安裝MYSQL不成功,一般是因為伺服器可能安裝過MYSQL而沒有完全卸載。如遇到MYSQL啟動不了的下列情況:無論雙擊mysqld.exe還是使用命令列,都沒反映。查看我的電腦->管理->服務與應用程式->服務->mysql->啟動,得到的結果為路徑錯誤或意外終止,則需卸載服務然後重裝。具體卸載方法如下卸載mysql服務 建立並編輯內容如下的一個bat檔案執行之@ECHO OFF net stop mysql c:/mysql/bin/mysqld-nt.exe -
運行blob測試程式,資料有點大,32M,結果報出了下面的異常資訊: com.mysql.jdbc.PacketTooBigException: Packet for query is too large (37748784 > 1048576). You can change this value on the server by setting the max_allowed_packet' variable. at
1.select max(id) from user;2.select last_insert_id() as id from user limit 1; (這個測試的返回id一直是0,有點問題)3.儲存過程1)oracel中create sequence seqIDminvalue 1maxvalue 999999999999999999999999999start with 1increment by 1nocacheorder;create or replace procedure
1.修改列預設值mysql> alter table mail_user_record alter work_exp_id set default 0; 2.增加枚舉列mysql> alter table mail_user_record add is_proof enum('0','1');3.修改枚舉預設值mysql> alter table mail_user_record
http://dev.mysql.com/doc/refman/5.0/en/identifier-case-sensitivity.html How table and database names are stored on disk and used in MySQL is affected by the lower_case_table_names system variable, which you can set
一、下載MySql 除了yum install mysql mysql-server白癡安裝方法外,這次想用rpm包進行安裝。進入http://www.mysql.com/downloads/,發現MySql的版本有社區版和商業版,後者是要收費的。一般都用community版。進去後看到標題 “MySQL Community Server 5.6.10”,仔細一看裡面要求glibc的版本是glibc