chore(curriculum): audit bash and sql quiz (freeCodeCamp#61642)

Author: zairahira

curriculum/challenges/english/25-front-end-development/quiz-bash-and-sql/66f1affc0ef4fcca423d4688.md

@@ -303,45 +303,45 @@ How do you filter SQL results?
 
 #### --text--
 
-What happens to child records when implementing `ON DELETE CASCADE`?
+What is the primary characteristic of the N+1 problem in SQL?
 
 #### --distractors--
 
-They become null.
+Executing one large, complex query and sending it back to the server.
 
 ---
 
-They are archived.
+A query that returns too much data at once but sorts it alpabetically.
 
 ---
 
-They are orphaned.
+Using too many JOINs in a single query and returning too much data.
 
 #### --answer--
 
-They are automatically deleted.
+Executing one initial query followed by N additional queries for related data.
 
 ### --question--
 
 #### --text--
 
-What is the `COALESCE` function used for?
+Which of the following is a key difference between a Super Key and a Candidate Key?
 
 #### --distractors--
 
-Removing duplicates.
+A Super Key cannot contain multiple attributes or columns, while a Candidate Key can.
 
 ---
 
-Counting Null Values.
+A Candidate Key must be a single column and cannot be a composite key, while a Super Key can be composite.
 
 ---
 
-Combining Tables.
+A Super Key is chosen by the database administrator and it doesn't have to be unique.
 
 #### --answer--
 
-Returning first non-null value.
+A Super Key can contain extra attributes not essential for unique identification, while a Candidate Key cannot.
 
 ### --question--
 
@@ -369,67 +369,67 @@ Partial Dependency.
 
 #### --text--
 
-What's the main risk of using `SELECT *` in production code?
+In Bash, what is the primary purpose of the `>` operator?
 
 #### --distractors--
 
-SQL injection vulnerability.
+To append output to a file and create a copy in `tmp`.
 
 ---
 
-Slower query performance.
+To read input from a file and encode it.
 
 ---
 
-Database crashes.
+To compare two files for differences and print the differences.
 
 #### --answer--
 
-Breaking code when columns change.
+To redirect standard output to a file, overwriting the file if it exists.
 
 ### --question--
 
 #### --text--
 
-How do you typically store a password in a database?
+What does the `wc -l` command do?
 
 #### --distractors--
 
-As an encrypted string.
+Counts the number of words in a file.
 
 ---
 
-As base64 encoded text.
+Counts the number of characters in a file.
 
 ---
 
-As a plain text.
+Lists all files in the current directory.
 
 #### --answer--
 
-As a salted hash.
+Counts the number of lines in a file.
 
 ### --question--
 
 #### --text--
 
-What's the purpose of an index on a foreign key?
+In a Bash script, how can you access the first argument passed to it?
 
 #### --distractors--
 
-Ensure data integrity.
+`$ARG1`
 
 ---
 
-Save Storage Space.
+`$0`
 
 ---
 
-Prevent Null Values.
+`$#`
 
 #### --answer--
 
-Speed Up Join Operations.
+`$1`
 
 ### --question--