[L-0] combine README.md

Author: fishercoder1534

README.md

@@ -398,7 +398,19 @@ Your ideas/fixes/algorithms are more than welcome!
 |1|[Two Sum](https://leetcode.com/problems/two-sum/)|[Solution](../master/src/main/java/com/stevesun/solutions/TwoSum.java)| O(n)/O(n^2)|O(1)/O(n) | Easy| HashMap
 
 ## Database
-* [MySQL](https://github.com/fishercoder1534/Leetcode/master/leetcode-database#database)
+
+|197|[Rising Temperature](https://leetcode.com/problems/rising-temperature/)|[Solution](../master/leetcode-database/RisingTemperature.sql)| O(n^2)|O(n) | Easy|
+|196|[Delete Duplicate Emails](https://leetcode.com/problems/delete-duplicate-emails/)|[Solution](../master/leetcode-database/DeleteDuplicateEmails.sql)| O(n^2)|O(n) | Easy|
+|184|[Department Highest Salary](https://leetcode.com/problems/department-highest-salary)|[Solution](../master/leetcode-database/_184.sql.sql)| O(n^2)|O(n) | Medium|
+|183|[Customers Who Never Order](https://leetcode.com/problems/customers-who-never-order/)|[Solution](../master/leetcode-database/CustomersWhoNeverOrder.sql)| O(n^2)|O(n) | Easy|
+|182|[Duplicate Emails](https://leetcode.com/problems/duplicate-emails/)|[Solution](../master/leetcode-database/DuplicateEmails.sql)| O(n^2)|O(n) | Easy| 
+|181|[Employees Earning More Than Their Managers](https://leetcode.com/problems/employees-earning-more-than-their-managers/)|[Solution](../master/leetcode-database/EmployeesEarningMoreThanTheirManagers.sql)| O(n^2)|O(n) | Easy|
+|180|[Consecutive Numbers](https://leetcode.com/problems/consecutive-numbers)|[Solution](../master/leetcode-database/_180.sql)| O(n)|O(n) | Medium|
+|178|[Rank Scores](https://leetcode.com/problems/rank-scores/)|[Solution](../master/leetcode-database/RankScores.sql)| ? | ? | Medium|
+|177|[Nth Highest Salary](https://leetcode.com/problems/nth-highest-salary/)|[Solution](../master/leetcode-database/_177.sql)| O(n) | O(1) | Medium|
+|176|[Second Highest Salary](https://leetcode.com/problems/second-highest-salary/)|[Solution](../master/leetcode-database/SecondHighestSalary.sql)| O(n)|O(1) | Easy|
+|175|[Combine Two Tables](https://leetcode.com/problems/combine-two-tables/)|[Solution](../master/leetcode-database/CombineTwoTables.sql)| O(m+n)|O(m+n) | Easy|
+
 
 ## Shell