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titouan lecamp
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78 questions
Expert
7 votes838 runs1 comment

How to obtain the surname and first name of people running more than 10 units?

Data Scientist
database
projection
selection
titouan lecampat Mar 28, 2022
Expert
4 votes705 runs
1 comment

What is GDPR?

Data Scientist
data
regulation
titouan lecampat Sep 19, 2022
Medium
4 votes704 runs1 comment

Which entity provides the legal framework supervising databases in France?

Data Scientist
database
france
titouan lecampat Sep 19, 2022
Medium
3 votes641 runs0 comment

The decomposition normalization algorithm is?.

Data Scientist
database
normalization
titouan lecampat Sep 19, 2022
Expert
2 votes764 runs0 comment

Find the keys of the following functional dependencies: a, b -> c a, b, d -> e c -> a, b d -> f e -> g

Data Scientist
database
functional dependencies
titouan lecampat Mar 28, 2022
Expert
2 votes588 runs0 comment

What happens when you make the same transaction several times?

Data Scientist
database
transactions
titouan lecampat Sep 19, 2022
Medium
2 votes321 runs0 comment

Display lines containing 'Error' in all .txt files

System Administrator
grep
bash
titouan lecampat Sep 19, 2022
Easy
1 vote615 runs0 comment

What is a database?

Data Scientist
data
storage
titouan lecampat Sep 19, 2022
Expert
1 vote577 runs0 comment

Properties of an elementary functional dependency X$ ightarrow$Y

Data Scientist
database
functional dependency
titouan lecampat Sep 19, 2022
Medium
1 vote564 runs0 comment

What is the problem with a Cartesian product of tables?

Data Scientist
database
joins
titouan lecampat Mar 28, 2022
Medium
1 vote325 runs0 comment

Find the default shell for a user in Bash

System Administrator
bash
shell
titouan lecampat Sep 19, 2022
Hard
1 vote291 runs0 comment

Find all rows containing patterns 1 and 2 in a file using Bash

System Administrator
bash
grep
regular expression
titouan lecampat Sep 19, 2022
Medium
1 vote286 runs0 comment

What does the shell prompt `user@user:~$` mean?

System Administrator
bash
shell
titouan lecampat Sep 19, 2022
Hard
1 vote265 runs2 comments

How to count the number of lines in a file in Bash

System Administrator
bash
command line
wc
titouan lecampat Mar 23, 2022
Easy
1 vote256 runs0 comment

What does 2>&1 means in the script below? ``` compile "$i" > "${i%.txt}".ass 2>&1 ```

System Administrator
bash
redirect
titouan lecampat Sep 19, 2022
Hard
1 vote185 runs0 comment

Find the minimum number of functional dependencies to be removed in order to achieve a non redundant coverage.

Data Scientist
database
functional dependencies
titouan lecampat Mar 28, 2022
Medium
1 vote81 runs1 comment

What type of constraint was violated?

Data Scientist
database
constraint
titouan lecampat Mar 17, 2023
Medium
1 vote79 runs0 comment

How to set the permissions of a file in Bash?

System Administrator
permissions
chmod
titouan lecampat Mar 23, 2022
Hard
1 vote74 runs0 comment

Display lines 4 to 12 of a file in Bash

System Administrator
bash
file
titouan lecampat Mar 23, 2022
Hard
0 vote597 runs0 comment

Which of these propositions can be types of constraints in a database?

Data Scientist
database
constraints
titouan lecampat Sep 19, 2022