删除MariaDB中超过900行的任何内容
这在Mysql中是可行的,但MariaDB的语法似乎不同,我正在尝试删除前900行以上的任何内容(限制为900行):删除MariaDB中超过900行的任何内容,mariadb,sql-delete,Mariadb,Sql Delete,这在Mysql中是可行的,但MariaDB的语法似乎不同,我正在尝试删除前900行以上的任何内容(限制为900行): 尝试在Maria中执行此操作将返回以下错误: ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'NOT IN (S
尝试在Maria中执行此操作将返回以下错误:
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that
corresponds to your MariaDB server version for the right syntax to use near
'NOT IN (SELECT * FROM cronschedule LIMIT 900)' at line 1
那么,在玛丽亚身上我该怎么做呢?这似乎奏效了
DELETE cr.*
FROM cronschedule cr
LEFT JOIN
(
SELECT id
FROM cronschedule ii
ORDER BY
id ASC
LIMIT 900
) i2
ON cr.id = i2.id
WHERE i2.id IS NULL;
这似乎有效
DELETE cr.*
FROM cronschedule cr
LEFT JOIN
(
SELECT id
FROM cronschedule ii
ORDER BY
id ASC
LIMIT 900
) i2
ON cr.id = i2.id
WHERE i2.id IS NULL;
这似乎有效
DELETE cr.*
FROM cronschedule cr
LEFT JOIN
(
SELECT id
FROM cronschedule ii
ORDER BY
id ASC
LIMIT 900
) i2
ON cr.id = i2.id
WHERE i2.id IS NULL;
这似乎有效
DELETE cr.*
FROM cronschedule cr
LEFT JOIN
(
SELECT id
FROM cronschedule ii
ORDER BY
id ASC
LIMIT 900
) i2
ON cr.id = i2.id
WHERE i2.id IS NULL;
我希望这比您使用
LEFT JOIN/IS NULL
构造的答案更有效:
DELETE cr.*
FROM cronschedule cr
JOIN
(
SELECT id
FROM cronschedule ii
ORDER BY
id ASC
LIMIT 1 OFFSET 900
) i2
ON cr.id >= i2.id ;
我希望这比您使用
LEFT JOIN/IS NULL
构造的答案更有效:
DELETE cr.*
FROM cronschedule cr
JOIN
(
SELECT id
FROM cronschedule ii
ORDER BY
id ASC
LIMIT 1 OFFSET 900
) i2
ON cr.id >= i2.id ;
我希望这比您使用
LEFT JOIN/IS NULL
构造的答案更有效:
DELETE cr.*
FROM cronschedule cr
JOIN
(
SELECT id
FROM cronschedule ii
ORDER BY
id ASC
LIMIT 1 OFFSET 900
) i2
ON cr.id >= i2.id ;
我希望这比您使用
LEFT JOIN/IS NULL
构造的答案更有效:
DELETE cr.*
FROM cronschedule cr
JOIN
(
SELECT id
FROM cronschedule ii
ORDER BY
id ASC
LIMIT 1 OFFSET 900
) i2
ON cr.id >= i2.id ;
在(SELECT…LIMIT x)中使用
的语法在MySQL中也不起作用。另外,您错过了WHERE
子句。在(SELECT…LIMIT x)
中使用的语法在MySQL中也不起作用。另外,您错过了WHERE
子句。在(SELECT…LIMIT x)
中使用的语法在MySQL中也不起作用。另外,你错过了WHERE
子句。在(SELECT…LIMIT x)
中使用的语法在MySQL中也不起作用。另外,你错过了WHERE
子句。接受作为一种比我想象的更好的方法,干杯+向你致意并接受。接受比我想象的更好,干杯+向你致意并接受。接受比我想象的更好,干杯+向你致意并接受。接受比我想象的更好,干杯+我向你致意并接受了。