What is compress? With example pls explain?What is use of compress? -...
Here is really a good article on compress. It is an old article but will answer your questions.http://www.teradataforum.com/l020829a.htm
View ArticleSQL Syntax - response (2) by AsherShah
yes, I tired but it won't work because this view can not have the hard coded WHERE clause as this will be passed by user. Based on your syntax view should be like code below but this is not working for...
View ArticleFailure 7453 Interval field overflow - response (4) by Jessy Mahesh Kothapalli
Hi Diter, Please see the below mentioned issue, we are using Teradata13.10 SELECT ( (TIMESTAMP '2011-01-17 21:00:00.000000' - TIMESTAMP'2011-01-10 23:00:00.000000') MINUTE(4)) -- 9960 SELECT (...
View ArticleLocation of SQL History in Studio - response (4) by mahesh
Thanks Ramesh. I tried with 1024 but it failed with a different error now. here is what I am trying to do, tell me I am doing anything wrong. I have a 64 bit Studio install on my Windows 7 PC and I am...
View ArticleAlgorithmic compression in DBQL History tables - forum topic by TSchmolzi
I am considering the impementation of algorithmic compression within our 13.10 system's DBQL History tables. We have quite a long retention requirement for this data and the daily maintenance and...
View ArticleCompatibility: TD12 - Datastage 8.7 - response (2) by knowledge
I reply at myself: Teradata side, the versions of Datastage 8.0.1/8.5/8.10 (InfoSphere Information Server) are declared compatible with Teradata V12 but not the version 8.7. I hope this will help some...
View ArticleSQL Syntax - response (3) by dnoeth
You probably need to a PARTITION to your ROW_NUMBER: row_number() over (PARTITION BY col2 order by col1) But you should check explain, it might do the STATS step before applying the WHERE filter. Dieter
View ArticleConnecting Teradata and MS SQL sources - forum topic by jedler
I am new to the forum so forgive me if this post seems remedial or incomplete. We work with data coming from two types of data sources (MS SQL Severs, and Teradata Servers). For a number of projects,...
View ArticlePerformance considerations during taking back up-- - response (5) by...
Thanks Dieter for the Response.. Actaully the thing is ,we have PPI defined on A so when we do the INSERT SELECT on the empty A_bkp table then in this case optimizer is using the spool space and...
View ArticlePerformance considerations during taking back up-- - response (6) by dnoeth
Hi Nishant, if target is an exact copy of source then there will be no spool involved, regardless of PPI or not, simply look at explain. You should check if A and A_bkp DDL is different. Dieter
View ArticlePerformance considerations during taking back up-- - response (7) by...
Hi Dieter , Both are having same Structures but they are created at different databases, i mean, one at LIVE and other at BACKUP Db. does different DB's making the usage of spool in INSERT Select?...
View ArticleFailure 7453 Interval field overflow - response (5) by dnoeth
Hi Mahesh, this is a TD13.10 SQL UDF i wrote for calculating the difference in seconds: REPLACE FUNCTION TimeStamp_Diff_Seconds ( ts1 TIMESTAMP(6) ,ts2 TIMESTAMP(6) ) RETURNS DECIMAL(18,6) LANGUAGE SQL...
View ArticlePerformance considerations during taking back up-- - response (8) by dnoeth
Hi Nishant, same database or not doesn't matter. If there's spool usage there must be a difference in DDL. MERGE might use no spool when both source and target have the same (P)PI. Dieter
View ArticleSQL Syntax - response (4) by ulrich
It's like Dieter suggested try replace view test_db _uli.v_test1 as select a.col1, a.col2, a.col3, b.col4 from ( select calendar_date as col1, month_of_year as col2, year_of_calendar as col3 from...
View Article.Net Connection String with LDAP - response (3) by flash7gordon
I got a working teradata ldap connection to work with c# with the following: // below has to be downloaded and "References"d in the project using Teradata.Client.Provider; using...
View ArticleTPT 14 WorkingDatabase and TargetTable getting crossed - response (2) by...
That was it!!! I would have never caught that, didn't even know what that was. Thank you!!!
View ArticleRe: remove the CRLF in the fastexport generated file - response (4) by...
Balu, You can write an outmod to validate and preprocess export data records from Teradata Database before writing them to files on the client system. Thomas
View ArticleRe: Teradata 13.10 VM player version - response (1) by DS186045
Hello Gannu, I too am having Teradata Client/Teradata 13.10 VM connectivity problems. I was given the following steps: 1. If you are using TD 14.x, then you will need TTU 14.x. The new TTU tools such...
View ArticleHow do I access a VMWare hosted Teradata Express from a local TD Mapping...
Hello, I too am having TD Mapping Manager/Teradata Client/Teradata 13.10 VM connectivity problems. I was given the following steps: 1. If you are using TD 14.x, then you will need TTU 14.x. The new...
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