Update

docs/sql50/advanced_select_and_joins.md

@@ -8,11 +8,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/the-number-of-employees-which-report-to-each-employee/) | [LeetCode CH](https://leetcode.cn/problems/the-number-of-employees-which-report-to-each-employee/) (Easy)
 
-
 ```txt
 --8<-- "sql/1731_the_number_of_employees_which_report_to_each_employee.txt"
 ```
-
 ```sql
 --8<-- "sql/1731_the_number_of_employees_which_report_to_each_employee.sql"
 ```
@@ -22,11 +20,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/primary-department-for-each-employee/) | [LeetCode CH](https://leetcode.cn/problems/primary-department-for-each-employee/) (Easy)
 
-
 ```txt
 --8<-- "sql/1789_primary_department_for_each_employee.txt"
 ```
-
 ```sql
 --8<-- "sql/1789_primary_department_for_each_employee.sql"
 ```
@@ -36,11 +32,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/triangle-judgement/) | [LeetCode CH](https://leetcode.cn/problems/triangle-judgement/) (Easy)
 
-
 ```txt
 --8<-- "sql/0610_triangle_judgement.txt"
 ```
-
 ```sql
 --8<-- "sql/0610_triangle_judgement.sql"
 ```
@@ -50,11 +44,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/consecutive-numbers/) | [LeetCode CH](https://leetcode.cn/problems/consecutive-numbers/) (Medium)
 
-
 ```txt
 --8<-- "sql/0180_consecutive_numbers.txt"
 ```
-
 ```sql
 --8<-- "sql/0180_consecutive_numbers.sql"
 ```
@@ -64,11 +56,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/product-price-at-a-given-date/) | [LeetCode CH](https://leetcode.cn/problems/product-price-at-a-given-date/) (Medium)
 
-
 ```txt
 --8<-- "sql/1164_product_price_at_a_given_date.txt"
 ```
-
 ```sql
 --8<-- "sql/1164_product_price_at_a_given_date.sql"
 ```
@@ -78,11 +68,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/last-person-to-fit-in-the-bus/) | [LeetCode CH](https://leetcode.cn/problems/last-person-to-fit-in-the-bus/) (Medium)
 
-
 ```txt
 --8<-- "sql/1204_last_person_to_fit_in_the_bus.txt"
 ```
-
 ```sql
 --8<-- "sql/1204_last_person_to_fit_in_the_bus.sql"
 ```
@@ -92,11 +80,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/count-salary-categories/) | [LeetCode CH](https://leetcode.cn/problems/count-salary-categories/) (Medium)
 
-
 ```txt
 --8<-- "sql/1907_count_salary_categories.txt"
 ```
-
 ```sql
 --8<-- "sql/1907_count_salary_categories.sql"
 ```

