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feat: update sql solution to lc problem: No.0626 (doocs#1869)

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+29

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Lines changed: 12 additions & 17 deletions

Original file line number	Diff line number	Diff line change
`@@ -66,41 +66,36 @@ Seat 表:`
`66`	`66`	`### SQL`
`67`	`67`
`68`	`68`	```sql
`69`		`-SELECT`
`70`		`- s1.id,`
`71`		`- COALESCE ( s2.student, s1.student ) AS student`
	`69`	`+# Write your MySQL query statement below`
	`70`	`+SELECT s1.id, COALESCE(s2.student, s1.student) AS student`
`72`	`71`	`FROM`
`73`		`- seat s1`
`74`		`- LEFT JOIN seat s2 ON ( s1.id + 1 ) ^ 1 - 1 = s2.id`
`75`		`-ORDER BY`
`76`		`- s1.id;`
	`72`	`+ Seat AS s1`
	`73`	`+ LEFT JOIN Seat AS s2 ON (s1.id + 1) ^ 1 - 1 = s2.id`
	`74`	`+ORDER BY 1;`
`77`	`75`	```
`78`	`76`
`79`	`77`	```sql
	`78`	`+# Write your MySQL query statement below`
`80`	`79`	`SELECT`
`81`	`80`	`id + (`
`82`	`81`	`CASE`
`83`	`82`	`WHEN id % 2 = 1`
`84`		`- AND id != (SELECT MAX(id) FROM seat) THEN 1`
	`83`	`+ AND id != (SELECT MAX(id) FROM Seat) THEN 1`
`85`	`84`	`WHEN id % 2 = 0 THEN -1`
`86`	`85`	`ELSE 0`
`87`	`86`	`END`
`88`	`87`	`) AS id,`
`89`	`88`	`student`
`90`		`-FROM seat`
`91`		`-ORDER BY id;`
	`89`	`+FROM Seat`
	`90`	`+ORDER BY 1;`
`92`	`91`	```
`93`	`92`
`94`	`93`	```sql
`95`	`94`	`# Write your MySQL query statement below`
`96`		`-select`
`97`		`- RANK() over(`
`98`		`- order by`
`99`		`- (id -1) ^ 1`
`100`		`- ) as id,`
	`95`	`+SELECT`
	`96`	`+ RANK() OVER (ORDER BY (id - 1) ^ 1) AS id,`
`101`	`97`	`student`
`102`		`-from`
`103`		`- seat`
	`98`	`+FROM Seat;`
`104`	`99`	```
`105`	`100`
`106`	`101`	```sql

Lines changed: 12 additions & 17 deletions

Original file line number	Diff line number	Diff line change
`@@ -62,41 +62,36 @@ Note that if the number of students is odd, there is no need to change the last`
`62`	`62`	`### SQL`
`63`	`63`
`64`	`64`	```sql
`65`		`-SELECT`
`66`		`- s1.id,`
`67`		`- COALESCE ( s2.student, s1.student ) AS student`
	`65`	`+# Write your MySQL query statement below`
	`66`	`+SELECT s1.id, COALESCE(s2.student, s1.student) AS student`
`68`	`67`	`FROM`
`69`		`- seat s1`
`70`		`- LEFT JOIN seat s2 ON ( s1.id + 1 ) ^ 1 - 1 = s2.id`
`71`		`-ORDER BY`
`72`		`- s1.id;`
	`68`	`+ Seat AS s1`
	`69`	`+ LEFT JOIN Seat AS s2 ON (s1.id + 1) ^ 1 - 1 = s2.id`
	`70`	`+ORDER BY 1;`
`73`	`71`	```
`74`	`72`
`75`	`73`	```sql
	`74`	`+# Write your MySQL query statement below`
`76`	`75`	`SELECT`
`77`	`76`	`id + (`
`78`	`77`	`CASE`
`79`	`78`	`WHEN id % 2 = 1`
`80`		`- AND id != (SELECT MAX(id) FROM seat) THEN 1`
	`79`	`+ AND id != (SELECT MAX(id) FROM Seat) THEN 1`
`81`	`80`	`WHEN id % 2 = 0 THEN -1`
`82`	`81`	`ELSE 0`
`83`	`82`	`END`
`84`	`83`	`) AS id,`
`85`	`84`	`student`
`86`		`-FROM seat`
`87`		`-ORDER BY id;`
	`85`	`+FROM Seat`
	`86`	`+ORDER BY 1;`
`88`	`87`	```
`89`	`88`
`90`	`89`	```sql
`91`	`90`	`# Write your MySQL query statement below`
`92`		`-select`
`93`		`- RANK() over(`
`94`		`- order by`
`95`		`- (id -1) ^ 1`
`96`		`- ) as id,`
	`91`	`+SELECT`
	`92`	`+ RANK() OVER (ORDER BY (id - 1) ^ 1) AS id,`
`97`	`93`	`student`
`98`		`-from`
`99`		`- seat`
	`94`	`+FROM Seat;`
`100`	`95`	```
`101`	`96`
`102`	`97`	```sql

Lines changed: 5 additions & 6 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,6 @@`
`1`		`-SELECT`
`2`		`- s1.id,`
`3`		`- COALESCE(s2.student, s1.student) AS student`
	`1`	`+# Write your MySQL query statement below`
	`2`	`+SELECT s1.id, COALESCE(s2.student, s1.student) AS student`
`4`	`3`	`FROM`
`5`		`- seat AS s1`
`6`		`- LEFT JOIN seat AS s2 ON (s1.id + 1) ^ 1 - 1 = s2.id`
`7`		`-ORDER BY s1.id;`
	`4`	`+ Seat AS s1`
	`5`	`+ LEFT JOIN Seat AS s2 ON (s1.id + 1) ^ 1 - 1 = s2.id`
	`6`	`+ORDER BY 1;`

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