December 2006
Intermediate to advanced
409 pages
8h 3m
English
Content preview from Access® 2007 For Dummies®Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Chapter 14. Queries That Think Faster than You
In This Chapter
Doing more with the Total row
Uncovering the Total row in your query grid
Organizing with Group By
Summing your results
Counting everything at one time
Exploring the ins and outs of Where
Ever need to know how many orders were placed in the past month? Or total dollar sales for last year? How about the top ten best‐selling products for the current year? If you answered yes to any of these questions or have similar questions that need answering, then this chapter is for you. Here I discuss the ever‐wonderful Total row. The Total row slices, dices, and makes julienne fries out of your data! Well, actually, it summarizes your data via the select query. If you don't know what a select query is or how to create one, I suggest you go back and read Chapter 12 before beginning the material in this chapter.
Kissing That Calculator Goodbye via the Total Row
In Chapter 12, I show you how simple select queries can fetch data, such as a list of customers who reside in California or all the details of tofu sales. The Total row takes the select query one step further and summarizes the selected data. The Total row can answer questions like, “How many of our customers reside in California?” and “How much money did we make in tofu sales last month?” It can also do statistical calculations, such as standard deviations, variances, and maximum and minimum values. For a complete list of what the Total row can do, see Table 14-1 .
Table 14.1. 14-1: ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.