anchor.diff:  
   The connector will check for:
   
  -* `uri` or `uris` using the scheme `oracle`
  +* `uri` using the scheme `oracle`
   * `jdbcUrl` field in `credentials` using the subprotocol `oracle` in the JDBC URL
   * `oracleUri`, `oracleuri`, `oracleUrl`, or `oracleurl` fields in `credentials`
   
  
positive.code: 
  * `tags` including `postgresql`
  * `label` beginning with the `postgresql` tag
  * `uri` or `uris` using the scheme `postgres`
  * `jdbcUrl` field in `credentials` using the subprotocol `postgres` in the JDBC URL
  * `postgresUri`, `postgresuri`, `postgresUrl`, or `postgresurl` fields in `credentials`
  
  
negative.code: |`tags` |Attributes or names of backing technologies behind the service.
  |`label` |The service offering’s name (not to be confused with a service _instance’s_ name).
  |`credentials.uri` |A URI pertaining to the service instance.
  |===========================================================================================================================================================================
  
  If they are present, it will also consider the following fields:
  