Verified Certificate

Supported by the following organizations

This is to certify that VASILEIOS KONTONIS successfully completed and received a passing grade in DAT201x: Querying with Transact-SQL a course of study offered by Microsoft, an online learning initiative of Microsoft Corporation.

Noted by

Satya Nadella

Satya Nadella

Chief Executive Officer Microsoft Corporation

Björn Rettig

Björn Rettig

Senior Director Technical Content Microsoft Corporation

About edX

edX offers interactive online classes and MOOCs from the world’s best universities, including MIT, Harvard, Berkeley, University of Texas, and many others. edX is a mission driven initiative created by founding partners Harvard and MIT.

About edX Verified Certificates

An edX Verified Certificate signifies that the learner has agreed to abide by the edX honor code and completed all of the required tasks of this course under its guidelines, as well as having their photo ID checked to verify their identity.