Say I have SQLite table with the following records: recID productID productName 1 1 Product A 2 2 Product B 3 2 Product C 4 3 Product D 5 3 Product D recID = primary key, auto increment. If I run: Result is: productID productName 1 Product A 2 Product B 2 Product C 3 Product D As you can
Tag: database-optimization
Page numbers & total result count in a cursor based pagination
Though it may sound like a stupid question, sometimes it is necessary to show page numbers (and also the last page). What is the best way to calculate total row counts and also calculate page numbers (by providing a page query to return specific page) in a cursor based pagination? Also are all these possible in a single query? Popular
How to optimize a MySQL query which is taking 10 sec to fetch results
I have a MySQL database. I have a table in it which has around 200000 rows. I am querying through this table to fetch the latest data.Query select * from `db`.`Data` where floor = “floor_value”…
Delete statement in SQL is very slow
I have statements like this that are timing out: I tried doing one at a time like this: and so far it’s at 22 minutes and still going. The table has 260,000 rows in it and is four columns. Does anyone have any ideas why this would be so slow and how to speed it up? I do have a