为您找到相关结果32个
oracle中添加删除主键的方法_oracle_脚本之家
1、创建表的同时创建主键约束(1)无命名create table student ( studentid int primary key not null, studentname varchar(8), age int);(2)有命名create table students ( studentid int , studentname varchar(8), age int, constraint yy primary key(studentid));2、删除表中已有的主键约束(1)有命名al...
www.jb51.net/article/102176.htm 2017-1-5
Oracle数据库部分迁至闪存存储的实现方法_oracle_脚本之家
alter database add logfile THREAD 1 group 11 '/flash/oradata/jydb5/redo11.log' SIZE 2147483648; alter database add logfile THREAD 1 group 12 '/flash/oradata/jydb5/redo12.log' SIZE 2147483648; alter database add logfile THREAD 1 group 13 '/flash/oradata/jydb5/redo13.log' SIZE 21474836...
www.jb51.net/article/1318...htm 2024-6-1
Oracle数据库 DGbroker三种保护模式的切换_oracle_脚本之家
StandbyArchiveLocation ='/u01/app/oracle/oradata/ATEST/archivelog' AlternateLocation ='' LogArchiveTrace ='0' LogArchiveFormat ='%t_%s_%r.dbf' TopWaitEvents ='(monitor)' DatabaseStatus: SUCCESS c.如果LogXptMode的值为async,就要将其修改为sync 1 2 DGMGRL> editdatabaseatest1setproperty logxpt...
www.jb51.net/article/767...htm 2024-6-2
oracle数据库创建备份与恢复脚本整理_oracle_脚本之家
tempfile 'D:\app\topwqp\oradata\orcl\user_temp.dbf' size 500m autoextend on next 50m maxsize 2048m extent management local; create tablespace ts_mydb logging datafile 'D:\app\topwqp\oradata\orcl\ts_mydb.dbf' size 500m autoextend on ...
www.jb51.net/article/370...htm 2024-6-2
google hack dat 又增加的一些比较新的数据_漏洞研究_脚本之家
"ORA-00921: unexpected end of SQL command";%22ORA-00921%3A+unexpected+end+of+SQL+command%22&btnG=Search "Unclosed quotation mark before the character string";%22Unclosed+quotation+mark+before+the+character+string%22&btnG=Search "PostgreSQL query failed: ERROR: parser: parse error";%22PostgreS...
www.jb51.net/article/63...htm 2024-6-2
CSS框架开发指南_CSS教程_CSS_网页制作_脚本之家
top:20px; left:20px; background-color:red; font-size: 1.5em; text-transform:uppercase; } 下面,你需要在网站的其他区域使用该组件,那么上面的这个代码明显是错误的,不可重用的。 问题的关键是你让.widget这个选择器做的事情太多,不仅对该组件的位置进行了规定,还对它的外观和感觉方面进行了样式。外观和...
www.jb51.net/css/3555...html 2024-6-1
pygame实现贪吃蛇小游戏_python_脚本之家
self.image_rect.top=rect.top-200 defupdate(self): pass defchangeText(self,text): self.image=self.font.render(text,True,self.text_color,self.color) defdraw_bullet(self): self.screen.blit(self.image,self.image_rect) #pygame.draw.rect(self.screen, self.color, self.rect) ...
www.jb51.net/article/2344...htm 2024-6-2