网上的都是一些静态的,用CASE WHEN结构实现。所以我写了一个动态的。 SP 代码: DELIMITER $$ DROP PROCEDURE IF EXISTS `test`.`sp_row_column_wrap`$$ CREATE DEFINER=`root`@`localhost` PROCEDURE `sp_row_column_wrap`(IN $schema_name varchar(64), IN $table_name varchar(64)) BEGIN declare cnt int(11); declare $table_rows int(11); declare i int(11); declare j int(11); ...
by shark888 - MySQL文档中心 - 2008-05-15 15:41:54 阅读(1002) 回复(0)
网上的都是一些静态的,用CASE WHEN结构实现。所以我写了一个动态的。 DELIMITER $$ DROP PROCEDURE IF EXISTS `test`.`sp_row_column_wrap`$$ CREATE DEFINER=`root`@`localhost` PROCEDURE `sp_row_column_wrap`(IN $schema_name varchar(64), IN $table_name varchar(64)) BEGIN declare cnt int(11); declare $table_rows int(11); declare i int(11); declare j int(11); declare s int(11); declare str var...
$sth = $dbh->prepare ("load data infile 'd:/test/test.csv' into table account_tmp fields terminated by ',' ENCLOSED BY '"' LINES TERMINATED BY '\r\n'"); $sth->execute (); $sth->finish (); 為什麽執行就出問題,但是copy load data infile 'd:/test/test.csv' into table account_tmp fields terminated by ',' ENCLOSED BY '"' LINES TERMINATED BY '\r\n'到mysql中運行是正常的
$sth = $dbh->prepare ("load data infile 'd:/test/test.csv' into table account_tmp fields terminated by ',' ENCLOSED BY '"' LINES TERMINATED BY '\r\n'"); $sth->execute (); $sth->finish (); 為什麽執行就出問題,但是copy load data infile 'd:/test/test.csv' into table account_tmp fields terminated by ',' ENCLOSED BY '"' LINES TERMINATED BY '\r\n'到mysql中運行是正常的
以前写的,笨办法,不知道大家有什么好的办法没有? 表结构: /*DDL Information For - t_girl.yld1*/ ------------------------------------- Table Create Table ------ --------------------------------------------------------- yld1 CREATE TABLE `yld1` ( `id` int(11) default NULL, ...
我有一个表,想删除里面ID为1000至2000的一千行数据 delete语句中limit子句不支持选择性的删除、各位有什么好办法吗 同理这一千行数据如果有一个字段为空,我现在想给这个字段增加内容,如何更快速可以输入进去。我目前的做法只是 insert into tal_name(col_name) values(内容); 这样一条一条的写 很浪费时间
freebsd# cd /usr/local/mysql/bin freebsd# ./mysqld_safe --user=mysql Starting mysqld daemon with databases from /usr/local/mysql/var 以下的動作是自動產生的,我沒有輸入半點語句。 Killed Number of processes running now: 0 031016 11:10:15 mysqld restarted Killed Number of processes running now: 0 031016 11:14:05 mysqld restarted Killed Number of processes running now: 0 031016 11:15:03 mysqld ...
# at 1577989 # at 1578065 #090315 11:06:57 server id 12 end_log_pos 316639465 Table_map: `hedb`.`he_id` mapped to number 2001 #090315 11:06:57 server id 12 end_log_pos 316639631 Update_rows: table id 2001 flags: STMT_END_F 这number 2001 这个2001指的是什么啊,谁知道,谢谢啦