docs/sql50/advanced_string_functions_regex_clause.md

@@ -8,11 +8,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/fix-names-in-a-table/) | [LeetCode CH](https://leetcode.cn/problems/fix-names-in-a-table/) (Easy)
 
-
 ```txt
 --8<-- "sql/1667_fix_names_in_a_table.txt"
 ```
-
 ```sql
 --8<-- "sql/1667_fix_names_in_a_table.sql"
 ```
@@ -22,11 +20,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/patients-with-a-condition/) | [LeetCode CH](https://leetcode.cn/problems/patients-with-a-condition/) (Easy)
 
-
 ```txt
 --8<-- "sql/1527_patients_with_a_condition.txt"
 ```
-
 ```sql
 --8<-- "sql/1527_patients_with_a_condition.sql"
 ```
@@ -36,11 +32,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/delete-duplicate-emails/) | [LeetCode CH](https://leetcode.cn/problems/delete-duplicate-emails/) (Easy)
 
-
 ```txt
 --8<-- "sql/0196_delete_duplicate_emails.txt"
 ```
-
 ```sql
 --8<-- "sql/0196_delete_duplicate_emails.sql"
 ```
@@ -50,11 +44,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/second-highest-salary/) | [LeetCode CH](https://leetcode.cn/problems/second-highest-salary/) (Medium)
 
-
 ```txt
 --8<-- "sql/0176_second_highest_salary.txt"
 ```
-
 ```sql
 --8<-- "sql/0176_second_highest_salary.sql"
 ```
@@ -64,11 +56,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/group-sold-products-by-the-date/) | [LeetCode CH](https://leetcode.cn/problems/group-sold-products-by-the-date/) (Easy)
 
-
 ```txt
 --8<-- "sql/1484_group_sold_products_by_the_date.txt"
 ```
-
 ```sql
 --8<-- "sql/1484_group_sold_products_by_the_date.sql"
 ```
@@ -78,11 +68,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/list-the-products-ordered-in-a-period/) | [LeetCode CH](https://leetcode.cn/problems/list-the-products-ordered-in-a-period/) (Easy)
 
-
 ```txt
 --8<-- "sql/1327_list_the_products_ordered_in_a_period.txt"
 ```
-
 ```sql
 --8<-- "sql/1327_list_the_products_ordered_in_a_period.sql"
 ```
@@ -92,11 +80,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/find-users-with-valid-e-mails/) | [LeetCode CH](https://leetcode.cn/problems/find-users-with-valid-e-mails/) (Easy)
 
-
 ```txt
 --8<-- "sql/1517_find_users_with_valid_e_mails.txt"
 ```
-
 ```sql
 --8<-- "sql/1517_find_users_with_valid_e_mails.sql"
 ```

docs/sql50/basic_aggregate_functions.md

@@ -8,11 +8,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/not-boring-movies/) | [LeetCode CH](https://leetcode.cn/problems/not-boring-movies/) (Easy)
 
-
 ```txt
 --8<-- "sql/0620_not_boring_movies.txt"
 ```
-
 ```sql
 --8<-- "sql/0620_not_boring_movies.sql"
 ```
@@ -22,11 +20,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/average-selling-price/) | [LeetCode CH](https://leetcode.cn/problems/average-selling-price/) (Easy)
 
-
 ```txt
 --8<-- "sql/1251_average_selling_price.txt"
 ```
-
 ```sql
 --8<-- "sql/1251_average_selling_price.sql"
 ```
@@ -36,11 +32,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/project-employees-i/) | [LeetCode CH](https://leetcode.cn/problems/project-employees-i/) (Easy)
 
-
 ```txt
 --8<-- "sql/1075_project_employees_i.txt"
 ```
-
 ```sql
 --8<-- "sql/1075_project_employees_i.sql"
 ```
@@ -50,11 +44,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/percentage-of-users-attended-a-contest/) | [LeetCode CH](https://leetcode.cn/problems/percentage-of-users-attended-a-contest/) (Easy)
 
-
 ```txt
 --8<-- "sql/1633_percentage_of_users_attended_a_contest.txt"
 ```
-
 ```sql
 --8<-- "sql/1633_percentage_of_users_attended_a_contest.sql"
 ```
@@ -64,11 +56,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/queries-quality-and-percentage/) | [LeetCode CH](https://leetcode.cn/problems/queries-quality-and-percentage/) (Easy)
 
-
 ```txt
 --8<-- "sql/1211_queries_quality_and_percentage.txt"
 ```
-
 ```sql
 --8<-- "sql/1211_queries_quality_and_percentage.sql"
 ```
@@ -78,11 +68,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/monthly-transactions-i/) | [LeetCode CH](https://leetcode.cn/problems/monthly-transactions-i/) (Medium)
 
-
 ```txt
 --8<-- "sql/1193_monthly_transactions_i.txt"
 ```
-
 ```sql
 --8<-- "sql/1193_monthly_transactions_i.sql"
 ```
@@ -92,11 +80,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/immediate-food-delivery-ii/) | [LeetCode CH](https://leetcode.cn/problems/immediate-food-delivery-ii/) (Medium)
 
-
 ```txt
 --8<-- "sql/1174_immediate_food_delivery_ii.txt"
 ```
-
 ```sql
 --8<-- "sql/1174_immediate_food_delivery_ii.sql"
 ```
@@ -106,11 +92,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/game-play-analysis-iv/) | [LeetCode CH](https://leetcode.cn/problems/game-play-analysis-iv/) (Medium)
 
-
 ```txt
 --8<-- "sql/0550_game_play_analysis_iv.txt"
 ```
-
 ```sql
 --8<-- "sql/0550_game_play_analysis_iv.sql"
 ```

