Provided are techniques for receiving a request to create a current baseline with a baseline identifier and selecting data elements that are to be included in the current baseline. For each of the data elements, for a version of the data element to be included in the current baseline, a reference to the version of the data element is added to the current baseline and a baseline index element for the version of the data element is maintained by one of creating a new baseline index element or updating an existing baseline index element.