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LeetCode 500~600 mysql

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solution/0500-0599
- 0511.Game Play Analysis I
- 0512.Game Play Analysis II
- 0534.Game Play Analysis III
- 0550.Game Play Analysis IV
  - README.md
  - README_EN.md
- 0570.Managers with at Least 5 Direct Reports
  - README.md
  - README_EN.md
- 0574.Winning Candidate
  - README.md
  - README_EN.md
- 0579.Find Cumulative Salary of an Employee
  - README.md
  - README_EN.md
- 0584.Find Customer Referee
  - README.md
  - README_EN.md
- 0585.Investments in 2016
  - README.md
  - README_EN.md
- 0586.Customer Placing the Largest Number of Orders
  - README.md
  - README_EN.md
- 0595.Big Countries
- 0596.Classes More Than 5 Students
- 0597.Friend Requests I Overall Acceptance Rate
  - README.md
  - README_EN.md

31 files changed

+99

-346

lines changed

`‎solution/0500-0599/0511.Game Play Analysis I/README.md‎`

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`@@ -16,7 +16,7 @@ None`
`16`	`16`	`### SQL`
`17`	`17`
`18`	`18`	```
`19`		`-`
	`19`	`+select player_id, min(event_date) as first_login from Activity group by player_id`
`20`	`20`	```
`21`	`21`
`22`	`22`	`<!-- tabs:end -->`

`‎solution/0500-0599/0511.Game Play Analysis I/README_EN.md‎`

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`@@ -14,7 +14,7 @@ None`
`14`	`14`	`### SQL`
`15`	`15`
`16`	`16`	```
`17`		`-`
	`17`	`+select player_id, min(event_date) as first_login from Activity group by player_id`
`18`	`18`	```
`19`	`19`
`20`	`20`	`<!-- tabs:end -->`

`‎solution/0500-0599/0511.Game Play Analysis I/Solution.sql‎`

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`@@ -0,0 +1 @@`
	`1`	`+select player_id, min(event_date) as first_login from Activity group by player_id`

`‎solution/0500-0599/0512.Game Play Analysis II/README.md‎`

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`@@ -13,23 +13,10 @@ None`
`13`	`13`
`14`	`14`	`<!-- tabs:start -->`
`15`	`15`
`16`		`-### Python3`
`17`		`-<!-- 这里可写当前语言的特殊实现逻辑 -->`
	`16`	`+### SQL`
`18`	`17`
`19`		-```python
`20`		`-`
`21`		-```
`22`		`-`
`23`		`-### Java`
`24`		`-<!-- 这里可写当前语言的特殊实现逻辑 -->`
`25`		`-`
`26`		-```java
`27`		`-`
`28`		-```
`29`		`-`
`30`		`-### ...`
`31`	`18`	```
`32`		`-`
	`19`	`+select player_id, device_id from Activity where (player_id, event_date) in ((select player_id, min(event_date) from Activity group by player_id))`
`33`	`20`	```
`34`	`21`
`35`		`-<!-- tabs:end -->`
	`22`	`+<!-- tabs:end -->`

`‎solution/0500-0599/0512.Game Play Analysis II/README_EN.md‎`

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`@@ -11,21 +11,10 @@ None`
`11`	`11`
`12`	`12`	`<!-- tabs:start -->`
`13`	`13`
`14`		`-### Python3`
	`14`	`+### SQL`
`15`	`15`
`16`		-```python
`17`		`-`
`18`		-```
`19`		`-`
`20`		`-### Java`
`21`		`-`
`22`		-```java
`23`		`-`
`24`		-```
`25`		`-`
`26`		`-### ...`
`27`	`16`	```
`28`		`-`
	`17`	`+select player_id, device_id from Activity where (player_id, event_date) in ((select player_id, min(event_date) from Activity group by player_id))`
`29`	`18`	```
`30`	`19`
`31`		`-<!-- tabs:end -->`
	`20`	`+<!-- tabs:end -->`

`‎solution/0500-0599/0512.Game Play Analysis II/Solution.sql‎`

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`@@ -0,0 +1 @@`
	`1`	`+select player_id, device_id from Activity where (player_id, event_date) in ((select player_id, min(event_date) from Activity group by player_id))`

