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 9.7 - Find rows inserted by a specific trigger

We are auditing a table TRANSACTIONS that inserts a row in HISTORY_TRANSACTIONS when specific columns are changed. These inserts happen through a number of triggers defined on TRANSACTIONS table. Is ...
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2k views

db INDEX on ORDER BY FIELD in very simple query does not help - still slow response?

I have very simple query which returns 200K records very slow (20 seconds). SELECT * FROM TABLE ORDER BY ID DESC If I do just SELECT * FROM TABLE it returns quick result. I created INDEX on ...
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2k views

Install db2 express c on Mac OSX

I have posted the question yesterday, then I was able to figure it out by myself. As I haven't found any complete guide, I'm writing down the steps just in case. So the question is: "How do I ...
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321 views

Should indexes automatically be placed into their own bufferpool?

We work with DB2 LUW (specifically we are currently on 9.7 FP4) running on AIX. Per best practices from IBM, they recommend that when you build a table, you place the data, the indexes, and LOBs/LONG ...
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578 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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1k views

What does TBSCAN GENROW mean in Explain Plan?

In a DB2 Explain Plan, what does TBSCAN GENROW (line 5 below) mean? SELECT STATEMENT ( Estimated Costs = 1.811E+03 [timerons] ) 1 RETURN 2 NLJOIN 3 [O] TBSCAN 4 SORT ...
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21 views

How to run db2pd -hadr in batch mode

I am trying to automate some things on DB2 and would like to use a batch file to do this. I create the following batch file test.bat: db2cmd - -w "db2 -tvf test.db2" I then try to do two commands ...
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41 views

Is it more efficient to union from sub-query or combine two outer queries?

I searched for this but couldn't find the response I needed. So my apologies if this has already been asked. I'm asking in regards to DB2 but I suppose this would apply, generally speaking, to just ...
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30 views

Hows to make a DB2 table read-only?

We need to test how an application will fail when the DB2 database cannot be written to. What is the easiest way to make a DB2 table read-only? Is this considered locking? Thanks in advance, Bert
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31 views

Database index on FK with only NULL values

We have in our database an index with table cardinality over 10.000 but full key cardinality only 1. The reason for this that all the values for the column are NULL, hence cardinality 1. Does this ...
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22 views

Create DB2 on networked drive but managing from Windows

I'm relatively new to DB world and DB2 is very new. Below is what I'm trying to achieve: Install DB2 express C and IBM data studio on windows (with Fixed IP) create/share/host DB2 on a ...
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25 views

Named Parameter Markers in DB2 for z/OS

I have a query where I will be using the same value twice for one of the parameters. This query will be run under IBM Data Studio to see the results. Below is a sample query: SELECT * FROM ...
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62 views

Syntax error while creating DB2 Trigger

What is wrong in the below trigger syntax, I am getting this error An unexpected token "INT" was found following " DECLARE NULL_ROW_ID". Expected tokens may include: "END-OF-STATEMENT".. ...
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50 views

Driver properties for db2jcc in Squirrell and MON_GET_CONNECTION table function

I'm trying to set driver properties like: clientAccountingInformation clientApplicationInformation clientProgramId clientProgramName in Squirrell 3.6 (http://squirrel-sql.sourceforge.net/). See ...
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46 views

Extract column definitions from an IXF file of unknown origin

Suppose someone exported the table PROPERTIES using the command: CALL SYSPROC.ADMIN_CMD( 'EXPORT TO /tmp/properties.ixf OF IXF MESSAGES ON SERVER select * from properties' ); Since then the ...
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40 views

Use of SET INTEGRITY for DETACH PARTITION

I have some partitioned tables with DB2 LUW 10 . We have one partition for each data.I am reviewing a DB2 stored procedure that runs daily detaching old data partition and creating a new partition ...
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76 views

DB2 Indexes are taking very large size on disk space

I have huge table in DB with estimated size 7 GB (I saw that using DB2CC and did the action Estimate Size for that Table). In estimate size dialog I noticed that two of my indexes for that table ...
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242 views

DB2 TRUNCATE command - DROP STORAGE option

I performed action TRUNCATE TABLE TABLENAME IMMEDIATE; but I did not used DROP STORAGE option. I read that it is default option if it is not put. It was not so big table regarding table space but I am ...
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181 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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244 views

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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696 views

Can't connect to the DB2 database on localhost, using DBeaver 3.1.1

Solved: I was connecting to the wrong port, according to /etc/services | grep db2 I have a DB2 Express C v.10.5 database running on localhost, but simply I can't connect to it. Translation of the ...
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336 views

How Do I Grant Permissions to Replace a Function?

I am getting the following error message (when trying to enable NOSQL in DB2 10.5, although I don't think that's really the issue): Error code: -551 DB2 SQL Error: SQLCODE=-551, SQLSTATE=42501, ...
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166 views

How can i give SECADM to instance owner in DB2?

i'm using db2 9.7 on linux and created a user "db2fee1i" to be a instance owner. I restored a database, but even being SYSADM i only can connect to database. I need to give DATAACCESS to another user, ...
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225 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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304 views

Select statement for selecting every week's log record

Here is a simplified version of the table in question: +------------------------------------------------------+ | DatabaseName | LogRecordNumber | LogTimestamp | ...
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1k views

DB2 Commands — Different ways of stopping database

I'm hoping to get a more in-depth explanation of the following DB2 commands, which all relate to stopping the database in some way, and how they differ from each other. How do DBAs think about these ...
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78 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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255 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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88 views

Removing apostrophe in result set

create view ENTRP_SERVS.V_IRS_BULK as Select Atr.Ssn_Tx ,Names.First_Na ,Names.Middle_Na ,Names.Last_Na ,Reff.Ref_Cd_Desc_Tx Suffix_Na ,MBR.PRSN_MBRSH_ID, T_PRSN_MBRSH_TAX.FILTER_TYPE_CD From ...
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615 views

DB2 LOAD: Poor performance while loading table with large BLOBs

I need help regarding LOAD-command with BLOBs. I notice very poor performance while loading a table which contains large BLOBs. While tracing the OS, I only have about 15MB/sec I/O-speed. But in ...
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69 views

Equivalent SQL Server's Backup COPY ONLY in DB2

In, DB2 when you have a recovery strategie, you have a Full backup, then some deltas or incrementals in between. They are creating based on the previous full (first delta, or any incre. ...
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269 views

Running queries directly on DB2 databases

Just have a general query, if it is really fine or safe to run long select queries on RDBMS production Databases specifically DB2? If NO, what are the major risks and issues in executing select ...
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105 views

Spatial Loader DB2 giving error while importing shape file

While I am trying to import a shapefile using db2se import_shape file utility, db2se import_shape <dbname> -userId <userid> -pw <password> -fileName ...
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66 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 ...
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4k 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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552 views

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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317 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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345 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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414 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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1k 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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33 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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3k 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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244 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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530 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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7k 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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223 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

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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408 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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902 views

db2 LUW help for an oracle user : create database hangs without any output, but database got created

I am new to db2 but have worked on oracle before. Trying to create a database and it succeeds, but the session where I issued a database creation command hangs. I have installed db2 10.5 on a 64 bit ...
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261 views

DB2 Insert and Deadlocks

My application has 4 different threads doing inserts into the same DB2 table simultaneously. Could this cause a deadlock / lockwait situtation? Theoretically I don't see a problem here; as one ...