SQL Terms/Concepts | MongoDB Terms/Concepts |
---|---|
database | database |
table | collection |
row | document or BSON document |
column | field |
index | index |
table joins | embedded documents and linking |
primary key Specify any unique column or column combination as primary key. |
In MongoDB, the primary key is automatically set to the _id field. |
aggregation (e.g. group by) |
aggregation pipeline See the SQL to Aggregation Mapping Chart. |
참조 : http://docs.mongodb.org/manual/reference/sql-comparison/