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‎README.md‎

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@@ -34,7 +34,6 @@ implementation 'com.github.javadev:leetcode-in-java:1.49'
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> ["For coding interview preparation, LeetCode is one of the best online resource providing a rich library of more than 300 real coding interview questions for you to practice from using one of the 7 supported languages - C, C++, Java, Python, C#, JavaScript, Ruby."](https://www.quora.com/How-effective-is-Leetcode-for-preparing-for-technical-interviews)
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##
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* [SQL I](#sql-i)
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* [Level 1](#level-1)
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* [Level 2](#level-2)
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* [Udemy](#udemy)
@@ -49,91 +48,7 @@ implementation 'com.github.javadev:leetcode-in-java:1.49'
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* [Programming Skills I](#programming-skills-i)
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* [Programming Skills II](#programming-skills-ii)
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* [Graph Theory I](#graph-theory-i)
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### SQL I
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#### Day 1 Select
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0595 |[Big Countries](src/main/java/g0501_0600/s0595_big_countries/script.sql)| Easy | Database | 262 | 84.64
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| 1757 |[Recyclable and Low Fat Products](src/main/java/g1701_1800/s1757_recyclable_and_low_fat_products/script.sql)| Easy | Database | 475 | 71.54
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| 0584 |[Find Customer Referee](src/main/java/g0501_0600/s0584_find_customer_referee/script.sql)| Easy | Database | 531 | 58.63
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| 0183 |[Customers Who Never Order](src/main/java/g0101_0200/s0183_customers_who_never_order/script.sql)| Easy | Database | 376 | 98.73
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#### Day 2 Select and Order
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1873 |[Calculate Special Bonus](src/main/java/g1801_1900/s1873_calculate_special_bonus/script.sql)| Easy | Database | 543 | 71.60
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| 0627 |[Swap Salary](src/main/java/g0601_0700/s0627_swap_salary/script.sql)| Easy | Database | 191 | 96.89
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| 0196 |[Delete Duplicate Emails](src/main/java/g0101_0200/s0196_delete_duplicate_emails/script.sql)| Easy | Database | 903 | 48.10
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#### Day 3 String Processing Functions
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1667 |[Fix Names in a Table](src/main/java/g1601_1700/s1667_fix_names_in_a_table/script.sql)| Easy | Database | 559 | 80.29
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| 1484 |[Group Sold Products By The Date](src/main/java/g1401_1500/s1484_group_sold_products_by_the_date/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 395 | 77.20
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| 1527 |[Patients With a Condition](src/main/java/g1501_1600/s1527_patients_with_a_condition/script.sql)| Easy | Database | 308 | 66.93
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#### Day 4 Union and Select
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1965 |[Employees With Missing Information](src/main/java/g1901_2000/s1965_employees_with_missing_information/script.sql)| Easy | Database | 617 | 30.40
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| 1795 |[Rearrange Products Table](src/main/java/g1701_1800/s1795_rearrange_products_table/script.sql)| Easy | Database | 497 | 64.83
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| 0608 |[Tree Node](src/main/java/g0601_0700/s0608_tree_node/script.sql)| Medium | LeetCode_Curated_SQL_70, Database | 347 | 95.17
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| 0176 |[Second Highest Salary](src/main/java/g0101_0200/s0176_second_highest_salary/script.sql)| Medium | Database | 225 | 73.10
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#### Day 5 Union
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0175 |[Combine Two Tables](src/main/java/g0101_0200/s0175_combine_two_tables/script.sql)| Easy | Database | 491 | 32.30
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| 1581 |[Customer Who Visited but Did Not Make Any Transactions](src/main/java/g1501_1600/s1581_customer_who_visited_but_did_not_make_any_transactions/script.sql)| Easy | Database | 1039 | 76.99
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| 1148 |[Article Views I](src/main/java/g1101_1200/s1148_article_views_i/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 783 | 64.09
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#### Day 6 Union
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0197 |[Rising Temperature](src/main/java/g0101_0200/s0197_rising_temperature/script.sql)| Easy | Database | 342 | 93.76
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| 0607 |[Sales Person](src/main/java/g0601_0700/s0607_sales_person/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 1046 | 86.04
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#### Day 7 Function
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1141 |[User Activity for the Past 30 Days I](src/main/java/g1101_1200/s1141_user_activity_for_the_past_30_days_i/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 849 | 72.54
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| 1693 |[Daily Leads and Partners](src/main/java/g1601_1700/s1693_daily_leads_and_partners/script.sql)| Easy | Database | 463 | 78.98
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| 1729 |[Find Followers Count](src/main/java/g1701_1800/s1729_find_followers_count/script.sql)| Easy | Database | 456 | 88.39
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#### Day 8 Function
