插入数据时候,引用了数据库名,数据库名中有横线,会提示错误: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right sy ntax to use near '-all.db1(operation
rhel6.4 安装nodejs和Mysql DB服务 安装好redhat6.4虚拟机后, 安装软件: # yum install gcc-c++ openssl-devel Loaded plugins: product-id, security, subscription-manager This system is not registered to Red Hat Subscription Management. You can use subscription-manager to r
其实,我不是专业的DB管理同学,甚至算不上会了解.只是在最近的工作中,遇到了DB server端优化的契机,所以把这些手段记录下来: 通过调整这个参数的值,可以让DB更给力: 这两个参数的含义: 1. sync_binlog 设置为1,this makes MySQL synchronize the binary log's contents to disk each time it commits a transaction. 设置为1000,那么意味着缓存里缓存了1000条数据,如果此时se
对于开发来说重要的是按照规范进行开发. 昨天自己在进行开发测试的时候,编写mysql 的一个存储过程 ,代码是比较简单的 就是根据名称查询对应的数据并返回 DELIMITER // CREATE PROCEDURE proc1(name int) BEGIN select * from table_name where name=name; END // 大家可能注意到了一个变量名称 name 因为我的数据库中的一个字段的名称也是name 按照传统编程语言传递参数的特点查询应该是没有问题的,但是
desc cwd_user show columns from cwd_user select COLUMN_NAME from information_schema.columns where table_name='cwd_user' and table_schema='jiradb' 1.进入Mysql,将数据导成CVSselect * from test_info into outfile '/tmp/test.csv' fields terminated by ',' optional
Copying is very simple for MyISAM and completely 100% risky (near suicidal) with InnoDB. From your question, you brought up cp /db1/mytable.frm /db2/mytable.frm MyISAM This is OK to do. However, you cannot just move the .frm. You must move all compon
The Python Database API is described in PEP 249. MySQL has three prominent drivers that implement this API: MySQLdb is a native driver that has been developed and supported for over a decade by Andy Dustman. mysqlclient is a fork of MySQLdb which not
