WebAug 27, 2010 · I have successfully loaded each with the data from the DB using a DataAdapter and then I tried simply filling the DGVs using for loops. Each method took roughly the same amount of time. The first time the data is filled into the DGVs it takes too long (7+ mins), and then the subsequent times the time is much more reasonable (~30 … WebSep 16, 2014 · You can change your API to include additional parameters to limit the scope of data returned by your application. For instance, you could add limit and offset parameters to fetch just a little part. This is how pagination can be done in accordance with REST. A request like this would result in fetching 10 resources from the messages collection ...
oracle sql Developer taking time to fetch all records
WebMay 25, 2024 · I had a use case of deleting 1M+ rows in the 25M+ rows Table in the MySQL. Tried different approaches like batch deletes (described above). I've found out that the fastest way (copy of required records to new table): Create Temporary Table that holds just ids. CREATE TABLE id_temp_table ( temp_id int); WebJan 26, 2024 · The table "files" has 10 million rows, and the table "value_text" has 40 million rows. This query is too slow, it takes between 40s (15000 results) - 3 minutes (65000 results) to be executed. I had thought about divide the two queries, but I can't because sometimes I need to order by the joined column (value)... indirect heating on the lynx sedona
Slow Select query in SQL with table having 2 million …
WebJan 30, 2024 · The excel file contains more than 300,000 rows. And the sql table also contains more than 300,000 rows. On initial testing, its taking a lot more than 2 hours just to delete only the first 100,000 rows. And its still going. So I figured this is the time to ask, is Microsoft Power Automate the proper tool to use for this task? Thanks Web2. Enver, when the collection was about 1-2 million records I've started to sense some peformance issues (5-50 seconds query time). Then I've added indexes and I got reasonable peformance for querying of < 1000ms now queries take from 20ms to 60 seconds but it all depends on the value distribution of the fields that are filtered and how ... WebJun 7, 2024 · However, the fetch time is proportional to rows returned: ~0.5 sec for 1M and and 5.0 sec for 10M rows. When I observe processes with top I can see MySQL spiking to 100% CPU for a short time followed by MySQLWorkbench spiking to 100% for the remaining duration of the query after the query completes. locus of control and learned helplessness