Need alternative to DBQL processing - response (1) by Raja_KT
Hi Ss, For now, I am just thinking that maybe you can break up into smaller chunk, porting to other tables only what you want or maybe partition. After that you can play anyway you like. Cheers, Raja
View ArticleTeradata architechtural behaviour - forum topic by Soumik
Hi all, I would like to know that in which specific scenarios, an AMP will be overloaded - for example, while firing an untuned query, how would this SQL be submitted to the AMPs and how the AMPs would...
View ArticleTeradata architechtural behaviour - response (2) by Raja_KT
Hi, Yes, you can think it that way when we have skewness, with respect to data volume, uneven distribution due to bad choice of PI, bad joins etc.But Teradata system is built for parallelism from...
View ArticleFinding the table size alone? - forum topic by barani_sachin
Hi All, How to find the table size alone? Not including the SI's and other stuffs related to a table.Thanks in advance.Tags: sizetablesize of table aloneForums: Database
View ArticleFinding the table size alone? - response (1) by M.Saeed Khurram
Hi Barani, You can alculate a row size as follows: Logical size = SUM(Bytes for fixed length columns) + SUM(Byte for Variable Lenght Columns) Physical size = Logical Size + 14 Bytes overhead + PPI...
View ArticleFinding the table size alone? - response (3) by Raja_KT
I check it this way: ct raja_test(id varchar(1)) unique primary index id1(id) say. I dont insert any value(zero rows), then I check : SELECT CurrentPerm FROM DBC.TablesizeV WHERE TableName =...
View ArticleFinding the table size alone? - response (4) by dnoeth
There's a quite unknown COLLECT DEMOGRAPHICS command (to be used by Index Wizard or Visual Explain) which estimates the size of each subtable per AMP. You don't need a full Query Capture Database...
View ArticleFinding the table size alone? - response (5) by M.Saeed Khurram
Sorry, I was thinking with respect to physical database design.
View ArticleFastLoad Date Foramt for Long Unix Date - forum topic by ddewber
I have data that is formatted like Fri Dec 20 15:15:18 +0000 2013I want to fastload this data into Teradata with a Timestamp but I am not sure of the format.. I tried the below but it didnt work....
View ArticleFastLoad Date Foramt for Long Unix Date - response (1) by ddewber
I just need some help
View ArticleTERADATA LOCK LEVELS - response (1) by diptera
Hi, can anybody please clarify my above query?
View ArticleNeed alternative to DBQL processing - response (2) by sk73
Thanks Raja. I will try that approach.
View ArticleDoes one need unicode compression in Tredata 14.0 - forum topic by pmehrotr
Iknow i Teradata 13.x, followng syntaxt is provided to implement compression for unicode CREATE TABLE Customer (Customer_Account_Number INTEGER, Customer_Name VARCHAR(50), Customer_Address CHAR(200)...
View ArticleTeradata vs oltp - forum topic by Amith Kumar
Hi, Can someone tell me the different reasons why Teradata doesnt work well with OLTP as compared to other RDBMS like Oracle.Forums: Database
View ArticleNeed alternative to DBQL processing - response (4) by Raja_KT
You are welcome. This is for temporary solution.You may need to think of long term solutions. Good luck, Raja
View ArticleFastLoad Date Foramt for Long Unix Date - response (2) by Raja_KT
Hi, There is a chain of communication about date conversion in fastload.http://forums.teradata.com/forum/tools/fastload-datetime-timestamp TD has many date format conversion like TIMESTAMP,TIMESTAMP...
View ArticleTeradata vs oltp - response (1) by Raja_KT
Hi, I have seen many comparisons. First we need to know both the technologies very well and then we can comment. Teradata has so many features of OLTP then and now also. See all the features (also...
View ArticleDoes one need unicode compression in Tredata 14.0 - response (1) by M.Saeed...
Hi, AFAIK, TRANSUNICODETOUTF8 is a TD 13.10 enhancement. These functions are also present in TD 14.0 and used to compress and decomress Unicode. I have found the below reference how Unicode is stored...
View ArticleTERADATA LOCK LEVELS - response (2) by M.Saeed Khurram
Hi, You can consult the following document and you will get all the answers to your...
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