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feat(curriculum): Added Bash and SQL Quiz (#56974)
Co-authored-by: Tom <20648924+moT01@users.noreply.github.com>
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@ -17,439 +17,439 @@ To pass the quiz, you must correctly answer at least 17 of the 20 of the questio
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#### --text--
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Placeholder question
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What does SQL stand for?
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#### --distractors--
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Placeholder distractor 1
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Standard Query Language.
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---
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Placeholder distractor 2
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Simple Quantum Language.
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---
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Placeholder distractor 3
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Sophisticated Query Language.
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#### --answer--
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Placeholder answer
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Structured Query Language.
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### --question--
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#### --text--
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Placeholder question
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Which SQL command is used to create a new database?
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#### --distractors--
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Placeholder distractor 1
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`BUILD DATABASE`
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---
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Placeholder distractor 2
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`GENERATE DATABASE`
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---
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Placeholder distractor 3
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`NEW DATABASE`
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#### --answer--
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Placeholder answer
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`CREATE DATABASE`
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### --question--
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#### --text--
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Placeholder question
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What is First Normal Form (1NF)?
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#### --distractors--
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Placeholder distractor 1
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No redundant data.
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---
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Placeholder distractor 2
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No partial dependencies.
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---
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Placeholder distractor 3
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No transitive dependencies.
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#### --answer--
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Placeholder answer
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Atomic values in columns.
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### --question--
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#### --text--
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Placeholder question
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How do you select all columns from a table?
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#### --distractors--
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Placeholder distractor 1
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`SELECT []`
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---
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Placeholder distractor 2
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`SELECT ALL`
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---
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Placeholder distractor 3
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`SELECT COLUMNS`
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#### --answer--
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Placeholder answer
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`SELECT *`
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### --question--
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#### --text--
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Placeholder question
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What does `FOREIGN KEY` establish?
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#### --distractors--
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Placeholder distractor 1
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A unique identifier key.
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---
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Placeholder distractor 2
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A primary key.
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---
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Placeholder distractor 3
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A null constraint.
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#### --answer--
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Placeholder answer
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A relationship between tables.
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### --question--
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#### --text--
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Placeholder question
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What is the purpose of normalization in SQL?
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#### --distractors--
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Placeholder distractor 1
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Speed up queries.
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---
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Placeholder distractor 2
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Increase storage space.
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---
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Placeholder distractor 3
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Add more indexes.
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#### --answer--
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Placeholder answer
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Reduce data redundancy.
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### --question--
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#### --text--
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Placeholder question
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What is the best defense against SQL injection?
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#### --distractors--
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Placeholder distractor 1
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Remove all user input.
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---
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Placeholder distractor 2
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Disable SQL access.
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---
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Placeholder distractor 3
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Remove database access.
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#### --answer--
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Placeholder answer
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Use prepared statements.
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### --question--
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#### --text--
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Placeholder question
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Which command modifies existing table data?
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#### --distractors--
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Placeholder distractor 1
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`MODIFY`
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---
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Placeholder distractor 2
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`CHANGE`
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---
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Placeholder distractor 3
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`ALTER`
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#### --answer--
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Placeholder answer
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`UPDATE`
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### --question--
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#### --text--
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Placeholder question
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In a junction table, what do you typically include?
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#### --distractors--
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Placeholder distractor 1
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Only foreign keys.
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---
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Placeholder distractor 2
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Only timestamps.
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---
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Placeholder distractor 3
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Only primary keys.
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#### --answer--
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Placeholder answer
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Foreign keys and additional data.
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### --question--
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#### --text--
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Placeholder question
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What command adds new data to a table?
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#### --distractors--
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Placeholder distractor 1
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`ADD`
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---
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Placeholder distractor 2
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`PUT`
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---
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Placeholder distractor 3
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`NEW DATA`
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#### --answer--
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Placeholder answer
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`INSERT`
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### --question--
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#### --text--
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Placeholder question
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Which key can have duplicate values?
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#### --distractors--
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Placeholder distractor 1
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Primary Key.
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---
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Placeholder distractor 2
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Unique Key.
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---
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Placeholder distractor 3
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Composite Key.
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#### --answer--
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Placeholder answer
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Foreign Key.
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### --question--
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#### --text--
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Placeholder question
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What does Third Normal Form (3NF) eliminate?
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#### --distractors--
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Placeholder distractor 1
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Multi-Valued Dependencies.
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---
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Placeholder distractor 2
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Partial Dependencies.
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---
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Placeholder distractor 3
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All Dependencies.
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#### --answer--
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Placeholder answer
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Transitive Dependencies.
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### --question--
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#### --text--
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Placeholder question
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How do you filter SQL results?
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#### --distractors--
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Placeholder distractor 1
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`FILTER`
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---
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Placeholder distractor 2
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`SORT`
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---
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Placeholder distractor 3
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`TAGS`
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#### --answer--
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Placeholder answer
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`WHERE`
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### --question--
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#### --text--
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Placeholder question
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What happens to child records when implementing `ON DELETE CASCADE`?
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#### --distractors--
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Placeholder distractor 1
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They become null.
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---
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Placeholder distractor 2
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They are archived.
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---
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Placeholder distractor 3
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They are orphaned.
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#### --answer--
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Placeholder answer
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They are automatically deleted.
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### --question--
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#### --text--
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Placeholder question
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What is the `COALESCE` function used for?
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#### --distractors--
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Placeholder distractor 1
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Removing duplicates.
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---
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Placeholder distractor 2
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Counting Null Values.
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---
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Placeholder distractor 3
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Combining Tables.
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#### --answer--
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Placeholder answer
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Returning first non-null value.
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### --question--
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#### --text--
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Placeholder question
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When normalizing, what do we call data that depends on only part of a composite key?
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#### --distractors--
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Placeholder distractor 1
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Transitive Dependency.
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---
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Placeholder distractor 2
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Multi-Valued Dependency.
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---
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Placeholder distractor 3
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Functional Dependency.
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#### --answer--
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Placeholder answer
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Partial Dependency.
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### --question--
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#### --text--
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Placeholder question
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What's the main risk of using `SELECT *` in production code?
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#### --distractors--
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Placeholder distractor 1
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SQL injection vulnerability.
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---
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Placeholder distractor 2
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Slower query performance.
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---
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Placeholder distractor 3
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Database crashes.
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#### --answer--
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Placeholder answer
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Breaking code when columns change.
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### --question--
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#### --text--
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Placeholder question
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How do you typically store a password in a database?
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#### --distractors--
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Placeholder distractor 1
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As an encrypted string.
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---
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Placeholder distractor 2
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As base64 encoded text.
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---
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Placeholder distractor 3
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As a plain text.
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#### --answer--
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Placeholder answer
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As a salted hash.
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### --question--
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#### --text--
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Placeholder question
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What's the purpose of an index on a foreign key?
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#### --distractors--
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Placeholder distractor 1
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Ensure data integrity.
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---
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Placeholder distractor 2
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Save Storage Space.
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---
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Placeholder distractor 3
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Prevent Null Values.
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#### --answer--
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Placeholder answer
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Speed Up Join Operations.
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### --question--
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#### --text--
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Placeholder question
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In a many-to-many relationship between students and courses, what does the junction table contain?
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#### --distractors--
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Placeholder distractor 1
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Only student IDs.
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---
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Placeholder distractor 2
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Only Course IDs.
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---
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Placeholder distractor 3
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Full student and course details.
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#### --answer--
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Placeholder answer
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Both IDs and Enrollment date.
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