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1 2 1 2 1 2 3 3 or 1 2 3 1 2 1 2 3 or 1 2 1 2 3 1 2 3
Those are the fingerings I do as well

Yes, quite agree, learning them any other way is daft. Small hand, short little finger, grrrrrr, sometimes it really annoys me, but, I can do some wicked extensions with my third finger when I need to

Rather unorthodox, but it saves another shift in a fast orchestral passage.
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Oh by the way Amanda, what does a professional violinist practice? Do you still learn new stuff, or spend most time going over old repertoire?
Mostly chewing over old stuff (for the purposes of teaching) that you've done, but well and truly forgotten

Doesn't take too long to come back, but can sound a bit ropey to begin with. To be honest, unless you are doing regular solo chamber performances or recitals, learning new pieces of that type aren't important, it's best to keep things like audition pieces and (the more popular) orchestral excerpts, in fairly good working order, since they are the bread and butter of daily working life for the orchestral player. Most ochestras allow you to take music away to practice, if you want to. Even eminent leaders are known to take the dots home with them, so never be ashamed to ask after a rehearsal if you want to take the music with you.
For reference, most professional orchestras expect players to know the Brahms symphonies fairly well.
ED: Should have also said that scales and studies are still important, even for pros. Helps keep technique in order, if nothing else.
ED: Of course, finding the time to practice once you are working is the biggest problem of all. Certainly not enough time for 3,4,5 or 6 hours a day. You'll be so whacked out after repeated rehearsals, performances and/or plus any travelling that you won't really feel like getting the violin out on the days you aren't working. Instead 90 million other jobs will need doing instead, all the stuff you couldn't do while you were playing somewhere in Outer Mongolia or wherever.
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Well, I can't see how being compared to Ida Haendel is a bad thing...
I wasn't complaining about the comparison, it was just the way the teacher said it. He believed the only fingering permitted was that of Flesch.