To create, delete, and update indices, use the syntax below:

<?xml version="1.0" encoding="utf-8" ?><Model name = "com.sap.demo.servicecomp.dataobject"><Indexes version="1.0"><class DOName="BUSINESSPARTNER" DONodeName="BPADDRESS"><Index IndexName="Index1" ChangeType="CREATE" unique="y"><iattr attrname="SYNCKEY"/><iattr attrname="PARTNERID"/></Index><Index IndexName="Index2" ChangeType="DROP" unique="y"/></class><class DOName="PARTNER" DONodeName="PARTNER_DETAILS">< Index IndexName="Index3" ChangeType="ALTER" unique="y"><iattr attrname="PARTNERID" /><iattr attrname=”PARTNER_NAME” /></Index></class></Indexes></Model>

To set database parameters, use the syntax below:

<?xml version="1.0" encoding="utf-8" ?><DBParams><Param Name = “CacheSize” Value =”1024” RestartRequired=”Yes”></Param></DBParams>

To update statistics of the data object, nodes, and corresponding attributes, use the syntax below:

<?xml version="1.0" encoding="utf-8" ?><DBStats><Model name="com.sap.demo.servicecomp.dataobject" ><Command name="UPDATE STATISTICS" doname="PARTNER" nodename="PARTNER_DETAILS" nodeattribute="PARTNER_NAME"/><Command name="UPDATE STATISTICS" doname="PARTNER nodename="PARTNER_DETAILS "/><Command name="UPDATE STATISTICS" doname="*"/></Model></DBStats >