Тренируйте свой мозг: вопросы на собеседовании с Data Engineer, которые вам зададут

–ù–µ—Å–º–æ—Ç—Ä—è –Ω–∞ —Ç–æ, —á—Ç–æ –Ω–∞ —ç—Ç–æ—Ç –≤–æ–ø—Ä–æ—Å –º–æ–∂–Ω–æ –¥–∞—Ç—å —Å–∞–º—ã–µ —Ä–∞–∑–Ω—ã–µ –æ—Ç–≤–µ—Ç—ã –∏ –ø—Ä–∏ —ç—Ç–æ–º –±—ã—Ç—å —Ç–æ—á–Ω—ã–º–∏, –≤—ã –∑–∞—Ö–æ—Ç–∏—Ç–µ –≤–∫–ª—é—á–∏—Ç—å –≤ –Ω–µ–≥–æ –Ω–µ—Å–∫–æ–ª—å–∫–æ –æ—Å–Ω–æ–≤. –í–∞–º, –∫–æ–Ω–µ—á–Ω–æ –∂–µ, –ø–æ–Ω–∞–¥–æ–±–∏—Ç—Å—è —Å–æ–ª–∏–¥–Ω—ã–π –º–∞—Ç–µ–º–∞—Ç–∏—á–µ—Å–∫–∏–π —Ñ–æ–Ω, –≤–µ—Ä–æ—è—Ç–Ω–æ—Å—Ç–Ω–∞—è —Ç–µ–æ—Ä–∏—è –∏ –ª–∏–Ω–µ–π–Ω–∞—è –∞–ª–≥–µ–±—Ä–∞. –ó–¥–µ—Å—å –æ—á–µ–Ω—å –≤–∞–∂–Ω–æ –ø—Ä–æ–π—Ç–∏ –Ω–µ—Å–∫–æ–ª—å–∫–æ –∫—É—Ä—Å–æ–≤ –ø–æ —Å—Ç–∞—Ç–∏—Å—Ç–∏–∫–µ, —Ç–∞–∫–∏—Ö –∫–∞–∫ –∞–Ω–∞–ª–∏–∑ —Ç–µ–Ω–¥–µ–Ω—Ü–∏–π –∏ —Ä–µ–≥—Ä–µ—Å—Å–∏—è. –í–∞–º —Ç–∞–∫–∂–µ –ø–æ–Ω–∞–¥–æ–±–∏—Ç—Å—è –±–æ–ª—å—à–æ–π –æ–ø—ã—Ç —Ä–∞–±–æ—Ç—ã —Å —è–∑—ã–∫–æ–≤—ã–º –ø—Ä–æ–≥—Ä–∞–º–º–Ω—ã–º –æ–±–µ—Å–ø–µ—á–µ–Ω–∏–µ–º, –∏ –¥–ª—è –Ω–∞—á–∞–ª–∞ –≤—ã –¥–æ–ª–∂–Ω—ã —Ö–æ—Ä–æ—à–æ —Ä–∞–∑–±–∏—Ä–∞—Ç—å—Å—è –≤ Python, SAS, Hive QL –∏ –º–∞—à–∏–Ω–Ω–æ–º –æ–±—É—á–µ–Ω–∏–∏. < br>

–ü–æ—á–µ–º—É –∞–Ω–∞–ª–∏–∑ –±–æ–ª—å—à–∏—Ö –¥–∞–Ω–Ω—ã—Ö —Ç–∞–∫ –≤–∞–∂–µ–Ω?

< width = "1000" height = "666" src = "https://744025.smushcdn.com/1245953/wp-content/uploads/2020/01/abstract-art-blur-bright-373543-1.jpg?lossy = 1 & strip = 1 & webp = 1 "alt =" –ê–±—Å—Ç—Ä–∞–∫—Ç–Ω–æ–µ —Ö—É–¥–æ–∂–µ—Å—Ç–≤–µ–Ω–Ω–æ–µ —Ä–∞–∑–º—ã—Ç–∏–µ –Ø—Ä–∫–æ–µ 373543 1 "class =" wp-image-11204 "srcset =" https://744025.smushcdn.com/1245953/wp-content/uploads/2020/01 /abstract-art-blur-bright-373543-1-20x13.jpg?lossy=1&strip=1&webp=1 20w, https://744025.smushcdn.com/1245953/wp-content/uploads/2020/ 01 / abstract-art-blur-bright-373543-1.jpg? Size = 234x156 & amp; lossy = 1 & amp; strip = 1 & amp; webp = 1 234w, https: // 744025. smushcdn.com/1245953/wp-content/uploads/2020/01/abstract-art-blur-bright-373543-1-385x256.jpg?lossy=1&strip=1&webp=1 385w, https: // 744025 .smushcdn.com / 1245953 / wp-content / uploads / 2020/01 / abstract-art-blur-bright-373543-1.jpg? size = 468x312 & amp; lossy = 1 & amp; strip = 1 & amp; webp = 1 468w, https: //744025.smushcdn.com/1245953/wp-content/uploads/2020/01/abstract-art-blur-bright-373543-1.jpg?size=702x468&lossy=1&strip=1&webp=1 702w , https://744025.smushcdn.com/1245953/wp-content/uploads/2020/01/abstract-art-blur-bright-373543-1-768x511.jpg?lossy=1&strip=1&webp=1 768w, https://744025.smushcdn.com/1245953/wp-content/uploads/2020/01/abstract-art-blur-bright-373543-1-770x513.jpg?lossy=1&strip=1&webp= 1 770w, https://744025.smushcdn.com/1245953/wp-content/uploads/2020/01/abstract-art-blur-bright-373543-1.jpg?size=936x623&lossy=1&strip=1& ; webp = 1936w, https://744025.smushcdn.com/1245953/wp-content/uploads/2020/01/abstract-art-blur-bright-373543-1.jpg?lossy=1& ; strip = 1 & amp; webp = 1 1000w "sizes =" (max-width: 1000px) 100vw, 1000px ">

