The answer & explanation for this question is given in the attachment below.
is defined as the condition in which all of the data in the database are consistent with the real-world events and conditions.

If you want an online presentation, I think you mean by a website.
Best thing you can find is Google Slides.
if you want a program,
LibreOffice is your best bet. It is completely free and it is for Linux, Windows and possibly Mac.
Structured Query Language databases find the name and department name of all graduate students who work on projects that do not employ any other graduates from their department.
Explanation:
Structured Query Language (SQL) is a database-style intended for managing data kept in a relational database management system. SQL statements are applied to execute jobs such as update data on a database or recover data from a database. The standard SQL commands such as "Select", "Insert", "Update", "Delete", "Create", and "Drop" can be used to perform virtually everything that one requires to do with a database. According to ANSI (American National Standards Institute), it is the approved language for relational database management systems.