Entity-Relation modelida kalitlar (Primary, Foreign key) — Taqdimotlar | Informatika va AT | Tayyorish

SOFF XAI bilan hujjat 2 daqiqada — sovg'a olingTaqdimot, kurs ishi va videoni AI bir necha daqiqada yaratadi — bepul limit bilan boshlang.Sovg'ani oling

AI yordamida 2 daqiqada yaratingKerakli hujjatni Soffia AI yordamida tayyorlang — tez, qulay va samarali.Sovg'a olingBoshlash

SOFF X — AI yordamida taqdimot, kurs ishi, rasm va video yarating

SOFF X · AIHujjatingizni AI yaratsinSovg'ani oling

Mahsulot tavsifi

Har bir entiteting unikal va nodavriy identifikatori. U null bo‘lmasligi, minimal bo‘lishi va har bir qatorni yagona aniqlashi talab etiladi

#entity-relation modeli#foreign key#primary key#model

Muallif

Sotuvchi 291059Tasdiqlangan muallif

Hujjatlari: 68 390
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O'xshash hujjatlar

PRIMARY KEY haqida

PRIMARY KEY haqida

Ma’lumotlar bazasining ER (Entity–Relationship) va relyatsion modeli

Ma’lumotlar bazasining ER (Entity–Relationship) va relyatsion modeli

Human Relations School. Key ideas from key representatives

Human Relations School. Key ideas from key representatives

Relatsion modeli

Relatsion modeli

Relatsion modeli

Relatsion modeli

Teaching Foreign Languages in Primary Schools

Teaching Foreign Languages in Primary Schools

Foreign language learning in primary education

Foreign language learning in primary education

Relatsion Ma'lumotlar Modeli

Relatsion Ma'lumotlar Modeli

Relyatsion modeli

Relyatsion modeli

Key Methods in Foreign Language Teaching

Key Methods in Foreign Language Teaching