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.

learn more… | top users | synonyms (1)

3
votes
1answer
879 views

Dutch characters in DB2 problem

Ok, first of all, I have really limited knowledge about databases. Problem that I have is next: I inserted few rows with data that contains Dutch characters, such as names of different countries. ...
3
votes
3answers
4k views

Transfer data from DB2 to Oracle

I want to transfer data from an old DB2 system to a new Oracle database. How should I go about doing this?
3
votes
2answers
1k views

DB2 error - SQL Statement too long or complex

Getting this error in a DB2 production system: ERROR [HY000] [IBM][System i Access ODBC Driver][DB2 for i5/OS]SQL0101 - SQL statement too long or complex. The statement has a large number of OR ...
3
votes
2answers
680 views

IBM DB2 v9.7 HADR TSA failure on the standby server

I have an environment here where I have 2 servers running DB2. One is the primary and the other one is standby. They replicate with HADR and failover is made automatically by TSA. What's the default ...
3
votes
1answer
445 views

DB2 Express-C 10.1 database move to DB2 Work group Server/Enterprise Edition

I have not done such migration before and I want to know if I am going to face such issues when moving my database (tables,views,table-spaces,functions,procedures,etc.) to other DB2 distribution. If ...
3
votes
2answers
3k views

What specific tests need to be performed under Database migration from DB2 to Oracle?

Currently I am going to be testing (I am a Data Analyst) of a larger migration project where they are planning to migrate from DB2 to Oracle. My question may be little broader; however any ...
3
votes
1answer
48 views

Unable to restore database because it exists, unable to drop because it does not exist

I've seen this mentioned a couple of times but none of the suggested solutions worked for me, so I'm posting a question together with a solution in hope that it helps someone else. During restore of ...
3
votes
1answer
47 views

How to extract the structure out of DB2 (Back up Structure)?

Is there a way in db2 to take a backup of the database structure (Metadata) without actual data? My purpose is to pull structure (tables, views, indexes, triggers, procedures and functions) from an ...
3
votes
1answer
520 views

DB2 CASE statement faster with parentheses around entire WHEN

Trying to optimize slow queries, someone on my team come across this. Having this in our stored proc: CASE WHEN MYCOL BETWEEN @STARTNUM AND @ENDNUM AND RECTYPE = 'RO' THEN 1 ELSE 0 ...
3
votes
2answers
34k views

How to grant all privileges on all tables in a schema to a user in IBM DB2?

At first place, I want to export database from IBM DB2 AIX into IBM DB2 windows. Unfortunately, I can't use BACKUP and RESTORE command because of difference OS issue. So I have to resort to db2move ...
3
votes
1answer
3k views

DB2: Is it good to create the index table space to use 32 KB data page

I found our DB2 server configs all the index into one table space. And it then defines the table space to use 32kb data page. Is this good? How to judge it? Any advice is welcome.
3
votes
1answer
3k views

DB2 9.5 How to get tablespace monitor information?

How can I get information about tablespace in DB2 9.5? I need to review information about if the autoresize option is enabled or disabled.
3
votes
1answer
79 views

Can you control what tags are used in an XML column?

We allow our developers to use XML columns to store data. We want to provide standard names to XML tags. As a DBA, can we prevent the users from adding XML tags that are not predefined?
3
votes
1answer
35 views

DB2: Reorg and RunStats

Is there any frequency at which i should run REORG and RUNSTATS on my master tables? If i have a daily load of around 1,000,000 records into my table would it be suggestible to run a REORG and ...
3
votes
2answers
4k 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 ...
3
votes
2answers
13k 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 ...
3
votes
2answers
2k views

DB2 UPDATE TRIGGER

I am trying to create a trigger in a DB2 database that runs on the update of a column in one table, and then fills in another table with certain values. For example, there is a power unit table with ...
3
votes
2answers
5k views

Parallel inserts cause deadlock on DB2

The scenario is the following: The application attempts to insert into the same table from two parallel threads making 4000 insertions in each thread (separate transaction per thread). It causes the ...
3
votes
1answer
5k views

DROP SCHEMA in db2

How do I drop a schema in db2 if it has got some objects in it? db2 DROP SCHEMA SCHEMA_NAME For some reason I am not able to drop the tables in the schema, so how can I force to drop the ...
3
votes
1answer
691 views

What is object Server?

As I was reading article I came across IBM's site about object Server. What actually is Object Server and what are it's uses? Can this be explained for a beginner?
3
votes
1answer
860 views

Help with DB2 Procedure

I have the following query: CREATE PROCEDURE MYPROC( IN @TABLES VARCHAR(500)) DYNAMIC RESULT SETS 1 LANGUAGE SQL SPECIFIC MYPROC NOT DETERMINISTIC MODIFIES SQL DATA CALLED ON NULL INPUT BEGIN ...
3
votes
1answer
81 views

How do I perform XPath query on a XML column on DB2 for i?

I have an XML column in a table. I would like to retrieve only the first child element from the XML document in each row (i.e. the result of an XPath expression /root/someVal[1]) and return in my ...
3
votes
2answers
2k 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?
3
votes
2answers
5k views

DB2 to require password each time

I am using db2inst1 to connect to a database in DB2 which I have installed on my machine. Therefore, db2inst1 user does not require username/password authentication (borrows them from the OS). I would ...
3
votes
1answer
5k views

DB2 Defining remote database alias

I'm using DB2 9.7.0.3 for AIX. I want to select data from a remote database, also running DB2 9.7.0.3 for AIX, and insert it into the local database I'm connected to. I believe the query for this ...
3
votes
1answer
3k views

Filtering on a virtual column from a UNION ALL with LEFT OUTER join causes a table scan?

