Hi.
Thanks; we decided to create an index on @ID; QUERY.INDEX works very fast.

On Saturday, 15 August 2020 at 00:32:34 UTC+2 cliff...@gmail.com wrote:

> JBase indexes are very stable. We have about 145 throughout all of our 
> tables.
>
>
>
> On Friday, July 31, 2020 at 11:15:36 AM UTC-4, VK wrote:
>>
>> Hi coleagues.
>>
>> What is the fastest way to SELECT a set of records from a J4 table:
>>
>> @IDs are in the format: (account_number)-(date_in_internal_format), e.g. 
>> 5001-18628.
>>
>> trying:
>>
>> SELECT THE.TABLE WITH @ID BETWEEN "5001-18628" "5001-23012"
>>
>> Result is bit more than a second (Windows 2019 server, enough memory and 
>> CPUs). Maybe it can be improved?
>>
>> usr: 1.11   sys: 0.00   elapsed: 0m1.11s
>>
>> Usage of "GE ... LE" didn't help:
>>
>> usr: 1.36   sys: 0.00   elapsed: 0m1.36s
>>
>> Records number: circa 340,000.
>>
>> Resizing didn't help.
>>
>> Conversion to JR, as expected, made things a bit worse.
>>
>> Thought about year-based distribution but haven't given it a try yet.
>>
>> Last question - is jBASE indexing stable enough to be trusted? 
>>
>> TAFC 13 (no, question isn't about T24!)
>>
>>

-- 
-- 
IMPORTANT: T24/Globus posts are no longer accepted on this forum.

To post, send email to jBASE@googlegroups.com
To unsubscribe, send email to jbase-unsubscr...@googlegroups.com
For more options, visit this group at http://groups.google.com/group/jBASE?hl=en

--- 
You received this message because you are subscribed to the Google Groups 
"jBASE" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to jbase+unsubscr...@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/jbase/1bd350b0-463d-4e12-8d8c-e1080f2beb8dn%40googlegroups.com.

Reply via email to