> update master_items set "feedback_to_de" = 'Yes'
>--Query returned successfully: 591268 rows affected, 1589335 ms execution time.
Here you should better use
update master_items set feedback_to_de = 'Yes' WHERE feedback_to_de <> 'Yes'
OR
update master_items set feedback_to_de <> 'Yes' WHERE fee
On 3/25/2015 2:19 AM, ginkgo36 wrote:
Hi all,
I have 1 table have:
- 417 columns
- 600.000 rows data
- 34 indexs
when i use query on this table, it so long. ex:
update master_items set
temp1 = '' where temp1 <> '' --Query returned successfully: 435214 rows
affected, 1016137 ms execution time.
"I need gather data into one table for consistency and easy for export and
import, it's ok if I split data to smaller tables, but when
export/import/update, i must excute query on alot of table. And this way
lead data to inconsistency if I forget update/export/import on 1 or more
table. It is terri
On 03/25/2015 07:30 AM, ginkgo36 wrote:
@Gary
I'm working on big data, because of the demands of the job so I
export/import/update data on this table every day.
I guess it's possible that each query would need all 417 columns but it
seems unlikely... --> Yes, not at all but 2/3 of 417 columns
On 25/03/2015 14:30, ginkgo36 wrote:
> @Gary
> I'm working on big data, because of the demands of the job so I
> export/import/update data on this table every day.
>
> I guess it's possible that each query would need all 417 columns but it
> seems unlikely... --> Yes, not at all but 2/3 of 417 c
@Gary
I'm working on big data, because of the demands of the job so I
export/import/update data on this table every day.
I guess it's possible that each query would need all 417 columns but it
seems unlikely... --> Yes, not at all but 2/3 of 417 columns :)
I need gather data into one table for
I'm not an expert either, but your data model sounds very broken as
well... I guess it's possible that each query would need all 417 columns
but it seems unlikely...
If that were normalized into 'n' tables then each query would be returning
a whole lot less data...
I've never heard of a database
On Wed, Mar 25, 2015 at 4:19 AM, ginkgo36 wrote:
> Hi all,
> I have 1 table have:
> - 417 columns
> - 600.000 rows data
> - 34 indexs
>
> when i use query on this table, it so long. ex:
>
> update master_items set
> temp1 = '' where temp1 <> '' --Query returned successfully: 435214 rows
> affected
Hi all,
I have 1 table have:
- 417 columns
- 600.000 rows data
- 34 indexs
when i use query on this table, it so long. ex:
update master_items set
temp1 = '' where temp1 <> '' --Query returned successfully: 435214 rows
affected, 1016137 ms execution time.
alter table master_items add "TYPE-DE"
