RE: Stats collection and Performance - response (3) by Remi
Yes, over-collecting statistics can degrade performances, and surely will as they get outdated. The diagnostic helps you to see all column / column combinations that could be candidate for statistics...
View ArticleCREATE TABLE Failed. 3933: The Maximum Possible Row Length in the Table is...
Thank you both for the information. We will live with the 64K bytes. :)
View ArticleRE: Stats collection and Performance - response (4) by chand308
Thanks for the information!
View ArticleWhat is index join confidence - response (1) by chand308
Even I am trying to understand what the meaning of the term "index join confidence". It will be great if any of the Teradata Gurus can explain if this is good confidence level.
View ArticleSlow left join query - response (6) by nyemul
Dieter Thanks for your response. It worked. It takes 10 minutes. Nitin
View ArticleWhat is index join confidence - response (2) by Qaisar Aftab Kiani
You see the 'Index Join Confidence' clause when the join condition contains unique undexes...
View Articlere:RAID AND FALLBACK - topic by vijayshankar245
Hi, What is the need for having FALLBACK option during creating Tables when we have RAID-1 which has a mirror copy of a disk.doesnt it add overhead and cost? Thanks, Vijayshankar
View Articlere:RAID AND FALLBACK - response (1) by Jim Chapman
Fallback does add overhead and cost. The value is an additional level of protection. If an AMP goes offline for some reason, a fallback-protected table is still accessible. Fallback also provides a...
View ArticleCompile Stored Procedures in Batch - response (7) by ratnamch
plz send me any sp in teradata ex : 1. check obect is exist or not? 2.if exists data will be insert ? if not exists object/table will created . after inserts data ? so plz send me the above...
View ArticleIssue with Decimal(38,0) data type in BTEQ - response (4) by Pasumarthinaresh
I have tried this code, but this is converting negative decimal to positive. Can you help for not to convert this to positive decimal.
View ArticleCPU utilization by a query - response (4) by TDJeet1982
What is the unit of AMPCPUTime in DBC.QryLog? I mean is that in sec's, mill-sec's etc?
View ArticleTeradata calling procedure within a procedure - topic by yousaf
Does teradata allows calling procedure in a procedure. Actually i want to use statement CALL DBC.SysExecSQL('CALL DBC.SysExecSQL(:CS_SQL_Text);'); in a procedure . Also do remember that :CS_SQL_TEXT...
View ArticleHow to force duplication of the rows from a small table on all AMPs -...
Hi Dieter, This is my first post and I am have been following you for a while before creating an account. Thanks for your valuable suggestions. Request you to clarify me on the below. 1. Does the join...
View ArticleSharing table or view in multiple ODBC Connections - topic by fmartinus
Hi all, I have my Teradata set up to connect to three different ODBC connections at the same time. I would like to be able to do select queries joining tables from different ODBC connections. For...
View ArticleTable Level Checksums - response (3) by eshutera
I am new to this site! How do I join Partners 2012? I am curious on the table level checksum too!!
View ArticleSample without duplicates - response (11) by emmavictorio
Hi everyone, I need asap to get a sample of lets say 100 customers for each country. Lets Suppose this scenario: customer_no country_desc 1 argentina 2 argentina 3 argentina 4 ireland 5...
View ArticleIs it possible to use a macro to send out an e-mail notification? - topic by...
Hi all; I am doing some error checking / monitoring and was wondering is it possible to have a Marco set up to send out an e-mail notification if a certain set of circumstances have occured. Does...
View ArticleTeradata calling procedure within a procedure - response (1) by Qaisar Aftab...
The procedures can be called within the body of other procedures. But I don't think you can achieve what you are trying to do by nesting the SYSEXECSQL calls. The procedure expects a SQL in the...
View ArticleSharing table or view in multiple ODBC Connections - response (1) by Qaisar...
This link should give you a fair idea about both global temporary tables and volatile tables http://forums.teradata.com/forum/database/difference-between-gtt-and-volatile-tables In short the data is...
View ArticleSample without duplicates - response (12) by Qaisar Aftab Kiani
try this SELECT * FROM TBL QUALIFY ROW_NUMBER() OVER (PARTITION BY COUNTRY_DESC ORDER BY COUNTRY_DESC) = 1 SAMPLE 2
View Article