SQL vs MQL(MongoDB Query Language)
https://www.mongodb.com/docs/manual/reference/sql-comparison/
SQL to MongoDB Mapping Chart — MongoDB Manual
Docs Home → MongoDB Manual In addition to the charts that follow, you might want to consider the Frequently Asked Questions section for a selection of common questions about MongoDB.The following table presents the various SQL terminology and concepts an
www.mongodb.com
SELECT * FROM table; <-> db.collection.find()
CREATE TABLE ~ <-> db.createCollection(), 또는 데이터 insert 시 자동으로 컬렉션 생성
Query Filter, Operator
db.collection.find(
{ age: {$gt : 10} }
}{ age: {$gt : 10} } => Query criteria, Query filter
$gt => Operator
https://www.mongodb.com/docs/manual/reference/operator/
Operators — MongoDB Manual
Docs Home → MongoDB Manual Query and Projection OperatorsQuery operators provide ways to locate data within the database and projection operators modify how data is presented.Update OperatorsUpdate operators are operators that enable you to modify the da
www.mongodb.com
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