运行mysql时,提示Table ‘performance_schema.session_variables’ doesn’t exist 解决的方法是: 再次运行mysql,就解决了。 注意,两步缺一不可。 ...
                            
                            
                                分类:
数据库   时间:
2017-04-05 11:38:59   
                                阅读次数:
187
                             
                    
                        
                            
                            
                                #ExampleMySQLconfigfileforsmallsystems.#数据库最小系统配置文件样例#Thisisforasystemwithlittlememory(<=64M)whereMySQLisonlyused
#fromtimetotimeandit‘simportantthatthemysqlddaemon
#doesn‘tusemuchresources.#这个配置时为内存比较小的系统且数据库不连续使用的系..
                            
                            
                                分类:
数据库   时间:
2017-03-25 21:11:41   
                                阅读次数:
1073
                             
                    
                        
                            
                            
                                Problem Description Zero has an old printer that doesn't work well sometimes. As it is antique, he still like to use it to print articles. But it is t ...
                            
                            
                                分类:
其他好文   时间:
2017-03-23 21:45:32   
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286
                             
                    
                        
                            
                            
                                报错: Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist 因此当遇到Unable to open underlying table which is  ...
                            
                            
                                分类:
数据库   时间:
2017-03-22 15:02:01   
                                阅读次数:
321
                             
                    
                        
                            
                            
                                (1)在python中,可以用单引号(’’)或者双引号(“”)来表示字符串,效果都是一样的,可以用‘/’来进行特殊字符的转义。>>>‘spameggs‘#singlequotes‘spameggs‘>>>‘doesn\‘t‘#use\‘toescapethesinglequote..."doesn‘t">>>"doesn‘t"#...orusedoubl..
                            
                            
                                分类:
编程语言   时间:
2017-02-20 23:24:37   
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281
                             
                    
                        
                            
                            
                                    E. Product Sum Blake is the boss of Kris, however, this doesn't spoil their friendship. They often gather at the bar to talk about intriguing problems ...
                            
                            
                                分类:
其他好文   时间:
2017-02-19 15:37:04   
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272
                             
                    
                        
                            
                            
                                添加用户 insert into mysql.user(Host,User,Password) values("localhost","test",password("1234")); 报以下的错误 ERROR 1364 (HY000): Field 'ssl_cipher' doesn't hav ...
                            
                            
                                分类:
数据库   时间:
2017-02-12 01:03:19   
                                阅读次数:
333
                             
                    
                        
                            
                            
                                字符串可以用单引号('...')或双引号("...")来表示,\可以用来转义引号; 情形一:如果字符串中没有单引号而只有双引号,就用单引号来引用,否则用双引号引用。 比如要打印: doesn't: >>>"doesn't" "yes",he said >>>'"yes",he said ' 或者,使 ...
                            
                            
                                分类:
编程语言   时间:
2017-02-11 13:44:00   
                                阅读次数:
162
                             
                    
                        
                            
                            
                                1、问题:Windows下安装mysql,启动mysqld报错[ERROR]Fatal error: Can't open and lock privilege tables: Table 'mysql.user' doesn't exist 理解:zip方式安装的mysql,没有初始化数据库 解决 ...
                            
                            
                                分类:
数据库   时间:
2017-02-03 19:44:53   
                                阅读次数:
246
                             
                    
                        
                            
                            
                                    Get-MailboxStatistics cmdlet gives TotalItemSize which is the mailbox size. But the TotalItemSize doesn’t contain the mailbox size in numbers, it’s a  ...
                            
                            
                                分类:
系统相关   时间:
2017-01-22 16:46:46   
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266