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Questions tagged [db2]

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 - how to call a stored procedure that returns a result set in another user defined table function

I have a db2 stored procedure that takes in some parameters, gets some data from somewhere and then returns a result set through a cursor. Now I want to write a table function in db2, that will call ...
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2answers
23 views

What's default path for “db2move export” command's output

What's default path for "db2move export" command's output in Linux RedHat 7.2 and how to change it to specific folder?
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1answer
30 views

DB2 start tuning needs privilege

When I run "start tuning" by db2 data studio it gives me the below message. This still happens when I run it under user "db2inst", the default user which I configured when I installed db2 on RedHat 7....
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36 views

How can I create rows without an underlying table in IBM DB2 SQL?

In T-SQL, I can execute the following: SELECT * FROM (SELECT 1 AS n UNION ALL SELECT 2 AS n) AS t; In IBM DB2 SQL, this fails with: [IBM][System i Access ODBC Driver][DB2 for i5/OS]...
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2answers
40 views

Multiple queries in merge into statement

I have a scenario where i want to insert record if it doesn't exist in DB2. If it already exists update is_active column to 0 of the existing row and insert the new row with is_active as 1. I cannot ...
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1answer
32 views

Migrated data with Special Characters Counted as 2 Characters in DB2 Linux

We are currently migrating data from DB2 10.1 AIX to DB2 11.1 Linux. Since we are using some features like versioning/history tables and rowchangetimestamps, db2move is not an option for some tables. ...
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1answer
31 views

Is the index created as soon as data is inserted into a table? [closed]

For example I have a table and I created an index on ID column which generates numbers every time I insert a row. If I only insert 5 rows does index tree start to be created or is there a threshold of ...
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1answer
44 views

DB2: Left Join Over-ridden by Where clause?

I have a query that uses a left join. There are some instances where no matching records will be present in the joined table but I still want all the records from table A that match to be returned. ...
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1answer
31 views

determine page size for index

I'm in the process of migrating a set of databases from code set ISO8859-1 to UTF-8, STRING_UNITS=CODEUNITS32. I suspect that quite a few indexes will no longer fit in there current tablespace page ...
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1answer
27 views

DB2 reporting incorrect filesystem full error? [closed]

DB2 V10.5, RHEL 7.5 We had an issue when DB2 was stuck not being able to write log files to disk because of disk full error just that there was more than enough free disk space on the filesystem ...
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2answers
39 views

Monitor delete statements on a specific table on DB2 LUW

Background User is claiming that records are deleted from a specific table, but nobody knows why. They are not sure if it's an application error or done by a user. Question Is it possible to ...
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2answers
35 views

DB2 multiple rows with the same value

This is my first time posting in stackexchange, and I hope I did my due diligence for this question. I'm working on a problem that I just can't seem to wrap my head around. Consider this scenario of a ...
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0answers
36 views

Counting up date - DB2/SQL

A table is given with the columns customer, entry_date, exit_date. I need a query that shows me each customer and counts up the entry_date in 10 day intervals, but only up to the exit_date. The ...
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42 views

Is it possible to implement automation for Oracle and DB2 with Jenkins and or Ansible?

I'm curious if anyone has successfully used Jenkins and/or Ansible for automating routine tasks for Oracle and DB2 databases. From what I've looked up online options seem very limited. So far ...
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2answers
30 views

My application uses set schema and unqualified tables and I get confusing numbers from snapdyn_sql

More of a finding, than a question, I'll add an answer in a minute. The other day I stumbled upon an application that used several tables with the same name, but in different schemas. Example: ...
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1answer
26 views

Using a DB2 merge with conditionals for matches?

Within a PHP script I'm running a working merge but I need to add date conditionals to it, and my updates cause it to no longer work. The logic I'm looking for is this: If there's a match AND the ...
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1answer
40 views

Root node creation in db2 xml

i am able to create the xml node in db2 but all the node creation i need under root node. below code i have written as: CREATE FUNCTION abc.sample(v_pf_wkstn_oid_sh smallint, ...
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1answer
62 views

SQL Server - Query Over Linked Server to IBM DB2 throws an error

We have a partner that uses a IBM DB2 iAccess database, which we connect to using a linked server on our SQL Server. It's been working great for a long time, but over the weekend they upgraded their ...
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1answer
73 views

How to Restrict INSERT operations on table for DB2?

