ETL Process results in contention on Teradata table - topic by pratyushkhosla
Folks, I'm using Informatica to load from files/tables to Teradata tables. I have a strange problem in an ETL scenario (that's pretty common and I've never had such an issue with any other DB). There...
View ArticleShould a SCD table contain a UPI including date fields or use a natural key?...
I understand that logic but if the table is only going to be used to pull current information what is the intention of leaving expired records? It seems to me that if you have a SCD table that it...
View ArticleStored Procedure Input Parameter Problem - response (3) by goldminer
Thanks Dieter, That is exactly what it was.... operator error! :) Joe
View ArticleSurvey: ERP Source = UTF8, Teradata Column definitions = (Latin or Unicode)?...
I would like to conduct a bit of a survey from all those Teradata customers out there that pull from Unicode sources (i.e. SAP). When setting up the EDW, which of the following scenarios would you...
View ArticleWhere is my archive stored? - topic by isisddog
Hey all, new to teradata. I have to move a database from one teradata server to another. Used Arcmain to do an archive, successful, but for the life of me can't find out where that archive actually...
View ArticleWhere is my archive stored? - response (1) by isisddog
You can delete this, found its actually in the folder where you start arcmain from. Thanks moderator
View ArticleHow to retrieve the Relative Record Number? - response (1) by Qaisar Aftab Kiani
Have you tried ROW_NUMBER function?
View ArticlePerformance of MERGE versus SQL INSERT - response (1) by Qaisar Aftab Kiani
I think in your case the INSERT INTO will be better than MERGE INTO... The later is kind of a two step process where the matching rows are updated while the new ones are inserted, while the former one...
View ArticleETL Process results in contention on Teradata table - response (1) by goldminer
Have you created a view on top of each table defined as LOCK ROW FOR ACCESS? Writing directly against the table, instead of through the view, may be your issue.
View ArticleETL Process results in contention on Teradata table - response (2) by CarlosAL
"Doesn't Teradata have row-level locks??" Teradata uses rowhash locks (whenever can be applied), which can be 'row-level' locks depending primarily on the Primary Index. The locks can be escalated to...
View Articlehow to find the start dates from history - topic by sunny.j
Hi i'm trying to write a sql to know the start date for a customer , the data looks like Case :1 customer start date end date transaction read more
View Articleunable to run query in Teradata Studio Express while being used in VMware...
I'm having the same issue. Is there a resolution?
View Articlehow to find the start dates from history - response (1) by sunny.j
any one please help me to write the sql to get this result
View Articlehow to find the start dates from history - response (2) by Qaisar Aftab Kiani
In your second example there are no customers with start date of 13/11/2011. Anyways, If you just need the minimum start date against a customer then you can do this... SELECT CUSTOMER_ID,...
View Articlehow to find the start dates from history - response (7) by Qaisar Aftab Kiani
And If you need the complete record then you can SELECT TBL1.* FROM <<TABLE_NAME>> AS TBL1 INNER JOIN ( SELECT CUSTOMER_ID, MIN(START_DATE) MIN_START_DATE FROM <<TABLE_NAME>>...
View ArticleInvalid Timestamp - topic by superjuanito88
Goodnight I have a problem doing a CAST in this query to execute, get the error invalid timestamp. read more
View ArticleDifference Between Restore Job and Copy Job - response (5) by usmans
Thanks Adeel for your comment and input. Now can you tell me what is the difference between "Copy Job" and "Restore Job"? In your experience, when would you make a copy job and when would you make a...
View ArticleInvalid Timestamp - response (1) by ocirej23
Hi, Please check if the result of the concatinated values is in proper format before casting to timestamp.
View ArticleCreate database and database space concepts - topic by usmans
Hi, My question is this: Suppose we have a system having 1 TB of total space. I have created a database of 500 GB(MAXPERM) and the current perm is 300 GB. The total effective free space on the system...
View Articlehow to find the start dates from history - response (8) by sunny.j
thanks for the reply, yes its a typo error . in case:2 the start date is 13/01/2011.
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