createCollection() - Creates a collection
Creates a new collection with the specified characteristics.
Syntax diagram
Command arguments
- name
- Specifies a collection name. It must be alphanumeric with no special
characters except
$. - tableSpec
- This optional parameter specifies the selection criteria for indexes.
The options are as follows:
- _id
- Specifies ID definition. It must be one of the following data
types:
- $int
- $long
- $number
- $date
- $timestamp
- $string: length
- $binary: length
- compress (YES | NO) YES | NO)
- Specifies whether to compress the collection.
- tablespace
- Specifies the name of the table space.
- inline
- Specifies the bufferpool space usage. It is of type integer.
- systemTime (sysStartField | sysEndField)
- Specifies the system time for sysStartField and sysEndField variables.
- businessTime (busStartField | busEndField )
- Specifies the business time for busStartField and busEndField variables.
Example
Example 1: Create a collection called
"media" with _id of type SQL BIGINT.
db.createCollection(“media”, {_id: “$long”)}) Collection: TEST."media" created. Use db.media.