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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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 ...
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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.
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eliminate extra spaces in VARCHAR columns

In a table, I have an ID column defined as BIGINT(8) and one VOUCHER column that is VARCHAR(100). No matter the actual length of the value in that field, the SQL always returns a full length value, ...
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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.
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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?
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How to use a variable date when running a db2 command in a shell script?

I need to use a date variable in a select, like bellow, but I'm getting this error: Expected tokens may include: "". SQLSTATE=42601 How can use these variables in a shell script? ...
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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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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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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 ...
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2answers
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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 ...
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1answer
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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 ...
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572 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?
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772 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 ...
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2answers
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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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4k 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 ...
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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 ...
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1answer
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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 ...
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DB2 - what happens when SQL archive log file reches its maximum value (S9999999.LOG)

we have DB2 in archive mode. archive log files are created and deleted from the disk. What will happen when archive log file reaches its maximum value for the name (S9999999.LOG) will it start to ...
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1answer
2k views

Split comma separated entries to rows

I have a Table like this: | ID | OtherID | Data +--------+-----------+--------------------------- | 5059 | 73831 | 5103,5107 | 5059 | 73941 | 5103,5104,5107 | 5059 | 73974 | ...
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377 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 ...
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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 ...
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2answers
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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 ...
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2answers
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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 ...
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4answers
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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
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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 ...
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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 ...
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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
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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 ...
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4answers
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What is the purpose of having a table NOT LOGGED INITIALLY

I came across this recently. When defining a table in DB2 LUW (at least 9.5 or higher), you can define it as NOT LOGGED INITIALLY. Example from the book I read: CREATE TABLE products ( productID ...
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3answers
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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? ...
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2answers
83 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?
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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 ...
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2answers
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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 ...
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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 ...
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1answer
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query to find closest lesser date

I have a table with rates. each rate has an effective starting date. (the ending date of any rate is implied by the existence of a record with a newer effective starting date.) I also have a table ...
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2answers
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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 ...
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4answers
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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 ...
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1answer
1k 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 ...
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2answers
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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 ...
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1answer
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delete records in one table based on multiple column values in second table

I need to insert and delete records in table 1 based on the data in multiple columns in table 2 Example: Table1 and Table2 have identical columns = address, city, state, zip Table1 is the master ...
2
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1answer
362 views

DB2 SUM / INNER JOIN question

I have a query that is the following: SELECT CMSTKY AS Customer, CMNAME AS BusinessName, WKMDL# As Model WKSLD# AS Sales FROM GPCMP INNER JOIN GPCM1P ON GPCMP.CMSTKY = ...
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2answers
950 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
4k views

How to loop through AS400 table with cursor

I have a AS400 table that contains multiple rows per person. Each row contains data concerning a transaction by the person including points assigned to each transaction. I read through all rows for ...
2
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1answer
511 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 ...
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1answer
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How to restore IBM DB2 database from AIX to Windows?

I had made backup from remote IBM DB2 server in AIX using this command: ./db2 backup database DBEMP to /home/dbemp/backup Then I grab the backup file using FTP Client from my Windows. I run this ...
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1answer
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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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1answer
877 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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2answers
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Do I need to RUNSTATS after a REORG in DB2?

The REORG documentation says: BUILD Builds indexes. Updates index statistics. But I have always heard REORG/RUNSTATS as if they should be paired. Can anyone verify that "Updates index ...
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1answer
880 views

How to choose working database in DB2?

In SQL server I can use the USE statement to switch between working databases. Is there a similar command for DB2?
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In DB2, how can I disable NLJOIN?

I want to indicate to the optimizer, via SET or optimization profiles, that NLJOIN shouldn't be used at all when optimizing a query. I've been looking for this for a while without any success. I ...