%META:TOPICPARENT{name="VirtTipsAndTricksGuide"}% ---+Who Am I? ---+Why? Identity is the root of many challenges that arise during system usage troubleshooting, especially in situation where fine-grained attribute-based access controls are in use. Thus, it imperative that you (the identity principal) possess knowledge about how to you are being identified to a Virtuoso instance. Basically, this is about Virtuoso's equivalent of the "whoami" command on Unix and Linux. ---+What? How to determine your Virtuoso SQL session identity, following a successful login. ---+How? 1 SQL through, for instance, iSQL: SELECT get_user(); 1 SPASQL (SPARQL-in-SQL) through, for instance, iSQL: SPARQL SELECT bif:get_user() {}; 1 SPARQL through, for instance, the /sparql input form: SELECT bif:get_user() {} ---++Related * [[VirtTipsAndTricksGuide][Virtuoso Tips and Tricks Collection]]