`‎solution/0500-0599/0534.Game Play Analysis III/README.md‎`

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`@@ -13,23 +13,10 @@ None`
`13`	`13`
`14`	`14`	`<!-- tabs:start -->`
`15`	`15`
`16`		`-### Python3`
`17`		`-<!-- 这里可写当前语言的特殊实现逻辑 -->`
	`16`	`+### SQL`
`18`	`17`
`19`		-```python
`20`		`-`
`21`		-```
`22`		`-`
`23`		`-### Java`
`24`		`-<!-- 这里可写当前语言的特殊实现逻辑 -->`
`25`		`-`
`26`		-```java
`27`		`-`
`28`		-```
`29`		`-`
`30`		`-### ...`
`31`	`18`	```
`32`		`-`
	`19`	`+select a.player_id, a.event_date, sum(b.games_played) as games_played_so_far from Activity a, Activity b where a.player_id = b.player_id and a.event_date >= b.event_date group by a.player_id, a.event_date`
`33`	`20`	```
`34`	`21`
`35`		`-<!-- tabs:end -->`
	`22`	`+<!-- tabs:end -->`

`‎solution/0500-0599/0534.Game Play Analysis III/README_EN.md‎`

Lines changed: 3 additions & 14 deletions

Original file line number	Diff line number	Diff line change
`@@ -11,21 +11,10 @@ None`
`11`	`11`
`12`	`12`	`<!-- tabs:start -->`
`13`	`13`
`14`		`-### Python3`
	`14`	`+### SQL`
`15`	`15`
`16`		-```python
`17`		`-`
`18`		-```
`19`		`-`
`20`		`-### Java`
`21`		`-`
`22`		-```java
`23`		`-`
`24`		-```
`25`		`-`
`26`		`-### ...`
`27`	`16`	```
`28`		`-`
	`17`	`+select a.player_id, a.event_date, sum(b.games_played) as games_played_so_far from Activity a, Activity b where a.player_id = b.player_id and a.event_date >= b.event_date group by a.player_id, a.event_date`
`29`	`18`	```
`30`	`19`
`31`		`-<!-- tabs:end -->`
	`20`	`+<!-- tabs:end -->`

`‎solution/0500-0599/0534.Game Play Analysis III/Solution.sql‎`

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`@@ -0,0 +1 @@`
	`1`	`+select a.player_id, a.event_date, sum(b.games_played) as games_played_so_far from Activity a, Activity b where a.player_id = b.player_id and a.event_date >= b.event_date group by a.player_id, a.event_date`

`‎solution/0500-0599/0550.Game Play Analysis IV/README.md‎`

Lines changed: 2 additions & 15 deletions

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`@@ -13,23 +13,10 @@ None`
`13`	`13`
`14`	`14`	`<!-- tabs:start -->`
`15`	`15`
`16`		`-### Python3`
`17`		`-<!-- 这里可写当前语言的特殊实现逻辑 -->`
	`16`	`+### SQL`
`18`	`17`
`19`		-```python
`20`		`-`
`21`		-```
`22`		`-`
`23`		`-### Java`
`24`		`-<!-- 这里可写当前语言的特殊实现逻辑 -->`
`25`		`-`
`26`		-```java
`27`		`-`
`28`		-```
`29`		`-`
`30`		`-### ...`
`31`	`18`	```
`32`	`19`
`33`	`20`	```
`34`	`21`
`35`		`-<!-- tabs:end -->`
	`22`	`+<!-- tabs:end -->`

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Commit e39eb75

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31 files changed

31 files changed

`‎solution/0500-0599/0511.Game Play Analysis I/README.md‎`

`‎solution/0500-0599/0511.Game Play Analysis I/README_EN.md‎`

`‎solution/0500-0599/0511.Game Play Analysis I/Solution.sql‎`

`‎solution/0500-0599/0512.Game Play Analysis II/README.md‎`

`‎solution/0500-0599/0512.Game Play Analysis II/README_EN.md‎`

`‎solution/0500-0599/0512.Game Play Analysis II/Solution.sql‎`

`‎solution/0500-0599/0534.Game Play Analysis III/README.md‎`

`‎solution/0500-0599/0534.Game Play Analysis III/README_EN.md‎`

`‎solution/0500-0599/0534.Game Play Analysis III/Solution.sql‎`

`‎solution/0500-0599/0550.Game Play Analysis IV/README.md‎`

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