I have a table OAUTH20_TOKEN_CACHE for which I have restricted INSERT operations by running below command. db2 REVOKE INSERT ON HVD121.OAUTH20_TOKEN_CACHE FROM USER HVD121 This could be seen ...
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1answer
29 views

OS killed some of databse demons

I have 2 HP servers with CntOS 6 as OS and DB2 10.5 as Database. there 2 servers are HADR. standby server suddenly rebooted and when i checked log it said that OS had killed 4 db2 demons. IBM....
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0answers
47 views

Can we prevent creation of directory NODE0000 during db2 rollforward db <db_name> end of logs with overflow log path option?

I am using command rollforward db ABCD to end of logs overflow log path ('/db2backup/logs') to apply DB2 archived logs to my staging database. My staging database is in rollforward pending state. ...
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2answers
117 views

DB2 Join with case when statement or union [closed]

How can I use a case statement in a join? Given: 3 Tables Dealer DEALER_NO CUST_ID 001 100 002 200 003 300 Table: Customer CUSTOMER_NO NAME CUSTOMER_MAIL 100 JOHN ...
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1answer
154 views

Select subquery CHECK constraint DB2

I have 2 tables: TVSHOW and ACTOR. I want to reject records if the inserted actor in TVSHOW does not exist in the ACTOR table using DB2. db2 "ALTER TABLE TVSHOW ADD CONSTRAINT check_actor CHECK (...
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1answer
29 views

IBM DB2 Timetravel logging based on some criteria

I have been searching for the condition, where, lets say when we enable time travel to a certain table in DB2 , but don't want to capture all the updates done, but only the updates that's done by ...
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1answer
32 views

History Question: DB2 Nomenclature

I realize this is a little random, but DB2 (circa V8) had a feature to define tables from the CREATE VIEW syntax. Basically, the view was saved to disk to save the cost of recreating the dataset each ...
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1answer
79 views

Data Migration: Unload/load of GENERATED ALWAYS TIMESTAMP

While migrating data from one Db2 database to another we need to retain the ROW CHANGE TIMESTAMP of the migrating data in the target table CFFOLIO.FOLIO We have a ROW CHANGE TIMESTAMP attribute in ...
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1answer
91 views

Cannot drop primary key or add primary key

This db2 query: alter table mylib.mytable add primary key(field1, field2, field3) returns [SQL0624] Table MYTABLE in MYLIB already has a primary key'. However alter table mylib.mytable drop ...
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1answer
24 views

DB2 Workfile scan

We just migrate from LUW to zos and we're finding that in z/os the accesspath explains show new node named WFSCAN (Workfile scan) and this rises when there is a join, group by or any kind of sort. ...
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0answers
36 views

Db2 and java11?

Any rumors on when Db2 (LUW) will officially support Java 11? As of now, the officially supported version is 8: https://www.ibm.com/support/knowledgecenter/en/SSEPGG_11.1.0/com.ibm.db2.luw.qb.server....
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2answers
52 views

DB2 huge IREF and lots of scans

I received a task from one of my colleagues to check why he always receives high CPU load alerts. I don't have too much experience with databases and I need some clarifications. I created a script to ...
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1answer
109 views

DB2 rollforward fails

I get the following error when I try to do a point in time recovery [inst20@localhost ~]$ db2 rollforward database sample2 to 2018-09-01-15.16.00 and stop SQL4970N Rollforward recovery stopped ...
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1answer
226 views

WCS8 Solr Preprocess failed : Error SQLCODE=-601, SQLSTATE=42710, SQLERRMC=WCSSTGAP.XI_CATENTRY_PRICE_0

Our Solr Pro-process is failing with below error: [2018/08/28 14:31:36:104 CDT] 00000001 W com.ibm.commerce.foundation.dataimport.preprocess.AbstractDataPreProcessor:createDBTable(Connection, ...
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1answer
52 views

DB2 10.5 stored Procedure question

I'm having an issue with a stored procedure in DB2 LUW 10.5 using Data Studio 4.1.3 when trying to call more then one statement at a time. I've narrowed the problem down to the way semi-colon's (;) ...
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1answer
137 views

Db2 LDAP security plugin error

I'm playing around with the LDAP security plugin. I noticed that after a certain amount of grants I get an error that the ldap server can't be reached: SQL30082N Security processing failed with ...
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3answers
347 views

