feat: add sql solution to lc problem: No.1285 (#778)

No.1285.Find the Start and End Number of Continuous Ranges

Author: Dhoni77

Diff for: solution/1200-1299/1285.Find the Start and End Number of Continuous Ranges/README.md

@@ -64,7 +64,14 @@ Logs 表：
 ### **SQL**
 
 ```sql
-
+SELECT
+  MIN(log_id) AS start_id,
+  MAX(log_id) AS end_id
+FROM (SELECT
+  log_id,
+  log_id - ROW_NUMBER() OVER (ORDER BY log_id) AS rk
+FROM Logs) t
+GROUP BY rk;
 ```
 
 <!-- tabs:end -->

Diff for: solution/1200-1299/1285.Find the Start and End Number of Continuous Ranges/README_EN.md

@@ -64,7 +64,14 @@ Number 10 is contained in the table.
 ### **SQL**
 
 ```sql
-
+SELECT
+  MIN(log_id) AS start_id,
+  MAX(log_id) AS end_id
+FROM (SELECT
+  log_id,
+  log_id - ROW_NUMBER() OVER (ORDER BY log_id) AS rk
+FROM Logs) t
+GROUP BY rk;
 ```
 
 <!-- tabs:end -->

Diff for: solution/1200-1299/1285.Find the Start and End Number of Continuous Ranges/Solution.sql

@@ -0,0 +1,8 @@
+SELECT
+  MIN(log_id) AS start_id,
+  MAX(log_id) AS end_id
+FROM (SELECT
+  log_id,
+  log_id - ROW_NUMBER() OVER (ORDER BY log_id) AS rk
+FROM Logs) t
+GROUP BY rk;