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0586 |[Customer Placing the Largest Number of Orders](src/main/java/g0501_0600/s0586_customer_placing_the_largest_number_of_orders/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 484 | 66.42
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| 0511 |[Game Play Analysis I](src/main/java/g0501_0600/s0511_game_play_analysis_i/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 586 | 56.94
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| 1890 |[The Latest Login in 2020](src/main/java/g1801_1900/s1890_the_latest_login_in_2020/script.sql)| Easy | Database | 571 | 73.59
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| 1741 |[Find Total Time Spent by Each Employee](src/main/java/g1701_1800/s1741_find_total_time_spent_by_each_employee/script.sql)| Easy | Database | 414 | 93.27
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#### Day 9 Control of Flow
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1393 |[Capital Gain/Loss](src/main/java/g1301_1400/s1393_capital_gainloss/script.sql)| Medium | LeetCode_Curated_SQL_70, Database | 428 | 92.01
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| 1407 |[Top Travellers](src/main/java/g1401_1500/s1407_top_travellers/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 682 | 70.16
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| 1158 |[Market Analysis I](src/main/java/g1101_1200/s1158_market_analysis_i/script.sql)| Medium | Database | 2511 | 78.92
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#### Day 10 Where
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0182 |[Duplicate Emails](src/main/java/g0101_0200/s0182_duplicate_emails/script.sql)| Easy | Database | 303 | 92.08
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| 1050 |[Actors and Directors Who Cooperated At Least Three Times](src/main/java/g1001_1100/s1050_actors_and_directors_who_cooperated_at_least_three_times/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 344 | 76.48
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| 1587 |[Bank Account Summary II](src/main/java/g1501_1600/s1587_bank_account_summary_ii/script.sql)| Easy | Database | 630 | 60.32
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| 1084 |[Sales Analysis III](src/main/java/g1001_1100/s1084_sales_analysis_iii/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 1066 | 69.71
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* [SQL I](#sql-i)
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### Level 1
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| 0014 |[Longest Common Prefix](src/main/java/g0001_0100/s0014_longest_common_prefix/Solution.java)| Easy | Top_Interview_Questions, String, Big_O_Time_O(n\*m)_Space_O(m) | 0 | 100.00
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| 0151 |[Reverse Words in a String](src/main/java/g0101_0200/s0151_reverse_words_in_a_string/Solution.java)| Medium | String, Two_Pointers, LeetCode_75_Array/String | 2 | 99.69
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| 0006 |[Zigzag Conversion](src/main/java/g0001_0100/s0006_zigzag_conversion/Solution.java)| Medium | String, Big_O_Time_O(n)_Space_O(n) | 2 | 99.71
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| 0028 |[Implement strStr()](src/main/java/g0001_0100/s0028_find_the_index_of_the_first_occurrence_in_a_string/Solution.java)| Easy | Top_Interview_Questions, String, Two_Pointers, String_Matching | 0 | 100.00
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| 0028 |[Find the Index of the First Occurrence in a String](src/main/java/g0001_0100/s0028_find_the_index_of_the_first_occurrence_in_a_string/Solution.java)| Easy | Top_Interview_Questions, String, Two_Pointers, String_Matching | 0 | 100.00
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| 0068 |[Text Justification](src/main/java/g0001_0100/s0068_text_justification/Solution.java)| Hard | Array, String, Simulation | 0 | 100.00
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#### Top Interview 150 Two Pointers
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0896 |[Monotonic Array](src/main/java/g0801_0900/s0896_monotonic_array/Solution.java)| Easy | Array | 2 | 86.21
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| 0028 |[Implement strStr()](src/main/java/g0001_0100/s0028_find_the_index_of_the_first_occurrence_in_a_string/Solution.java)| Easy | Top_Interview_Questions, String, Two_Pointers, String_Matching | 0 | 100.00
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| 0028 |[Find the Index of the First Occurrence in a String](src/main/java/g0001_0100/s0028_find_the_index_of_the_first_occurrence_in_a_string/Solution.java)| Easy | Top_Interview_Questions, String, Two_Pointers, String_Matching | 0 | 100.00
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#### Day 2
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| 0886 |[Possible Bipartition](src/main/java/g0801_0900/s0886_possible_bipartition/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Union_Find | 20 | 80.12
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| 0785 |[Is Graph Bipartite?](src/main/java/g0701_0800/s0785_is_graph_bipartite/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Union_Find | 0 | 100.00
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### SQL I
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#### Day 1 Select
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0595 |[Big Countries](src/main/java/g0501_0600/s0595_big_countries/script.sql)| Easy | Database | 262 | 84.64
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| 1757 |[Recyclable and Low Fat Products](src/main/java/g1701_1800/s1757_recyclable_and_low_fat_products/script.sql)| Easy | Database | 475 | 71.54
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| 0584 |[Find Customer Referee](src/main/java/g0501_0600/s0584_find_customer_referee/script.sql)| Easy | Database | 531 | 58.63
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| 0183 |[Customers Who Never Order](src/main/java/g0101_0200/s0183_customers_who_never_order/script.sql)| Easy | Database | 376 | 98.73
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#### Day 2 Select and Order
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1873 |[Calculate Special Bonus](src/main/java/g1801_1900/s1873_calculate_special_bonus/script.sql)| Easy | Database | 543 | 71.60
