Akhror-Mamasodirov
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It is time to learn programming with me - https://prep-interview.uz/en DM: @ahror_mamasodirov
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Relatsion DB'da biz avval data modelini loyihalaymiz (normalizatsiya, FK), keyin qanday so'rov kerak bo'lsa — o'shani yozamiz.
Cassandra'da bu teskari: avval "qanday query'lar bo'ladi" deb o'ylaymiz, keyin o'sha query'larga mos jadval (va partition key) loyihalaymiz.
Bunga "Query-First Design" yoki "Denormalize by query" deyiladi.
Yaqinda prep interview sql & nosql interview questionlarda batavsil bilib olishingiz mumkun
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