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修改sql联系为sql格式

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This commit is contained in:
LingZhaoHui 2020-11-21 21:03:04 +08:00
parent 3e9e8f99c0
commit c9758d7e72
4 changed files with 9 additions and 34 deletions
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21
hs_err_pid287213.log
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@ -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:

7
sql/从不订购的客户.md → sql/从不订购的客户.sql
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@ -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。 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： Customers 表：
@ -31,10 +31,9 @@ Orders 表：
| Max | | Max |
+-----------+ +-----------+
``` ```
**/
## 答案
```sql
select Name as Customers select Name as Customers
from Customers a from Customers a
where a.id not in (select CustomerId from Orders) where a.id not in (select CustomerId from Orders)
```

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

8
sql/超过经理收入的员工.md → sql/超过经理收入的员工.sql
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@ -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。 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 | | Joe |
+----------+ +----------+
``` ```
**/
## 答案
```sql
select a.Name as Employee select a.Name as Employee
from Employee a, (select Salary,Id from Employee) b from Employee a, (select Salary,Id from Employee) b
where a.ManagerId=b.Id and a.Salary > b.Salary where a.ManagerId=b.Id and a.Salary > b.Salary
```