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| 0627 |[Swap Salary](src/main/java/g0601_0700/s0627_swap_salary/script.sql)| Easy | Database | 191 | 96.89
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| 0196 |[Delete Duplicate Emails](src/main/java/g0101_0200/s0196_delete_duplicate_emails/script.sql)| Easy | Database | 903 | 48.10
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#### Day 3 String Processing Functions
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1667 |[Fix Names in a Table](src/main/java/g1601_1700/s1667_fix_names_in_a_table/script.sql)| Easy | Database | 559 | 80.29
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| 1484 |[Group Sold Products By The Date](src/main/java/g1401_1500/s1484_group_sold_products_by_the_date/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 395 | 77.20
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| 1527 |[Patients With a Condition](src/main/java/g1501_1600/s1527_patients_with_a_condition/script.sql)| Easy | Database | 308 | 66.93
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#### Day 4 Union and Select
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1965 |[Employees With Missing Information](src/main/java/g1901_2000/s1965_employees_with_missing_information/script.sql)| Easy | Database | 617 | 30.40
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| 1795 |[Rearrange Products Table](src/main/java/g1701_1800/s1795_rearrange_products_table/script.sql)| Easy | Database | 497 | 64.83
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| 0608 |[Tree Node](src/main/java/g0601_0700/s0608_tree_node/script.sql)| Medium | LeetCode_Curated_SQL_70, Database | 347 | 95.17
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| 0176 |[Second Highest Salary](src/main/java/g0101_0200/s0176_second_highest_salary/script.sql)| Medium | Database | 225 | 73.10
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#### Day 5 Union
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0175 |[Combine Two Tables](src/main/java/g0101_0200/s0175_combine_two_tables/script.sql)| Easy | Database | 491 | 32.30
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| 1581 |[Customer Who Visited but Did Not Make Any Transactions](src/main/java/g1501_1600/s1581_customer_who_visited_but_did_not_make_any_transactions/script.sql)| Easy | Database | 1039 | 76.99
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| 1148 |[Article Views I](src/main/java/g1101_1200/s1148_article_views_i/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 783 | 64.09
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#### Day 6 Union
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0197 |[Rising Temperature](src/main/java/g0101_0200/s0197_rising_temperature/script.sql)| Easy | Database | 342 | 93.76
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| 0607 |[Sales Person](src/main/java/g0601_0700/s0607_sales_person/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 1046 | 86.04
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#### Day 7 Function
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1141 |[User Activity for the Past 30 Days I](src/main/java/g1101_1200/s1141_user_activity_for_the_past_30_days_i/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 849 | 72.54
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| 1693 |[Daily Leads and Partners](src/main/java/g1601_1700/s1693_daily_leads_and_partners/script.sql)| Easy | Database | 463 | 78.98
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| 1729 |[Find Followers Count](src/main/java/g1701_1800/s1729_find_followers_count/script.sql)| Easy | Database | 456 | 88.39
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#### Day 8 Function
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0586 |[Customer Placing the Largest Number of Orders](src/main/java/g0501_0600/s0586_customer_placing_the_largest_number_of_orders/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 484 | 66.42
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| 0511 |[Game Play Analysis I](src/main/java/g0501_0600/s0511_game_play_analysis_i/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 586 | 56.94
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| 1890 |[The Latest Login in 2020](src/main/java/g1801_1900/s1890_the_latest_login_in_2020/script.sql)| Easy | Database | 571 | 73.59
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| 1741 |[Find Total Time Spent by Each Employee](src/main/java/g1701_1800/s1741_find_total_time_spent_by_each_employee/script.sql)| Easy | Database | 414 | 93.27
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#### Day 9 Control of Flow
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1393 |[Capital Gain/Loss](src/main/java/g1301_1400/s1393_capital_gainloss/script.sql)| Medium | LeetCode_Curated_SQL_70, Database | 428 | 92.01
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| 1407 |[Top Travellers](src/main/java/g1401_1500/s1407_top_travellers/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 682 | 70.16
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| 1158 |[Market Analysis I](src/main/java/g1101_1200/s1158_market_analysis_i/script.sql)| Medium | Database | 2511 | 78.92
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#### Day 10 Where
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0182 |[Duplicate Emails](src/main/java/g0101_0200/s0182_duplicate_emails/script.sql)| Easy | Database | 303 | 92.08
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| 1050 |[Actors and Directors Who Cooperated At Least Three Times](src/main/java/g1001_1100/s1050_actors_and_directors_who_cooperated_at_least_three_times/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 344 | 76.48
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| 1587 |[Bank Account Summary II](src/main/java/g1501_1600/s1587_bank_account_summary_ii/script.sql)| Easy | Database | 630 | 60.32
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| 1084 |[Sales Analysis III](src/main/java/g1001_1100/s1084_sales_analysis_iii/script.sql)| Easy | LeetCode_Curated_SQL_70, Database | 1066 | 69.71
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## Contributing
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Your ideas/fixes/algorithms are more than welcome!
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