I asked this question on SO but havn't got many bites and even a vote to close for being "Off Topic." So, I thought this stack exchange might be better suited. Consider the following SQL... SELECT ...
3
votes
2answers
7k views

How to find out what caused the database(DB2) in a locking state

I know how to check the DB is in a lock state or not, but my question is how to find out which query caused the lock on table /db. IS there any log file getting created if something unexpected ...
3
votes
0answers
82 views

How can I generated a list of all DB2 Objects including Last Modified Date of object on AS400?

I am going through an audit, of an AS400 application. AS400 has a DB2 database, and I need to generate a list of all DB2 Objects/Tables including their last modified date. Can anyone help me? Thanks ...
3
votes
1answer
554 views

How to avoid hardcoding a database link name in a package body

I have a PL/SQL package that copies data from a remote DB2 database using a database link. To keep the package configuration-independent I wrapped the remote table in a view. But a single field in a ...
3
votes
0answers
2k views

DB2 Query Error SQL0204N Even With The Schema Defined

I'm using Python to access tables in DB2 10.1.0 I have a login account named foobar and a schema with the same name. I have a table named users under the schema. When I'm logged in as foobar, I can ...
3
votes
1answer
143 views

DB2 9.7, create or replace tablespace possible?

I am creating my tablespaces in the sql scripts that create the database schema. This causes a problem in continuous integration processes, where consecutive execution of the script is not possible ...
3
votes
1answer
507 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 ...
3
votes
2answers
3k views

Problem installing DB2Express

I installed DB2 Express 10.1 on my Windows 7 (64bit) notebook. Now after the installation finished I cannot connect to the database. During the installation I specified "C:\Daten\db\db2" as the ...
2
votes
4answers
7k 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 ...
2
votes
2answers
3k views

CREATE INDEX for long columns

I am looking for alternative to create index on long column: create table line ( field_key integer not null, value varchar(4000), ... ); create index key_value_idx on line ...
2
votes
2answers
685 views

Generalisation in databases

I am working on a Hospital Management project in DB2. I have one table for staff with a primary key of staff_id. The hospital has to have different staff... e.g doctors,nurses,e.t.c. Is it better to ...
2
votes
2answers
126 views

Not all columns show up on select * on DB2 for IBM i

My client has a table on their IBMi with a foreign key to another table. It's not showing up with a SELECT * FROM lib.table. However, if I specifically mention it in the column list. It does show up. ...
2
votes
4answers
2k 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 ...
2
votes
2answers
1k views

Table orders regarding Nested loop join in DB2

First I would like to cite the existing post Table order in Join Query so the author is saying that the table order really doesn't make things(result, access plan)different. I have doubt on this ...
2
votes
2answers
3k views

DB2 Trigger: only update current row

I've created following trigger : CREATE TRIGGER probeer2 AFTER INSERT ON libtn01leb.kofax_release FOR EACH ROW UPDATE libtn01leb.kofax_release SET RRNR='bleh' This trigger will update EVERY ...
2
votes
3answers
2k views

How do I join two tables on two different instances of DB2?

There are two instances of DB2 running on the same machine. One has a table aliased to the a table in the other one. Is there a way to do this in DB2 or does it have to be done via an external tool? ...
2
votes
1answer
37 views

#Deleted as values when using MS Access to query a db2 database through ODBC

When trying to query certain db2 tables I get #Deleted for all values in the table. But for other tables it works fine. The row count of this query is equal to the row count when using the data ...
2
votes
2answers
542 views

How can I know my database version?

I need to know what is my database version. I'm using DB2 V9.7 on linux 64 bits. I'm connected to a database and i need to know if it is 32 or 64 bits. Can someone help me?
2
votes
1answer
134 views

DB2 - Why new multiple C000000x subfolders are created in Archive Log folder?

After switching to Archive mode (from Circular mode to keeping archive logs on the disk) we had C0000000 folder where archive logs were copied. Now I noticed that folders C0000001, C0000002, C0000003 ...
2
votes
2answers
8k views

Join 3 tables and return only distinct values for max datetime

I've been trying to do this the whole 2 weeks but seems like to no avail. 3 tables involved here. but am expecting the result would be distinct case no. for the same date & user. otherwise, it ...
2
votes
3answers
2k 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 ...
2
votes
4answers
20k views

Query to list all tables in a schema

I am using Rational Application Developer to run querys on a database. We are unable to locate anyone who has a list of the tables on the schema and so far the queries we have found to get a list of ...
2
votes
1answer
614 views

How to restore from a backup of a very old version of DB2 (version 6.1 backup)?

I am helping a client with some legacy application that is still running DB2 6.1 on Windows 2000! I am helping them migrate to newer software/hardware infrastructure. I have a backup of the DB2 6.1 ...
2
votes
1answer
2k views

DB2 equivalent to T-SQL's REPLICATE?

In T-SQL there is a method, REPLICATE(char,N), which will make a string with N values of a certain character. This is very helpful when querying into JDE. Does anyone know if there is a DB2 ...
2
votes
2answers
2k views

altering a db2 table with huge amount of data

I have a table in DB2 which is having 99 columns and 900,000 records of data. I want to alter the table with one extra column as below: ALTER TABLE MYSCHEMA.PRODUCT ADD UPDATE_DT DATE However, the ...