Cloning a Db2 database within a single instance

I need to create an exact copy of a Db2 database (V11.1+) on the same server within the same instance. (This is a development server that does not run production databases.) This is how I do it now. ...
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1answer
78 views

IBM DB2 Data Studio Web Console Installer [closed]

I would really like to test the Web Console for Data Studio to see if it will do what we need. However, I absolutely cannot find an installer/download for it. Can anyone help?
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1answer
1k views

Insert into DB2 table a result from temp table

Is there a way to insert a temp table results to DB2 table, for example: WITH TEMP1 AS ( SELECT CUSTOMER_ID FROM T_CUSTOMER WHERE CUSTOMER_ID BETWEEN 100 TO 300 ), TEMP2 AS ( SELECT CUTOMER_ID, ...
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1answer
278 views

DB2: Why does translate function also replace spaces?

I would like to remove control characters (HEX \x00 until \x7F) from a DB2 data base field. For this I tried to apply the following translate-function: TRANSLATE(field, 'X', x'...
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1answer
33 views

DB2 GLOBAL VARIABLES Refresh for datapool managed sessionis

I've recently discovered the feature of defining global variables for DB2. I wanted to utilize it. My use case is to create a variable containing the value for Previous Banking day. CREATE VARIABLE ...
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1answer
534 views

DB2 Tablespace in state Restore pending

I have the problem that in my DB2 database (SLES, Db2 v10.5) my User Temp Tablespaces are all in state Restore pending, Storage must be defined, Storage may be defined. When I set off the following ...
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2answers
948 views

Check Java Driver version in clients from Db2 server

I have a Db2 database that is being used by many applications in different servers. I want to check from the Db2 server if the Java driver used in the different client applications is up-to-date. Is ...
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1answer
68 views

What is the purpose of the “territory” configuration parameter?

This is the command that I use to create a new Db2 database in my project: db2 create db <DATABASE_NAME> using codeset 1251 territory ru Unfortunately, there is no documentation left and I ...
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0answers
59 views

external authentication of database users in Db2

For a future project, I am looking into authenticating Db2 database users via LDAP and PAM. However, it seems that LDAP server is deprecated in RedHat: https://access.redhat.com/documentation/en-us/...
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1answer
106 views

ibm_db on HADR primary database?

Yesterday I discovered a peculiar thing, it looks like a bug but I'll post it here in case someone seen it before. Testscript: #!/usr/bin/python import sys import getopt import re import os import ...
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1answer
55 views

Finding rows that are not duplicate

I have two DB2 tables. Table 1, called EmployeeFile EmployeeFile has the following columns: EMP_ID, FNAME, LNAME, DOB The data looks like this: EMP_ID, FNAME, LNAME, DOB - GB2342, John, Smith,...
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1answer
1k views

How to avoid SQLCODE=-968, SQLSTATE=57011 “The file system is full” error with merge statement [closed]

When doing the following merge (tempchoices is a temporary table created with DECLARE GLOBAL TEMPORARY TABLE tempchoices LIKE CHOICES NOT LOGGED IN importtemp ON COMMIT PRESERVE ROWS) all my diskspace ...
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2answers
243 views

DB2 on Windows: Fix encoding in db2cmd and for JDBC

I'm running a DB2 v10.5 FP 7 on a Windows Server 2013 and there is a problem with the encoding setup: The windows is set to use German(Switzerland) as region setting and input language. chcp: Active ...
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1answer
31 views

Can scripting be done on DB2 Connect instance?

I need to get the number of connections passing through connect server for 1 week. Can we write a script to get the details? Can we only pull the data manually? Is there any way to script it? I am ...
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0answers
52 views

Database Behavior while executing UPDATE and INSERTs on the same table

My gear: Pentaho BI Server 8.0 AS400 V7 My scenario: I have two processes that sometimes run at same time in the same table. This table has about 600M rows, so, an update can take long time to ...
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1answer
249 views

python ibm_db driver and decimal values?

It appears as if decimal values are treated as strings by ibm_db. Small example: Python 2.7.14 (default, Mar 14 2018, 13:36:31) [GCC 7.3.1 20180303 (Red Hat 7.3.1-5)] on linux2 ]$ cat aa.py #!/...