CSDL a schema can have at most one entity container the metadata document of a service MUST have exactly one entity container, multiple schemas are allowed and can be used to group model elements entity containers still have a Name attribute an entity container can still extend the entity container of another schema, the Extends attribute will name the entity container whose container is extended EntitySet attribute of ActionImport and FunctionImport elements only allow a SimpleIdentifier because there's no need to qualify entity set names URL/ABNF remove optional container qualifier (rule containerQualifier) from URL conventions

https://www.oasis-open.org/committees/download.php/49613/odata-v4.0-wd02-part1-protocol-2013-06-19.docx https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/vocabularies/Org.OData.Core.V1.xml?rev=377 https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/vocabularies/Org.OData.Capabilities.V1.xml?rev=379 https://www.oasis-open.org/committees/download.php/49614/odata-v4.0-wd02-part2-url-conventions-2013-06-19.docx https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/ABNF/odata-abnf-construction-rules.txt?rev=380 https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/ABNF/odata-abnf-testcases.xml?rev=380 https://www.oasis-open.org/committees/download.php/49615/odata-v4.0-wd02-part3-csdl-2013-06-19.docx https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/schemas/edmx.xsd?rev=357 https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/schemas/edm.xsd?rev=377 https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/schemas/MetadataService.edmx?rev=374 https://www.oasis-open.org/committees/download.php/49611/odata-atom-format-v4.0-wd02-2013-06-19.docx https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/schemas/metadata.xsd?rev=382 https://www.oasis-open.org/committees/download.php/49612/odata-json-format-v4.0-wd02-2013-06-19.docx