I work with very large Oracle enterprise databases all the time. Consistently, I find myself trying to sift through schemas in the database to find relationships between tables. When tables aren’t named appropriately and you have a lot of them, this can be a long and painful process if you do it manually.
Lucky for us, there is a convenient way to search for the tables you’re looking for based on column information.Read More
Recently I found myself needing to aggregate my multiple row SQL data into a single row. This was because the parent data was more useful to me than the multiple row’d data, but I still needed to include it because it was still an essential part of my report. The data looked something like the following:
I often find myself working with legacy database tables that don’t have primary keys or auto increment keys. In addition to this, I always find myself needing to get the latest record for a particular set of data in my database. It is never as easy as just calling a
max in the where clause. A subquery is often needed to get the most recent record in a table.