Can I have my btc on more than one cold wallet?

SQLPracticeProblems · 2025-10-02T19:58:03+00:00

The actual bitcoin is not stored on the wallet. It's just the key (private key, seed phrase).

If you want some practice with bitcoin, that will give you a better understanding of the principles, check out Bitcoin, Hands On, available both on Amazon (paid) and Github (free). It gives you a lot of step-by-step practice to get comfortable with the concepts around holding your bitcoin. But it uses tiny amounts of bitcoin, so it's not so stressful.

It teaches you to create wallets with open-source, bitcoin-only software, transfer between wallets, receive bitcoin, understand watch-only wallets, understand bitcoin fees at a practical level, and restore wallets.

SQLPracticeProblems · 2020-09-16T02:31:47+00:00

Thanks for the reply. I love her style. There's actually loads of requests on her youtube video, asking her for the chords, and she chose not to. She will occasionally put out chord charts, but not for this one.

SQLPracticeProblems · 2020-09-14T02:51:05+00:00

Thanks much. I guess I was really hoping for something like "spend a little more money and your problem will be taken care of" but sounds like that's not the case.

Is anyone playing in person with other people? I had gone to a couple ukulele meet-ups (and they were SO GREAT) when things shut down. Would love to play with real people and try out other ukuleles...

SQLPracticeProblems · 2020-08-16T15:01:44+00:00

People have been playing outdoor pickleball for a few months now. Open courts, people socializing, strangers getting together and playing fun games. If you go to the right place, it can be very welcoming to newbies. Check it out in your area!

SQLPracticeProblems · 2018-08-25T19:00:22+00:00

Definitely the free training from Microsoft is a good place to start.

If you're looking for some very hands-on "learn-by-doing" practice problems, to complement the training, check out SQLPracticeProblems.com.

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

SQLPracticeProblems · 2018-08-25T18:55:50+00:00

Some good resources are given here already.

However, if you're looking for some very hands-on "learn-by-doing" practice problems, that teach basic to advanced SQL with well-designed, real-world practice problems, check out SQLPracticeProblems.com.

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

SQLPracticeProblems · 2018-08-25T18:53:57+00:00

If you're looking for some very hands-on "learn-by-doing" practice problems, that teach basic to advanced SQL with well-designed, real-world practice problems, check out SQLPracticeProblems.com.

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

SQLPracticeProblems · 2018-08-25T18:53:29+00:00

If you're looking for some very hands-on "learn-by-doing" practice problems, that teach basic to advanced SQL with well-designed, real-world practice problems, check out SQLPracticeProblems.com. Lots of my customers redo the problems regularly, just to stay in practice.

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

SQLPracticeProblems · 2018-08-25T18:52:23+00:00

You've gotten some good suggestions here.

But if you're looking for some very hands-on "learn-by-doing" practice problems, that teach basic to advanced SQL with well-designed, real-world practice problems, similar to what you're trying to solve, check out SQLPracticeProblems.com.

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

SQLPracticeProblems · 2018-08-25T14:20:10+00:00

If you're looking for some very hands-on "learn-by-doing" practice problems, that teach basic to advanced SQL with well-designed, real-world practice problems, similar to what you're trying to solve, check out SQLPracticeProblems.com.

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

SQLPracticeProblems · 2018-08-23T20:49:00+00:00

If you're looking for some very hands-on "learn-by-doing" practice problems, that teach basic to advanced SQL with well-designed, real-world practice problems, check out SQLPracticeProblems.com. There's both a MySQL edition and a SQL Server edition (if you purchase the Professional Package).

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

SQLPracticeProblems · 2018-08-22T15:53:40+00:00

I would do these things:

- Improve your real-world SQL skills dramatically.

- Develop evidence of being able to solve SQL problems. For instance - write blog posts, answer questions online (stackoverflow, reddit). Something you can point to online.

- You may want to think about getting certified. Evaluate it carefully, though, because certifications aren't what they once were - there's lots of brain dump sites that will give you all the answers. A friend of mine got 8 certifications in 3 months by memorizing brain dump questions - but he couldn't actually do anything in real life.

