[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"topic-bazy-dannykh":3,"topic-questions-bazy-dannykh":12},{"id":4,"name":5,"slug":6,"description":7,"emoji":8,"color":9,"sortOrder":10,"questionCount":11,"knownCount":10,"learningCount":10,"weakCount":10},35,"Базы данных","bazy-dannykh","Вопросы по теме Базы данных","🗄️","teal",0,17,[13,24,29,35,40,45,50,56,62,67,72,77,82,87,93,98,103],{"id":14,"slug":15,"question":16,"difficulty":17,"tags":18,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1128,"chto-takoe-baza-dannykh","Что такое база данных?","junior",[19,20,21],"databases","основы","architecture",null,false,{"id":25,"slug":26,"question":27,"difficulty":17,"tags":28,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1129,"chto-takoe-sistema-upravleniya-bazami-dannykh","Что такое система управления базами данных?",[19,20,21],{"id":30,"slug":31,"question":32,"difficulty":17,"tags":33,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1130,"chto-takoe-relyatsionnaya-model-dannykh","Что такое реляционная модель данных?",[19,20,34],"типы-данных",{"id":36,"slug":37,"question":38,"difficulty":17,"tags":39,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1131,"dayte-opredelenie-terminam-prostoy-sostavnoy-potentsialnyy-i-alternativnyy-klyuch","Дайте определение терминам простой, составной, потенциальный и альтернативный ключ?",[19,20],{"id":41,"slug":42,"question":43,"difficulty":17,"tags":44,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1132,"chto-takoe-pervichnyy-klyuch-i-kakovy-kriterii-ego-vybora","Что такое первичный ключ и каковы критерии его выбора?",[19,20],{"id":46,"slug":47,"question":48,"difficulty":17,"tags":49,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1133,"chto-takoe-vneshniy-klyuch","Что такое внешний ключ?",[19,20],{"id":51,"slug":52,"question":53,"difficulty":54,"tags":55,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1134,"kakie-sushchestvuyut-normalnye-formy","Какие существуют нормальные формы?","middle",[19,21],{"id":57,"slug":58,"question":59,"difficulty":54,"tags":60,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1135,"chto-takoe-denormalizatsiya-i-dlya-chego-ona-primenyaetsya","Что такое денормализация и для чего она применяется?",[19,61,21],"performance",{"id":63,"slug":64,"question":65,"difficulty":17,"tags":66,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1136,"kakie-sushchestvuyut-tipy-svyazey-v-baze-dannykh","Какие существуют типы связей в базе данных?",[19,20],{"id":68,"slug":69,"question":70,"difficulty":17,"tags":71,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1137,"chto-takoe-indeksy-i-dlya-chego-ikh-ispolzuyut","Что такое индексы и для чего их используют?",[19,61,20],{"id":73,"slug":74,"question":75,"difficulty":54,"tags":76,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1138,"kakie-tipy-indeksov-sushchestvuyut","Какие типы индексов существуют?",[19,61],{"id":78,"slug":79,"question":80,"difficulty":54,"tags":81,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1139,"v-chem-otlichie-mezhdu-klasternymi-i-neklasternymi-indeksami","В чем отличие между кластерными и некластерными индексами?",[19,61],{"id":83,"slug":84,"question":85,"difficulty":54,"tags":86,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1140,"imeet-li-smysl-indeksirovat-dannye-s-nebolshim-kolichestvom-vozmozhnykh-znacheniy","Имеет ли смысл индексировать данные с небольшим количеством возможных значений?",[19,61],{"id":88,"slug":89,"question":90,"difficulty":91,"tags":92,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1141,"kogda-polnoe-skanirovanie-nabora-dannykh-vygodnee-dostupa-po-indeksu","Когда полное сканирование набора данных выгоднее доступа по индексу?","senior",[19,61],{"id":94,"slug":95,"question":96,"difficulty":17,"tags":97,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1142,"nazovite-osnovnye-svoystva-tranzaktsii","Назовите основные свойства транзакции?",[19,20],{"id":99,"slug":100,"question":101,"difficulty":54,"tags":102,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1143,"kakie-sushchestvuyut-urovni-izolirovannosti-tranzaktsiy","Какие существуют уровни изолированности транзакций?",[19,61],{"id":104,"slug":105,"question":106,"difficulty":54,"tags":107,"topicId":4,"topicSlug":6,"topicName":5,"topicEmoji":8,"status":22,"starred":23},1144,"kakie-problemy-mogut-voznikat-pri-parallelnom-dostupe-s-ispolzovaniem-tranzaktsiy","Какие проблемы могут возникать при параллельном доступе с использованием транзакций?",[19,108],"concurrency"]