Table Partition - response (3) by dnoeth
Did you try to run you query on a table with data in it? According to your explain the table is empty.
View Articleextending MLPPI tables - response (3) by dnoeth
Before TD14 there's a specific rule for changing the definition of sub-partitions on a populated table: You can only add a partition when you also drop a partition, i.e. the number of partitions must...
View ArticleInserting to a table incrementally - response (4) by M.Saeed Khurram
Bikkey, Can you please tell whether the source is containing 1 million rows and you wnat to pick 100,000 rows according to some criteria? Or the source will be loaded with 100,000 rows on time to...
View Articleextending MLPPI tables - response (4) by Harpreet Singh
Will defining empty partitions for future use have any impact on performance?
View Articleextending MLPPI tables - response (5) by M.Saeed Khurram
Harpreet, Future empty partitions will not impact performance in TD 14. all you can do is to keep the stats updated. So that optimizer knows about the empty partitions :)
View ArticleSELECT * not returning all columns - forum topic by RA186030
I created a table and added a row: CREATE MULTISET TABLE sales_transaction ( tran_id INTEGER, tran_date DATE NOT NULL format 'YYYY-MM-DD' DEFAULT DATE '2000-01-01', customer VARCHAR(100), amount...
View ArticleFetching the data for thelast quarter dates - response (7) by Raja_KT
Whaw this is cool. So the TRUNC second paramater, 'Q' refers to Quarter? Thanks, Raja
View ArticleTable Partition - response (4) by sharatbalaji
Hi, -- CASE 1 CREATE SET TABLE INFORM_USER.TABLEA ,NO FALLBACK , NO BEFORE JOURNAL, NO AFTER JOURNAL, CHECKSUM = DEFAULT, DEFAULT MERGEBLOCKRATIO ( PLCY_NBR INTEGER, MO_ID INTEGER, PLCY_STATUS...
View ArticleTeradata Studio 14.10 - forum topic by RA186030
I have Teradata Studio 14.10 connected to a Teradata 14.10 database and HDP 1.3.2. I am trying to use the Import from Hadoop ... feature to import a table from Hadoop into Teradata. I successfully...
View ArticleTeradata Studio 14.10 - response (1) by RA186030
The hostnames for the DN and NN for the Hadoop system were present in the host file on the Windows machine. If not, there was an issue connecting to the Oozie service.
View ArticleTable Partition - response (5) by Dixxie
Hi Sharat, In my opinion, this is the problem of Case 1: Here you create a range_n with Date values "AS DATE", but after find with integers "(201201,201202)" Regards.
View ArticleSELECT * not returning all columns - response (1) by M.Saeed Khurram
Bteq used to show the column headers with the same number of characters as defined in column definition. In ou case Bteq is returning all the columns but the output is being truncated due to command...
View ArticleTable Partition - response (6) by M.Saeed Khurram
Hi Sharat, Here is the answer to your question:http://www.info.teradata.com/htmlpubs/DB_TTU_14_00/index.html#page/Database_Management/B035_1094_111A/ch09.050.084.html See the lines: You can optimize...
View ArticleTeradata Dbase Error:5758 - response (6) by Swathi Reddy
Hello Dieter Perfect !! Just removed TRIM keyword from ON statement and it worked !! I just thought to have a exact match , if there are any space.. say for example a field is char 30 and it has only 5...
View ArticleTable Partition - response (55) by sharatbalaji
Hi Khurram, Thank you very much for quick response and also the link. I have one more question. The below query gives the result as shown sel tablename,definedcombinedpartitions,maxcombinedpartitions...
View ArticleTable Partition - response (59) by M.Saeed Khurram
Hi Sharat, Yes, it is due the fact the use of expression in RANGE_N can prohibit the optimizer to eliminate the partitions and it does a full table scan. So partitions are there, but the way partitions...
View ArticleNeed alternative to DBQL processing - response (5) by Raja_KT
Hi, It reminds me of the posts now. Have you enquired about PMCP or PDCR if it suits your...
View ArticleTeradata architechtural behaviour - response (3) by Soumik
Thanks a tonne Raja! Could you please provide me a link for such document, so that it can be more understandable to me? Regards, Soumik
View ArticleNested joins in Teradata - forum topic by drmkd17
Can anybody please explain how nested joins work in Teradata??? What I know about the other joining strategies is that Merge Join : PI-PI join is on the same AMP. Hence no redistribution...
View ArticleNested joins in Teradata - forum topic by drmkd17
Can anybody please explain how nested joins work in Teradata??? What I know about the other joining strategies is that Merge Join : PI-PI join is on the same AMP. Hence no redistribution...
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