–í —Å–æ–≤—Ä–µ–º–µ–Ω–Ω–æ–º –±–∏–∑–Ω–µ—Å–µ –∫–æ–Ω—Ü–µ–ø—Ü–∏—è –±–æ–ª—å—à–∏—Ö –¥–∞–Ω–Ω—ã—Ö —Å—Ç–∞–Ω–æ–≤–∏—Ç—Å—è –≤—Å–µ –±–æ–ª–µ–µ –≤–∞–∂–Ω–æ–π. –ö–∞–∫ —Å–ø–µ—Ü–∏–∞–ª–∏—Å—Ç –ø–æ –æ–±—Ä–∞–±–æ—Ç–∫–µ –¥–∞–Ω–Ω—ã—Ö, —Ä–æ—Å—Ç –±–æ–ª—å—à–∏—Ö –¥–∞–Ω–Ω—ã—Ö –æ–∑–Ω–∞—á–∞–ª –ø–æ–≤—ã—à–µ–Ω–∏–µ –≤–∞—à–µ–π –¥–∏—Å—Ü–∏–ø–ª–∏–Ω—ã, –∏ –≤—ã –¥–æ–ª–∂–Ω—ã –±—ã—Ç—å –≥–æ—Ç–æ–≤—ã –æ–±—ä—è—Å–Ω–∏—Ç—å, –ø–æ—á–µ–º—É —ç—Ç–æ –ø—Ä–æ–∏–∑–æ—à–ª–æ. –¢–≤–µ—Ä–¥–æ–µ –æ–±—ä—è—Å–Ω–µ–Ω–∏–µ –±–æ–ª—å—à–∏—Ö –¥–∞–Ω–Ω—ã—Ö –∏ —Ç–æ–≥–æ, –ø–æ—á–µ–º—É –∫–æ–º–ø–∞–Ω–∏–∏ –ø–æ–ª–∞–≥–∞—é—Ç—Å—è –Ω–∞ –Ω–∏—Ö, –ø—Ä–æ–∏–∑–≤–µ–¥–µ—Ç —Å–∏–ª—å–Ω–æ–µ –≤–ø–µ—á–∞—Ç–ª–µ–Ω–∏–µ –Ω–∞ –≤–∞—à–µ–≥–æ –º–µ–Ω–µ–¥–∂–µ—Ä–∞ –ø–æ –Ω–∞–π–º—É –∏ –ø—Ä–µ–¥—Å—Ç–∞–≤–∏—Ç –≤–∞—Å –≤ —Ö–æ—Ä–æ—à–µ–º —Å–≤–µ—Ç–µ –¥–æ –∫–æ–Ω—Ü–∞ —Å–æ–±–µ—Å–µ–¥–æ–≤–∞–Ω–∏—è. –ù–∞–π–¥–∏—Ç–µ –≤—Ä–µ–º—è, —á—Ç–æ–±—ã –ø–æ–¥–≥–æ—Ç–æ–≤–∏—Ç—å –æ—Ç–≤–µ—Ç, –∫–æ—Ç–æ—Ä—ã–π –ø–æ—Ä–∞–∑–∏—Ç –∏—Ö.

