ÈçºÎ²é¿´mysqlÔËÐС¢·ÃÎʼǼµÈÈÕÖ¾
1.Ê×ÏÈÈ·ÈÏÄãÈÕÖ¾ÊÇ·ñÆôÓÃÁË
mysql>show variables like 'log_bin';
mysql>show variables like 'log';
2.Èç¹ûÆôÓÃÁË£¬¼´ON
Èç¹ûûÓÐÆôÓ㬼´OFF£¬
ÒªÐÞ¸Ämy.cnf
# The MySQL server
[mysqld]
# Uncomment the following if you want to log updates
log-bin
log
ÄÇÈÕÖ¾Îļþ¾ÍÔÚmysqlµÄ°²×°Ä¿Â¼µÄdataĿ¼ÏÂ
3.ÔõÑùÖªµÀµ±Ç°µÄÈÕÖ¾
mysql> show master status; 4.¿´¶þ½øÖÆÈÕÖ¾ÎļþÓÃmysqlbinlog
shell>mysqlbinlog mail-bin.000001
»òÕßshell>mysqlbinlog mail-bin.000001 | tail
Windows ÏÂÓÃÀàËÆµÄÃüÁî
Ïà¹ØÎĵµ£º
MySQLµÄÒ²Ö§³Ö´æ´¢¹ý³Ì£¬º¯Êý£¬´¥·¢Æ÷¡£
ÒÔϸ÷¸ö¹¦ÄܵÄÏêÊö£¬Ö÷ÒªÊÇʾÀý¡£
/**1.¶¨Òå·Ö¸î·û*/
DELIMITER //
/**2.´´½¨º¯Êý-¼ÆËãÁ½ÊýÖ®ºÍ*/
CREATE FUNCTION f_sum(num1 INT,num2 INT) RETURNS INT
BEGIN
RETURN num1+num2;
END;
//
/**
*3.´´½¨´æ´¢¹ý³Ì
*˼·£º3.1.Óиô洢¹ý³ÌÔòɾ³ý£¬3.2ÓÐʹÓõÄÖмä±í ......
MySQL ÖÐÎÄÏÔʾÂÒÂë
Èç¹ûÄãÓöµ½ÂÒÂëÎÊÌ⣬¿ÉÒÔ´ÓÏÂÃæ¼¸¸öÎÊÌâÖð²½¼ì²é£º
£¨1£©¼ì²éÄãµÄÎļþ´æ´¢±àÂëÊÇ·ñºÍ meta ÉùÃ÷µÄÒ»Ö£¬¼ÙÈçÄãµÄÎļþÊǰ´ÕÕ utf-8 ±àÂë´æ´¢£¬µ«ÊÇ meta È´ÉùÃ÷Ϊ gb2312 £¬½«µ¼ÖÂÂÒÂë¡£
½â¾ö°ì·¨£º½«Ò³Ãæ´æ´¢±àÂëºÍ meta ÉùÃ÷±£³ÖÒ»Ö¡£ÓüÇʱ¾ ......
DAT_E,TIM_E,DAT_ETIME,TIM_ESTAMP,Y_EAR
MySQLÖ§³Ö¶àÖÖ¸ñʽ»¯·½Ê½£¬²åÈëʱ¿ÉÒÔÊÇ×Ö·û´®£¬¿ÉÒÔʹÊý×Ö¡£
MySQL´ú±í×Ö·û´®µÄ·½Ê½ÓÐÁ½ÖÖ£¬Ò»Êǵ¥ÒýºÅ£¬ÁíÒ»ÖÖÊÇË«ÒýºÅ¡£
ÓÖÒ»´ÎÌύʧ°Ü£¬¿´À´CSDNµÄBUG»¹ÊǺܴóµÄ¡£
ÔÒò»ù±¾È·¶¨£¬ÊÇÒòΪDATE£¬TIME£¬DATETIME£¬TIMESTAMP£¬YEARΪMySQLÊý¾ÝµÄ¹Ø¼ü×Ö£¬Ò²ÊÇÆäËûÊý¾Ý¿âµÄ¹Ø¼ü× ......
//µ¼³ö
String mysql="mysqldump -uroot -proot --opt databasename > d:/test.sql";
java.lang.Runtime.getRuntime().exec("cmd /c "+mysql);
//µ¼Èë
String mysql="mysqladmin -uroot -proot create databasename";
java.lang.Runt ......