修改sql联系为sql格式

hs_err_pid287213.log

@@ -1,21 +0,0 @@
-#
-# A fatal error has been detected by the Java Runtime Environment:
-#
-#  SIGSEGV (0xb) at pc=0x00007f215cc73133, pid=287213, tid=287228
-#
-# JRE version: OpenJDK Runtime Environment (11.0.9+11) (build 11.0.9+11-post-Debian-1)
-# Java VM: OpenJDK 64-Bit Server VM (11.0.9+11-post-Debian-1, mixed mode, sharing, tiered, compressed oops, g1 gc, linux-amd64)
-# Problematic frame:
-# C  [libjimage.so+0x3133]
-#
-# Core dump will be written. Default location: /home/zeek/project/leetCode/core
-#
-# If you would like to submit a bug report, please visit:
-#   https://bugs.debian.org/openjdk-11
-#
-
----------------  S U M M A R Y ------------
-
-Command Line: -agentlib:jdwp=transport=dt_socket,suspend=y,address=localhost:43579 -javaagent:/home/zeek/software/eclipse_java/configuration/org.eclipse.osgi/406/0/.cp/lib/javaagent-shaded.jar -Dfile.encoding=UTF-8 -Dawt.useSystemAAFontSettings=on -Dswing.aatext=true com.leetcode.string.Convert2Zstr
-
-Host: 

sql/从不订购的客户.sql

@@ -1,4 +1,4 @@
-## 题目
+/**
 某网站包含两个表，Customers 表和 Orders 表。编写一个 SQL 查询，找出所有从不订购任何东西的客户。
 
 Customers 表：
@@ -31,10 +31,9 @@ Orders 表：
 | Max       |
 +-----------+
 ```
+**/
 
-## 答案
-```sql
 select Name as Customers
 from Customers a
 where a.id not in (select CustomerId from Orders)
-```
+

sql/查找重复的电子邮箱.sql

@@ -1,4 +1,4 @@
-## 题目
+/**
 编写一个 SQL 查询，查找 Person 表中所有重复的电子邮箱。
 示例：
 ```
@@ -19,8 +19,7 @@
 | a@b.com |
 +---------+
 ```
+**/
 
-## 答案
-```sql
 select Email from Person  group by Email having count(*) > 1
-```
+

sql/超过经理收入的员工.sql

@@ -1,4 +1,4 @@
-## 题目:
+/**
 
 Employee 表包含所有员工，他们的经理也属于员工。每个员工都有一个 Id，此外还有一列对应员工的经理的 Id。
 ```
@@ -22,11 +22,9 @@ Employee 表包含所有员工，他们的经理也属于员工。每个员工
 | Joe      |
 +----------+
 ```
+**/
 
-## 答案
-
-```sql
 select a.Name as Employee
  from Employee a, (select Salary,Id from Employee) b
  where a.ManagerId=b.Id and a.Salary > b.Salary
-```
+