mysql> \! perror 6 OS error code 6: No such device or address

61.3.1. ERROR 1153 (08S01) at line 3168: Got a packet bigger than 'max...

【mysql】  【主机】   点击查看原文>

目录 61.1. Reset root password 重置MySQL root密码 61.2. 数据库内容替换 61.3. 查看错误代码 61.3.1. ERROR 1153 (08S01) at line 3168: Got a packet bigger than 'max_allowed_packet' bytes 61.

【faq】  【mysql】  【Oracle】  【centos】  【Server】  【update】  【Socket】   …

  #!/bin/bash HOST='localhost' USER='neo' PASS='chen' SDB='neo' TDB='netkiller' MYSQLDUMP="mysqldump" MYSQLDUMPOPTS="-h${HOST} -u${USER} -p${PASS}" ...

【mysql】  【SQL】  【数据库】  【Create】  【database】  【sed】  【Bash】   点击查看原文>

CASE mysql> SELECT CASE 1 WHEN 1 THEN 'one' -> WHEN 2 THEN 'two' ELSE 'more' END; -> 'one' mysql> SELECT CASE WHEN 1>0 THEN 'true'...

【mysql】  【test】   点击查看原文>

SELECT NOW(),CURRENT_TIMESTAMP(),SYSDATE();

53.5.1. year/month/day hour:minite:second

mysql> select year('2012-03-20'); +-----------...

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53.6.1. cast 类型转换

mysql> SELECT cast(SUBSTRING('123456789',1,4) as UNSIGNED) * 100; +-------------------------------------------------...

【mysql】  【函数】   点击查看原文>

53.4.1. LEFT/RIGHT

LEFT(str,len) mysql> select left(concat('1','0000000'),5) as number; +--------+ | number | +--------+ | 10000 | +--------+ 1 row in set (0.

【mysql】  【string】  【Mobile】   点击查看原文>

函数会返回数据，调用函数使用 select fun(),不能使用call调用，否则提示 mysql> call myfun(); ERROR 1305 (42000): PROCEDURE test.

【mysql】  【函数】  【SQL】  【Create】  【timestamp】  【Security】   点击查看原文>

50.7.1. 存储程序

存储过程没有返回数据，需使用call proc()调用 CREATE DEFINER=`neo`@`%` PROCEDURE `angelfund`(IN `puid` VARCHAR(50), IN `ptime` DATETIME) LANGUAGE...

【mysql】  【SQL】  【test】  【schema】  【Create】  【存储过程】  【varchar】   …

mysql> SHOW VARIABLES LIKE '%partition%';

+-------------------+-------+ | Variable_name | Value | +-------------------+-------+ | have_partiti...

【mysql】  【BY】  【HASH】  【Create】  【varchar】  【myisam】   点击查看原文>