add 2990

Author: fishercoder1534

Diff for: database/_2990.sql

@@ -0,0 +1,7 @@
+-- # Write your MySQL query statement below
+select user_id
+from Loans
+group by user_id
+having sum(loan_type = "Refinance") > 0
+   and sum(loan_type = "Mortgage") > 0
+order by 1 asc;

Diff for: paginated_contents/database/README.md

@@ -2,6 +2,7 @@
 |------|----------------|-----------------------------------------------------------------------------------------------------------------------|---------------|---------------|-------------
 | 3198 |[Find Cities in Each State](https://leetcode.com/problems/find-cities-in-each-state/)| [Solution](https://github.com/fishercoder1534/Leetcode/blob/master/database/_3198.sql)                                || Easy |
 | 3172 |[Second Day Verification](https://leetcode.com/problems/second-day-verification/)| [Solution](https://github.com/fishercoder1534/Leetcode/blob/master/database/_3172.sql)                                || Easy |
+| 2990 |[Loan Types](https://leetcode.com/problems/loan-types/)| [Solution](https://github.com/fishercoder1534/Leetcode/blob/master/database/_2990.sql)                                || Easy |
 | 2205 |[The Number of Users That Are Eligible for Discount](https://leetcode.com/problems/the-number-of-users-that-are-eligible-for-discount/)| [Solution](https://github.com/fishercoder1534/Leetcode/blob/master/database/_2205.sql)                                || Easy |
 | 1789 |[Primary Department for Each Employee](https://leetcode.com/problems/primary-department-for-each-employee/)| [Solution](https://github.com/fishercoder1534/Leetcode/blob/master/database/_1789.sql)                                || Easy |
 | 1757 |[Recyclable and Low Fat Products](https://leetcode.com/problems/recyclable-and-low-fat-products/)| [Solution](https://github.com/fishercoder1534/Leetcode/blob/master/database/_1757.sql)                                || Easy |