Creating a Collection

Prerequisites

Procedure

1. On the top menu bar, choose Database Management.

   Figure 1 Database list

   
   

2. On the Collections tab page, click New Collection.

   Figure 2 Database management

   
   

3. On the displayed page, enter a collection name. Select Capped collection, Auto index_id, or No Padding as required.
   • Capped collection: Set the maximum number of bytes and the maximum number of documents. If the specified value is reached, an error is reported. The value specified must be greater than 0.
   • Auto index_id: If you select this option, the system will automatically create an index on the _id field.
   • No Padding: A storage policy that does not reserve storage space for a new record when inserting it when you insert it.

4. Enter validation rules, and set Validation Level and Validation Action.

   Figure 3 Creating a collection-2

   
   

   Validation levels include strict, moderate, and off.

   Verification actions include error and warn.

   Note

   • Options for Validation Level include:
     • strict: a strict validation level.
     • moderate: a moderate validation level.
     • off: no validation level.
   • Options for Validation Action include:
     • error
     • warn

5. Ensure all the settings are correct and click OK. The created collection is displayed in the collection list and you can operate it.