[root@localhost mysql]# ./scripts/mysql_install_db  --user=mysql FATAL ERROR: please install the following Perl modules before executing ./scripts/mysql_install_db:Data::Dumper 解决办法(安装perl跟perl-devel即可): 执行  yum -y install perl perl-devel 后在初始化数据库即可.…

通过RPM包CentOS7 安装MySQL的时候提示“Can't locate Data/Dumper.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at /usr/bin/mysql_install_db l…

初始化默认数据库运行此命令:/usr/local/mysql/scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql/ 出现错误:      FATAL ERROR: please install the following Perl modules before executing /usr/local/mysql/scripts/mysql_install_db: Data::Dumper        解决方法 :安…

如题,安装mysql过程中,执行scripts/mysql_install_db --user=mysql命令时报错: FATAL ERROR: please install the following Perl modules before executing ./scripts/mysql_install_db: Data::Dumper 按照提示安装autoconf库即可,执行命令: yum -y install autoconf 安装成功后如下: 再次执行scripts/mysql_in…

步骤 安装包:mysql-cluster-gpl-7.3.5-linux-glibc2.5-x86_64.tar.gz 下载解压到/usr/local/mysql mkdir /usr/local/mysql tar -zxvf mysql-cluster-gpl-7.3.5-linux-glibc2.5-x86_64.tar.gz -c /usr/local/mysql 报错 FATAL ERROR: please install the following Perl modules befo…

mysql ado.net connector下载地址: http://dev.mysql.com/downloads/connector/net/ 选择版本: Generally Available Releases(1)是发布版(bug什么的较少的版本吧),而Development Releases(2)是开发版 我们采用1版本 Windows (x86, 32-bit), MSI Installer 该版本是window下的安装版,如果你安装了这个版本的话,在本机调试的时候可以不用再次注册…

allow zero datetime=true导致datetime转换失败:MySql.Data.Types.MySqlDateTime”的对象无法转换为类型“System.Nullable`1[System.DateTime] 做反射转换时遇到该问题 mysql连接字符串去掉allow zero datetime=true,否则返回的日期会是MySql.Data.Types.MySqlDateTime类型,而不是DataTime…

本文涉及到的mysql知识点: mysql中的if条件语句用法: IF(expr1,expr2,expr3) mysql使用变量(mysql中变量不用事前申明) mysql事务 testcase 为了测试mysql事务,写了个testcase, using Microsoft.VisualStudio.TestTools.UnitTesting; using MySql.Data.MySqlClient; using System; using System.Collections.Generi…

insert INTO stu(name) VALUES('maimai'); set @ReturnValue=@@IDENTITY; string sql="insert INTO stu(name) VALUES(@name);set @ReturnValue=@@IDENTITY; MySqlParameter[] parameters = { new MySqlParameter("@name", MySqlDbType.VarChar,100),MySqlDbTy…

wget http://dev.mysql.com/get/Downloads/Connector-Net/mysql-connector-net-6.8.3-noinstall.zipunzip mysql-connector-net-6.8.3-noinstall.zip # Rename Files to Linux$ mv v2.0/mysql.data.cf.dll v2.0/MySql.Data.CF.dll$ mv v2.0/mysql.data.dll v2.0/MySql.Da…