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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“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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23 views

System parameter in catalog tcpip node

What is the purpose of the "system" parameter when cataloging tcpip nodes? >>-CATALOG--+-------+--+-TCPIP NODE--+--nodename----------------> '-ADMIN-' +-TCPIP4 NODE-+ ...
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90 views

Way to ensure just one connection to a DB2 database

Let's suppose a database with a bad security design, say everyone access to the database with a user with DBADM or SYSADM authority, and also, there could be only username for everyone (i.e. ...
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597 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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413 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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102 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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381 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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155 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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119 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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105 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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2k 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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8k 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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802 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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245 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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281 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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777 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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400 views

How to call Oracle's stored procedure from DB2 stored procedure?

I am new to writing stored procedures and wondering if it's possible to call a Oralce' stored procedure from DB2 stored procedure. I have a scenario where a trigger on a DB2 table will invoke a DB2 ...
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3k views

A table with a foreign-key, referencing the tables own primary key

I was looking at the database sample that is provided by the DB2 server installaion. This database is the one created when running db2samle.exe from the "bin" folder. I noticed that the table "ACT" ...
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4k views

How to run DB Admin Tool (GUI) in IBM DB2 Express-C?

I had installed IBM DB2 Express-C in Windows but I can't find any shortcut to launch the Administration Tools (GUI). When installing, I had selected "Administration Tool" option (I had checked twice ...
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1k views

db2 tables altered, reorg

When I alter a table in DB, I need to reorg it: Call Sysproc.admin_cmd ('reorg Table myTable'); if I had done many modifications, how can I know which tables need a reorg?
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649 views

Sending a mail using DB2's Proceude UTL_MAIL

I'm trying to send mail from DB2 using the procedure UTL_MAIL. I'm using the DB2 Express Edition 10.1. First I was getting the error of SMTP Server. After using the below command, update admin cfg ...
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138 views

Online backups with VENDOR library: what should be set for ACTIVE LOG PATH?

My customer is using Veritas NetBackup so we use its library file in the LOGARCHMETH1 parameter for the VENDOR option. That is for archive logging path. What path should be set for ACTIVE LOG PATH ...
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146 views

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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1k 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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771 views

IBM DB2 9.7, possible to temporarily disable transaction logs?

I want to clean the whole database, so I am dropping all tables and DB objects in two FOR loops, within one transaction. This makes the transaction logs become full. I could increase the transaction ...
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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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265 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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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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22 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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63 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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78 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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44 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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51 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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88 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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130 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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55 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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242 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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119 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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55 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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324 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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49 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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196 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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78 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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64 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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3k 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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365 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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170 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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187 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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241 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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739 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 ...