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How to become an EDITx Author?

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EDITx is an open IT Library of questions to share and gain knowledge. Become an EDITx author because you care: share your knowledge to fit everyone benefit with a quality IT education.

What you get...

As contributor of the IT library, you allow others to use your questions, in the same way you can make use of theirs. Nevertheless, you keep the intellectual property on your work and will be notified any time that an author is using your questions or when someone answers your questions. Moreover, your privileged status allows you to set up private and public tests, to share your questions with your students, friends, colleagues or acquaintances and to get the results in real time.

... is what you give !

To become an EDITx Author, you just need to set up 5 QCM questions, in the field of your choice, and indicate the right answer. If your questions allows a better "Education in IT for X", you will receive the status and advantages of an EDITx Author.

Post date Author Category Body Stats
23.09.2019
Amélie Gheerbrant
Maître de conférence (Lecturer) at Université Paris Diderot (Paris VII)
SQL

Assuming 'attribute' is a column name in the table 'Table', the result table of a SQL query of...

666 answers
116 good - 550 bad
 
11.09.2019
Amélie Gheerbrant
Maître de conférence (Lecturer) at Université Paris Diderot (Paris VII)
Database

In relational algebra, the projection operator is distributive over difference.

173 answers
148 good - 25 bad
 
11.09.2019
Amélie Gheerbrant
Maître de conférence (Lecturer) at Université Paris Diderot (Paris VII)
SQL

Assuming Table1 and Table2 have only one attribute a in common, which of the following queries...

609 answers
70 good - 539 bad