SELECT COUNT ( DISTINCT cust_code ) AS "Number of employees"
FROM orders;

checking above query at
https://www.w3resource.com/sql/aggregate-functions/count-with-distinct.php

how to display those unique values of  cust_code rather than just count
please advise

Hi ALl

I am facing the below error message while connecting to DB from one DB to another.

SQL30081N  A communication error has been detected. Communication protocol
being used: "TCP/IP".  Communication API being used: "SOCKETS".  Location
where the error was detected: "XX.XX.XX.XX".  Communication function detecting
the error: "connect".  Protocol specific error code(s): "110", "*", "*".
SQLSTATE=08001

It has happening after the rebooting the OS.
What could be the reason ?

Pls give your inputs.

I use IBM Data Studio for most DB2 query work. The following query, attempting to pick 'dynamic' string values from a CLOB, shows no errors in the
Studo query window but when run says: THE DATA TYPE, LENGTH, OR VALUE OF ARGUMENT 1 OF SUBSTR IS INVALID. SQLCODE=-171, SQLSTATE=42815, DRIVER=3.67.28.
Is it even possible to explore a CLOB column for strings contained in other table columns dynamically ?

SELECT DISTINCT A.HP_EXR_ID
FROM db2prod.PRV_BPDE_PRV_MHG A
    ,db2prod.T401ALTC B
    ,db2prod.T401APFN C
    ,db2prod.t401ahpa D
WHERE A.HP_ID = B.HP_ID
and   A.HP_ID = C.HP_ID
and   A.HP_ID = D.HP_ID
and   substr(a.MHG_BPDE_DTA_XML_TX,1,3000) like '%c.pfn_prv_lst_name%'
and   substr(a.MHG_BPDE_DTA_XML_TX,1,3000) like '%substr(c.pfn_prv_fst_name,1,4)%'
and   substr(a.MHG_BPDE_DTA_XML_TX,1,3000) like '%substr(d.HP_ADDR_STR_ADDR,1,8)%'
and   substr(a.MHG_BPDE_DTA_XML_TX,1,3000) like '%substr(d.mn_zip_addr,1,3)%'
and   substr(a.MHG_BPDE_DTA_XML_TX,1,3000) like '%d.pol_rgn_code)%'
AND B.HP_ALRT_TYP_CD IN ('G1')
AND B.HP_ALRT_TYP_STA_CD = 'A'
AND B.ANW_TSP_GRP =
(SELECT MAX(BB.ANW_TSP_GRP)
FROM db2prod.T401ALTC BB
WHERE BB.HP_ID = B.HP_ID
AND BB.HP_ALRT_TYP_CD = B.HP_ALRT_TYP_CD);

db2 convert time to string
Hi I want to convert a time files (NOT Date, NOR timestamp) to a string representation with the format: 'HH24MISS'

I've tried:
1. TO_CHAR(mytime, 'HH24MISS')
2. VARCHAR_FORMAT(mytime, 'HH24MISS')
3. SUBSTR(LPAD(mytime, 6, '0'), 1, 2) ...

None of it worked
Many thanks for your support

DB2 10.5 on Windows

So I am trying to teach myself how to install DB2 and restore a dev database.  So I install DB2 10.5 on windows without issue.  I then run the sample database setup and I can connect to it no problem.

When I copy over the DEV database backup and try to restore it, problem.  I get this.

C:\Windows\system32>db2 restore database DEV FROM X:\dbbackups
SQL1092N  The requested command or operation failed because the user ID does
not have the authority to perform the requested command or operation.  User
ID: "xxx".  SQLSTATE=00000

Now XXX is in the Admin group on the windows server and it is running the DB2 instance service.  It should have full control of the server.  I looked at the sys roles (sysmon, sysadm,sysctrl, and sysmaint group names and set them all to Administrators which is the admin group name on the windows server.  I just don't get it.  What am I missing?

FRUSTRATED IN STL

Jim

I wrote the below query against a DB2 database.
It returns good results, but is incredibly slow (90 seconds).
What can I do to make the query more efficient?

SELECT deliver_by_end XVALUE, COUNT(*) YVALUE
FROM TLORDER
WHERE DELIVER_BY_END BETWEEN TIMESTAMP_ISO(CURRENT DATE) AND TIMESTAMP_ISO(CURRENT DATE + 3 DAYS)
GROUP BY Deliver_by_end ORDER BY 1

Select all Open in new window

Hi All

I am facing the below Error message in my Application logs.

 Invalid operation: Connection is closed. ERRORCODE=-4470, SQLSTATE=08003

Can any one give inputs to solve this.

Does increasing LOGFILSZ help to solve this.


Application is not able to connect to DB.

Hi All

I am facing problem while inserting XML data into DBCLOB column in my Table.

App is able to process 2 MB XML file, and it is not processing any file more than 2 MB.

We are using Db2 9.7

Any inputs to resolve this issue.

RPGLE programmer using IBMi v7r1, need to insert/update data on a MS SQL database easily. I'm familiar reading and processing ifs file using bnddir('QC2LE') in my RPGLE programs.
Surely there's a way to push records to an MS SQL server?

DB2 10.5 on Windows

I want to restore my test database on a windows server to test2 database on the same server but I am a bit confused by the RESTORE WITH REDIRECT method.

So the test database is on the D: drive and I want to put the test2 database on the Z: drive.  I ran the RESTORE ... REDIRECT GENERATE SCRIPT so I have a script to work with.  The script has all the tablespaces for the test db in it but it is all commented out.  Like this.

-- *****************************************************************************
-- ** Tablespace name                                  = SYSCATSPACE
-- **   Tablespace ID                                      = 0
-- **   Tablespace Type                                 = Database managed space                      
-- **   Tablespace Content Type                  = All permanent data. Regular table space.    
-- **   Tablespace Page size (bytes)            = 4096
-- **   Tablespace Extent size (pages)        = 4
-- **   Using automatic storage                  = Yes    
-- **   Storage group ID                                = 0
-- **   Source storage group ID                   = -1
-- **   Data tag                                                = None
-- **   Auto-resize enabled                           = Yes    
-- **   Total number of pages                      = 501844
-- **   Number of usable pages                   = 501840
-- **   High water mark (pages)                   = 113376
-- …

I'm not trained in AS400.
We don't use tapes anymore but backup to a remote Data Domain.

AS400's audit journal receiver of our developmt AS400 is taking too much space in our current weekly backups with retention of 6 years.

a) Without compromising on the 6 years' retention, how can we reduce the space taken by the backups in the Data Domain?

b) I suppose weekly backup is taken because the receiver journal is rotated weekly: is there such thing as incremental or
    differential backup in AS400 for audit journals?

c) can we do it monthly with differential backups or what other strategy can we do it?  

d) can it be compressed?   the Data Domain solution we used is from EMC.  Anything on deduplication??

We are on OS400 V7 R2  running DB2