81% —É—á–∞—Å—Ç–Ω–∏–∫–æ–≤ –∑–∞—è–≤–∏–ª–∏, —á—Ç–æ –æ–Ω–∏ –ø–æ—á—É–≤—Å—Ç–≤–æ–≤–∞–ª–∏ —Å–µ–±—è –±–æ–ª–µ–µ —É–≤–µ—Ä–µ–Ω–Ω—ã–º–∏ –≤ —Å–≤–æ–∏—Ö –ø–µ—Ä—Å–ø–µ–∫—Ç–∏–≤–∞—Ö —Ç—Ä—É–¥–æ—É—Å—Ç—Ä–æ–π—Å—Ç–≤–∞ –≤ —Å—Ñ–µ—Ä–µ –≤—ã—Å–æ–∫–∏—Ö —Ç–µ—Ö–Ω–æ–ª–æ–≥–∏–π –ø–æ—Å–ª–µ –ø–æ—Å–µ—â–µ–Ω–∏—è —É—á–µ–±–Ω–æ–≥–æ –∫—É—Ä—Å–∞. –ü—Ä–æ–π–¥–∏—Ç–µ —É—á–µ–±–Ω—ã–π –∫—É—Ä—Å —É–∂–µ —Å–µ–≥–æ–¥–Ω—è.

–°—Ä–µ–¥–Ω–∏–π –≤—ã–ø—É—Å–∫–Ω–∏–∫ —É—á–µ–±–Ω–æ–≥–æ –ª–∞–≥–µ—Ä—è –ø–æ—Ç—Ä–∞—Ç–∏–ª –º–µ–Ω–µ–µ —à–µ—Å—Ç–∏ –º–µ—Å—è—Ü–µ–≤ –Ω–∞ –ø–µ—Ä–µ—Ö–æ–¥–Ω—É—é –∫–∞—Ä—å–µ—Ä—É, –æ—Ç –Ω–∞—á–∞–ª–∞ —É—á–µ–±–Ω–æ–≥–æ –ª–∞–≥–µ—Ä—è –¥–æ –ø–æ–∏—Å–∫–∞ —Å–≤–æ–µ–π –ø–µ—Ä–≤–æ–π —Ä–∞–±–æ—Ç—ã.

–ü—Ä–æ—â–µ –≥–æ–≤–æ—Ä—è, –±–æ–ª—å—à–∏–µ –¥–∞–Ω–Ω—ã–µ - —ç—Ç–æ –∞–Ω–∞–ª–∏–∑ –≤—Å–µ—Ö –Ω–∞—Å. –ë–æ–ª—å—à–∏–µ –¥–∞–Ω–Ω—ã–µ –∏—Å—Å–ª–µ–¥—É—é—Ç –±–æ–ª—å—à–∏–µ –Ω–∞–±–æ—Ä—ã —Å—Ç–∞—Ç–∏—Å—Ç–∏—á–µ—Å–∫–∏—Ö –¥–∞–Ω–Ω—ã—Ö –æ –±–∏–∑–Ω–µ—Å–µ –∏–ª–∏ –ø–æ–≤–µ–¥–µ–Ω–∏–∏ –ª—é–¥–µ–π –∏ –∏–∑–≤–ª–µ–∫–∞—é—Ç –∏–∑ –Ω–∏—Ö —Ç–µ–Ω–¥–µ–Ω—Ü–∏–∏ –∏ —Ñ–∞–∫—Ç—ã, –∫–æ—Ç–æ—Ä—ã–µ –º–æ–≥—É—Ç –±—ã—Ç—å –Ω–µ –æ—á–µ–≤–∏–¥–Ω—ã –ø—Ä–∏ –±–æ–ª–µ–µ —Ç—â–∞—Ç–µ–ª—å–Ω–æ–º –∞–Ω–∞–ª–∏–∑–µ. –ê–Ω–∞–ª–∏—Ç–∏–∫–∞ –ø–æ —Ç–∏–ø—É –±–æ–ª—å—à–∏—Ö –¥–∞–Ω–Ω—ã—Ö –∏—Å–ø–æ–ª—å–∑—É–µ—Ç –ø—Ä–æ–≥–Ω–æ–∑–Ω—ã–π –∞–Ω–∞–ª–∏–∑ –¥–ª—è —Å–æ–∑–¥–∞–Ω–∏—è –∏–Ω–¥–∏–≤–∏–¥—É–∞–ª—å–Ω—ã—Ö —Ä–µ–∫–æ–º–µ–Ω–¥–∞—Ü–∏–π –¥–ª—è –∫–æ–º–ø–∞–Ω–∏–π. –≠—Ç–æ, –≤ —Å–≤–æ—é –æ—á–µ—Ä–µ–¥—å, –ø–æ–∑–≤–æ–ª—è–µ—Ç –ø—Ä–µ–¥–ø—Ä–∏—è—Ç–∏—è–º —Å–æ–∑–¥–∞–≤–∞—Ç—å –ø—Ä–æ–¥—É–∫—Ç—ã, –ø—Ä–µ–¥–Ω–∞–∑–Ω–∞—á–µ–Ω–Ω—ã–µ –¥–ª—è –∏—Å–ø–æ–ª—å–∑–æ–≤–∞–Ω–∏—è –ø—É—Å—Ç—ã—Ö –Ω–∏—à –∏ –±–æ–ª–µ–µ —ç—Ñ—Ñ–µ–∫—Ç–∏–≤–Ω–æ–≥–æ —É–¥–æ–≤–ª–µ—Ç–≤–æ—Ä–µ–Ω–∏—è –ø–æ—Ç—Ä–µ–±–Ω–æ—Å—Ç–µ–π –∫–ª–∏–µ–Ω—Ç–æ–≤. –ö–æ–º–ø–∞–Ω–∏–∏, –∫–æ—Ç–æ—Ä—ã–µ –∏–º–µ—é—Ç –¥–µ–ª–æ —Å –±–æ–ª—å—à–∏–º–∏ –¥–∞–Ω–Ω—ã–º–∏, –º–æ–≥—É—Ç —É–≤–µ–ª–∏—á–∏—Ç—å –¥–æ—Ö–æ–¥ –¥–æ 20 –ø—Ä–æ—Ü–µ–Ω—Ç–æ–≤. & Nbsp;

