anti-join
Using information from one table to find if the info exists in another table
I have 2 tables: ads : +------+---------------+ |ID|Name| +------+---------------+ 1|Item 1| 2|Item 2| 3|Item 3|[详细]
2023-04-12 17:23 分类:问答Oracle Anti-Join Execution plan question
We have two tables like so: Event id type ... a bunch of other columns ProcessedEvent event_id process There are indexes defined for[详细]
2022-12-16 10:47 分类:问答