Below you'll find a list of all posts that have been tagged as “query builder”
One of the improvements for version 18.3 was a much improved, performant query builder. Of course, not all things are free. Or in fact, nothing is free. So who paid for these performance gains? We disabled one of its primary features. But first, let’s take a step a back and explain the scenario. How it Was, Pre 18.3 The query …
Stumbling around on StackOverflow this morning, I came across this person’s HOMEWORK question, and the answer chided them on not using ANSI style JOINs. I’m not going to post the actual SQL here, but if you follow the previous link, it’s there for you to grab and have a go. Something I like to do is take REAL code off …
So two areas of major performance improvements in Oracle SQL Developer version 18.2: Importing from Excel Using the Query Builder Importing from CSV was generally always pretty fast. Working with Excel consumes a lot of memory, and it took a lot of time to load an Excel file to be imported. Well, it still uses a lot of memory – …
You want to write a query. You want to use a subquery in that query. You don’t want to type so much. What to do? Enter the Query Builder. It’s been part of your worksheet for years. Click on it. Drag a table into it. But I don’t want to see the department_id in the output of my query, so …
I’ve talked about the query builder a bit here on these pages, but sometimes a quick video can do a much better job demonstrating these concepts. The video is about 8 minutes and covers: writing a query the old-fashioned way writing a query with drag-and-drop from the tree using the Query Builder At about 5 minutes in, I talk about …
I’m a keyboard ‘ninja.’ I know how to get a lot of characters to splat up on my screen in as few keystrokes as possible. Yet sometimes I do fall back to the mouse. Cue the command-line SQL*Plus diehards rolling over in their graves. One of my favorite tricks is the ability to drag 2 or more tables into the …