–ö–∞–∫–∏–µ –±—ã–≤–∞—é—Ç —Ç–∏–ø—ã –∫–æ–Ω—Ñ–∏–≥—É—Ä–∞—Ü–∏–π Hadoop?

–ï—Å–ª–∏ –≤—ã —Ä–∞–±–æ—Ç–∞–µ—Ç–µ –∏–Ω–∂–µ–Ω–µ—Ä–æ–º –ø–æ –æ–±—Ä–∞–±–æ—Ç–∫–µ –¥–∞–Ω–Ω—ã—Ö, –≤—ã & rsquo ; —Å–æ–±–∏—Ä–∞–µ–º—Å—è —Ä–∞–±–æ—Ç–∞—Ç—å —Å Hadoop. –ö–æ–º–ø–∞–Ω–∏–∏ –∏—Å–ø–æ–ª—å–∑—É—é—Ç Hadoop –∫–∞–∫ —Å—Ä–µ–¥—Å—Ç–≤–æ —Ä–∞—Å–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω–æ–π –æ–±—Ä–∞–±–æ—Ç–∫–∏ –∏ —Ö—Ä–∞–Ω–µ–Ω–∏—è –±–æ–ª—å—à–∏—Ö –¥–∞–Ω–Ω—ã—Ö; —ç—Ç–æ —Ñ—Ä–µ–π–º–≤–æ—Ä–∫ —Å –æ—Ç–∫—Ä—ã—Ç—ã–º –∏—Å—Ö–æ–¥–Ω—ã–º –∫–æ–¥–æ–º, –∫–æ—Ç–æ—Ä—ã–π –ø—Ä–µ–∫—Ä–∞—Å–Ω–æ —Ä–∞–±–æ—Ç–∞–µ—Ç –¥–ª—è —Å–æ–∑–¥–∞–Ω–∏—è —Å—Ç–æ–ª—å–∫–æ –æ–¥–Ω–æ–≤—Ä–µ–º–µ–Ω–Ω—ã—Ö –∑–∞–¥–∞—á, –æ —Å–æ–∑–¥–∞–Ω–∏–∏ –∫–æ—Ç–æ—Ä—ã—Ö –≤—ã –º–æ–∂–µ—Ç–µ —Ç–æ–ª—å–∫–æ –º–µ—á—Ç–∞—Ç—å. –í —Ö–æ–¥–µ —Å–æ–±–µ—Å–µ–¥–æ–≤–∞–Ω–∏—è –≤—ã –ø–æ–ª—É—á–∏—Ç–µ –≤—Å–µ–≤–æ–∑–º–æ–∂–Ω—ã–µ –≤–æ–ø—Ä–æ—Å—ã –ø–æ Hadoop, –≤–∫–ª—é—á–∞—è –≤–æ–ø—Ä–æ—Å—ã, –∫–∞—Å–∞—é—â–∏–µ—Å—è –∫–æ–Ω—Ñ–∏–≥—É—Ä–∞—Ü–∏–π. –ü–æ–¥–≥–æ—Ç–æ–≤—å—Ç–µ –±—ã—Å—Ç—Ä—ã–π –æ—Ç–≤–µ—Ç –∏ –ø—Ä–æ–∏–∑–≤–µ–¥–∏—Ç–µ –≤–ø–µ—á–∞—Ç–ª–µ–Ω–∏–µ –Ω–∞ —Å–≤–æ–µ–≥–æ –±—É–¥—É—â–µ–≥–æ –Ω–∞—á–∞–ª—å–Ω–∏–∫–∞.