The current database is test02., Like student this collection insert
_Id mongoDB primary key is automatically created. The type of the primary key of the object type is called ObjectyId
Update Documentation
The name is equal to document updates for programmers dark horse for the following content
set modifier
execute this command
inserted through the tool. Insertion of the primary key is not added, as it will automatically insert
the following data have a addr this attribute, no attribute addr above, which are non-relational database flexible expression. Each domain is not the same document can be
recommended with a consistent set of domain
format more flexible. Here, for example, can be an array addr
Delete documents, self-testing
Studio 3T query Query Builder tool
ObjecytId primary key is
so chosen here ObjectId
