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Comment by collyw | Hacker News Reader

Is really good, though its more related to indexing than SQL specifically.

I second this. I prefer reading on pdf, so I bought the ebook[1]. The book explains indexing perfectly, and it shouldn't take you more than a day to finish. I can't recall a book having a better benefit/time ratio. I wish the author would release more books in this vein, but he hasn't. So right now I'm looking at Designing Data-Intensive Applications to learn more about different kinds of databases [2].

[1] http://sql-performance-explained.com/

[2] http://dataintensive.net/

He's started work on his next book[0] which looks to be interesting.

[0] http://modern-sql.com/

There's a lot of good content here online for free as well.

Sightly tangential ... which device do you read PDFs on?

Kobo Aura One. Bit more expensive yet high quality.

Preview on macOS is also good.

EDIT: I don't know, when that review was written the device was just released. The device received various firmware updates since then. I convert everything to EPUB with Calibre.

I read that this one isn't good for PDFs http://the-digital-reader.com/2016/08/31/kobo-aura-one-pdf-e...

I really wish there were at least one mass market device that wedded a good eink screen to a reasonable CPU / RAM. There was a crazy expensive Sony PDF reader. But I really just want a Kindle DX (Aura One okay too) sized screen that doesn't struggle to render PDFs.

I used to have a high res inexpensive tablet that I loved to bits, but I dropped it carelessly and I'm finding it impossible to replace the screen. Right now I use Preview on macOS. Since I'm on my laptop anyway, I make notes in a text editor. That helps me remember what I read.

Original iPad (series 1).

I had a Samsung Galaxy Note 12.2 for a while, but the built in reader (iBooks) in the iPad is far superior to everything I tried on Android over a period of months.

Can recommend also. Very good and clear explanations.

Not the parent poster, but I consume a huge amount of writing in PDF form.

* Most modern browsers have it built in

* Preview on MacOS is good

* Kindle and iBooks import PDF files

* SumatraPDF and Skim, depending on your OS

Thanks for the link. This is a very nice resource. Just started reading but I am already finding it very useful.

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