LIST aggregate function
Hi Denis, There is an open feature request for the function, CR 570337, butit isn't currently being actively worked on. -bret
View ArticleMDA Tables: Why is the owner_name omitted in most of the MDA tables?
Hi all, If you look at the MDA poster, you will find the object names, the database names and the like but not the owner_id or owner_name. Let's pick on monOpenObjectActivity, one of the most heavily...
View ArticleMDA Tables: Why is the owner_name omitted in most of the MDA tables?
Hi Jason, We did sneak in an object_owner_id() function in 15.5. http://infocenter.sybase.com/help/topic/com.sybase.infocenter.dc36271.1572/html/blocks/blocks179.htm -bret
View ArticleRe: MDA Tables: Why is the owner_name omitted in most of the MDA tables?
wonderful Bret, what about the name of the owner? I'm assuming object_owner_id is querying the appropriate sysobjects?
View ArticleIncreased heap memory per user in ASE 15.7
Hi there,since we updated to ASE 15.7 we noticed more 'heap memory per user' is required for some DML transactions that ran fine in earlier versions (e.g.15.5).The error message says: There is...
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Re: Increased heap memory per user in ASE 15.7
There is a relatively loose rule of thumb with any of the recommendations with sizing of memory, caches, etc : it's only a starting point. You may end up using more or less. This goes for any DBMS or...
View ArticleRe: Increased heap memory per user in ASE 15.7
I don't share the same opinion as some of these memory related parameters might have a big impacton the resource usage of the DB instance. E.g. increasing heap dump per user from 12K to 64K...
View ArticleHow to delete many rows in a big table, but not all the rows ( truncate table...
Hi All, I want to delete many rows in a big table, but not all the rows ( truncate table can't be used in this case )This table have to continue to be updated during operation ( because it's used by...
View ArticleRe: reorg and parallelism
Which reorg command are you running - i.e. exact syntax? Does the script reorg one table at a time - or does it run against multiple tables at a time? ASE's parallelism has a couple of operational...
View ArticleRe: Increased heap memory per user in ASE 15.7
Fair enough. The amount of actual heap used will vary depending on the type of queries. For instance, XML queries eat up the heap....
View ArticleRe: How to delete many rows in a big table, but not all the rows ( truncate...
Unless this is an in-memory database (IMDB) you cannot disable logging. Based on your other comments, and assuming you don't have a maintenance window of time where there's no activity against the...
View ArticleRe: Increased heap memory per user in ASE 15.7
Hi, To prevent the error you have to take care that the system has enough heap memory configured related to you system load. Calculating heap memory: To calculate how much heap memory Adaptive Server...
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Re: Increased heap memory per user in ASE 15.7
increasing heap dump per user from 12K to 64K would increase memory usage for 500 concurrent users from 6GB to 32GB. So the DBA should be very careful changing these values.While I would agree that...
View ArticleRe: Increased heap memory per user in ASE 15.7
Oops, Mark you're right. Now I'm not worried anymore about the impact on the server's memory usage. And thanks Claude for the explanation.But nevertheless, there must be a difference between Sybase...
View ArticleStandard process for Sybase ASE EBF Patch Rollback ?
Hello All, I work with HP and we write the software to automate the operations of managing databases in Prod, Dev and UAT environment. For standardizing the process for all our customer, I wanted some...
View ArticleRe: ASE 15.7 Migration
Hi, I am also planning to upgrade all our ASE 15.0.3 servers in our organisation to 15.7 version. This project will be starting next year. It will be helpful if other members can relate their...
View ArticleASE 15.7 optimizer does less REFORMATTING than 12.5
Dear group, let me ask two generic questions first, then I'll describe the details of our case.Is ASE 15.7 optimizer less prone to choose reformatting than 12.5 was?How can ASE be invited to do more...
View ArticleRe: ASE 15.7 optimizer does less REFORMATTING than 12.5
A few ideas/questions/issues come to mind ... --------------- Have you insured you have stats on the 3 referenced columns from the TOPERAFR table?Is there a reason why an index cannot be added to the...
View Articleany feedback on ASE 15.7 SP110 patch?
We're considering recently released ASE 15.7 SP110 patch for our Solaris/SPARC server.Since it's just being released, I hardly find any feedback whatsoever.Does anyone have any experience with this...
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