docs/sql50/basic_joins.md

@@ -8,11 +8,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/replace-employee-id-with-the-unique-identifier/) | [LeetCode CH](https://leetcode.cn/problems/replace-employee-id-with-the-unique-identifier/) (Easy)
 
-
 ```txt
 --8<-- "sql/1378_replace_employee_id_with_the_unique_identifier.txt"
 ```
-
 ```sql
 --8<-- "sql/1378_replace_employee_id_with_the_unique_identifier.sql"
 ```
@@ -22,11 +20,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/product-sales-analysis-i/) | [LeetCode CH](https://leetcode.cn/problems/product-sales-analysis-i/) (Easy)
 
-
 ```txt
 --8<-- "sql/1068_product_sales_analysis_i.txt"
 ```
-
 ```sql
 --8<-- "sql/1068_product_sales_analysis_i.sql"
 ```
@@ -36,11 +32,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/customer-who-visited-but-did-not-make-any-transactions/) | [LeetCode CH](https://leetcode.cn/problems/customer-who-visited-but-did-not-make-any-transactions/) (Easy)
 
-
 ```txt
 --8<-- "sql/1581_customer_who_visited_but_did_not_make_any_transactions.txt"
 ```
-
 ```sql
 --8<-- "sql/1581_customer_who_visited_but_did_not_make_any_transactions.sql"
 ```
@@ -50,11 +44,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/rising-temperature/) | [LeetCode CH](https://leetcode.cn/problems/rising-temperature/) (Easy)
 
-
 ```txt
 --8<-- "sql/0197_rising_temperature.txt"
 ```
-
 ```sql
 --8<-- "sql/0197_rising_temperature.sql"
 ```
@@ -64,11 +56,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/average-time-of-process-per-machine/) | [LeetCode CH](https://leetcode.cn/problems/average-time-of-process-per-machine/) (Easy)
 
-
 ```txt
 --8<-- "sql/1661_average_time_of_process_per_machine.txt"
 ```
-
 ```sql
 --8<-- "sql/1661_average_time_of_process_per_machine.sql"
 ```
@@ -78,11 +68,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/employee-bonus/) | [LeetCode CH](https://leetcode.cn/problems/employee-bonus/) (Easy)
 
-
 ```txt
 --8<-- "sql/0577_employee_bonus.txt"
 ```
-
 ```sql
 --8<-- "sql/0577_employee_bonus.sql"
 ```
@@ -92,11 +80,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/students-and-examinations/) | [LeetCode CH](https://leetcode.cn/problems/students-and-examinations/) (Easy)
 
-
 ```txt
 --8<-- "sql/1280_students_and_examinations.txt"
 ```
-
 ```sql
 --8<-- "sql/1280_students_and_examinations.sql"
 ```
@@ -106,11 +92,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/managers-with-at-least-5-direct-reports/) | [LeetCode CH](https://leetcode.cn/problems/managers-with-at-least-5-direct-reports/) (Medium)
 
-
 ```txt
 --8<-- "sql/0570_managers_with_at_least_5_direct_reports.txt"
 ```
-
 ```sql
 --8<-- "sql/0570_managers_with_at_least_5_direct_reports.sql"
 ```
@@ -120,11 +104,9 @@ comments: True
 
 -   [LeetCode](https://leetcode.com/problems/confirmation-rate/) | [LeetCode CH](https://leetcode.cn/problems/confirmation-rate/) (Medium)
 
-
 ```txt
 --8<-- "sql/1934_confirmation_rate.txt"
 ```
-
 ```sql
 --8<-- "sql/1934_confirmation_rate.sql"
 ```