How to Delete all objects in a particular database? - response (1) by dnoeth
Yes, there is :-) DELETE DATABASE xy; Dieter
View ArticleCharacter PPI question - response (1) by dnoeth
Hi Helmut, of course there are ways to do character partitioning, but it will be based on how the table is accessed, e.g. SAP_CODE = 'xxxx', SAP_CODE BETWEEN 'xxxx' and 'yyyy', SAP_CODE LIKE 'X%', etc....
View ArticleLog Option While Creating Table - response (4) by dnoeth
Hi Rajeev, i don't think the old Windows versions are still available. But why do you need them? I prefer the VMWare TD Express, because i can easily switch versions and it's closer to a real system...
View ArticleFastLoad job gets system performance down - topic by m.tahoon
we have a Fastload job fired from Informatics which parses XML and insterts into 12 tables in a single Job, total number of XML files is arround 70K files in 5 Gb. The problem is as soon as the job...
View ArticleSpace in the database - response (7) by sachin.sebastian
Dieter, "MAX(CurrentPerm) * (HASHAMP()+1)" because this includes wasted perm due to skew Does this mean that even if data is not physically stored, Perm space is wasted due to Skew? Taking an extreme...
View ArticleSpace in the database - response (8) by Qaisar Aftab Kiani
Yes thats the correct understanding. If the database has been allocated 50 MB of space on a 50 AMP system, this means each AMP can store max of 1 MB, so if the space on one AMP is exhausted then the...
View ArticleSpace in the database - response (9) by dnoeth
The used perm space according to dbc.TableSize would still be 1 MB, but the remaining 49 MB in this database can't be assigned to another database, effectively wasting it. All space (perm(temp/spool)...
View ArticleCharacter PPI question - response (2) by HelmutR
Hello Dieter, thanks for your answer! The split into two columns is out of scope ... but the access is always SAP_CODE = 'xxxx'. Your example with the multi-level partitioning is good, didn't think of...
View ArticleSecondary Index - response (8) by trustngs
Hi Dieter, Thanks for your response. I tried this one created a table with single column NUSI and collected stats on the index. Then i dropped the index, still i able to see the stats using help stats...
View ArticleSecondary Index - response (9) by dnoeth
Whether those collected stats are used even after dropping the index? Of course are those stats used, both column and index stats on a single column are stored in tvfields, there's absolutely no...
View ArticleWhat is best datatype for surrogate key - topic by vikramachandran
I am working on a project where there is a need to increase the storage available for surrogate key to accomodate for more keys due to business growth. Currently its defined as integer and proposed...
View ArticleSecondary Index - response (10) by trustngs
Hi Dieter, Thanks for the reply. So even though the index is dropped, stats collected on it remains and it can used by the parser when required while building the plan. Correct me if i am wrong.
View ArticleCompression - BLC and MVC - topic by TeraLab
All, I see the following disclaimer in the AtanSuite Compression tool. "Tables using block level compression should not be selected." Currently we are on appliance which has block level compression...
View ArticleOracle Connect by Equivalent function in Teradata - topic by dr.Murthy
Hi , Am trying to convert Oracle SQl into Teradata, but i could not found out the equivalent function in oracle. Please suggest me how to connect below oracle SQL into teradata. SELECT * FROM...
View ArticleDB2 Vs Teradata - response (1) by anamikap
Hi , Could you please help me what are the things required to convert Db2 queries to teradata queries. Thank You. Anamika
View ArticleDB2 Vs Teradata - response (2) by anamikap
could you plz help me what all the changes we have to do to convert db2 queries to teradata queries
View ArticleMigrating ORACLE OBIEE Reporting to Work on Top of Teradata 13.10 - topic by...
We are looking to create an estimate for migrating an ORACLE installation to Teradata. In this process, there are nearly 100 reports in OBIEE which must be migrated to run against the Teradata...
View ArticleOracle numeric data type equivalent on Teradata. - response (2) by AshishPatil
Hi, Extending thread a little bit. In oracle we have datatype as NUMBER without any precision and scale. So it can accept large values i.e. around 38 digits and 14 decimals. So for these, what is the...
View ArticleOracle numeric data type equivalent on Teradata. - response (3) by dnoeth
Hi Ashish, in TD14 there's a new NUMBER datatype similar to Oracle's. FLOAT is not rounding to two decimals, this is just a display problem: you probably used SQL Assistant for testing and there's an...
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