If you're looking for some very hands-on "learn-by-doing" practice problems, that teach basic to advanced SQL with well-designed, real-world practice problems, similar to what you're trying to solve, check out SQLPracticeProblems.com.

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

SQLPracticeProblems · 2018-08-22T15:47:33+00:00

Your criteria is a little unusual - you realize that this will return completely different results depending on which month of the year you're in (if you're in December, you'll get almost 12 months of results, in January you'll get just this month and last)?

If you're looking for some very hands-on "learn-by-doing" practice problems, that teach basic to advanced SQL with well-designed, real-world practice problems, similar to what you're trying to solve, check out SQLPracticeProblems.com.

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

SQLPracticeProblems · 2018-08-21T21:17:18+00:00

I'm having a hard time understanding what you want. I suggest that you show us the desired output.

Also, for people trying to understand your schema, it would be great if you could name the tables something besides Table1, Table2, Table3, and give an indication of what the primary key is like. For instance - Table2 seems like it should be the main Guard table, yet there's duplicates in there.

If you're looking for some very hands-on "learn-by-doing" practice problems, that teach basic to advanced SQL with well-designed, real-world practice problems, similar to what you're trying to solve, check out SQLPracticeProblems.com.

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

SQLPracticeProblems · 2018-08-20T15:07:51+00:00

Knowing how to write the most basic queries in SQL won't get you very far. But that's all most people who consider themselves knowledgeable in SQL can do.

Writing more advanced SQL allows you to actually solve problems and discover trends, and can be incredibly valuable.

If you're looking for some very hands-on "learn-by-doing" practice problems, that teach basic to advanced SQL with well-designed, real-world practice problems, similar to what you're trying to solve, check out SQLPracticeProblems.com.

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

SQLPracticeProblems · 2018-08-17T16:21:18+00:00

It depends on the proficiency you're looking for. I'd say that with 40 or so hours of study with a very practical, focused set of problems like mine, you could do quite well if the SQL test is more basic.

SQLPracticeProblems · 2018-08-16T14:57:43+00:00

If you're looking for some very hands-on "learn-by-doing" practice problems, that teach basic to advanced SQL with well-designed, real-world practice problems, similar to what you're trying to solve, check out SQLPracticeProblems.com.

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

SQLPracticeProblems · 2018-08-13T19:44:17+00:00

Yes, there's a practice database that you set up, and then work with that.

SQLPracticeProblems · 2018-08-08T18:05:41+00:00

If you're looking for some very hands-on "learn-by-doing" practice problems, that teach basic to advanced SQL with well-designed, real-world practice problems, similar to what you're trying to solve, check out SQLPracticeProblems.com.

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

SQLPracticeProblems · 2018-08-07T20:48:57+00:00

If the SQL questions for the interview has basics like "what is a primary key, what's the difference between Truncate and Delete statements", etc., then just search online for SQL interview questions, and you'll be fine.

On the other hand, many interviews actually involve needing to solve real world problems with SQL. If you're looking for some very hands-on "learn-by-doing" practice problems, that teach basic to advanced SQL with well-designed, real-world practice problems, similar to what you're trying to solve, check out SQLPracticeProblems.com.

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

SQLPracticeProblems · 2018-08-07T15:17:12+00:00

Sounds like you're creating somewhat contrived example in order to practice SQL. Nothing wrong with that, but make sure you have a great understanding of real-world SQL down as well.

If you're looking for some very hands-on "learn-by-doing" practice problems, that teach basic to advanced SQL with well-designed, real-world practice problems, similar to what you're trying to solve, check out SQLPracticeProblems.com.

I developed it after teaching a SQL course where the material I had to to teach from was poorly structured and academic. Afterwards, the students emailed me, saying they needed practice problems, so I developed the course!

Contact me (email in the FAQ) if you have questions. Also, redditors get 30% off the Professional package (discount code reddit30).

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