADM. But when i run my script on the remote server with ...
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2answers
711 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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4answers
521 views

Is there any rule of thumb to optimize sql queries like this

this is my first question here. Although I've been helped out from this forum over a hundred times. I was having difficulties in optimizing sql query. It takes hours to execute. Record set is also ...
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2answers
748 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 ...