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外匯交易如何獲利

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TruLaser 3040 laser cutting machine with the RotoLAS option for tube cutting

Oracle中with admin option 与with grant option 的区别

2、给一个用户授予系统权限带上with admin option 时,此用户可把此系统权限授予其他用户或角色,但收回这个用户的系统权限时,这个用户已经授予其他用户或角色的此系统权限不会因传播无效,如授予A系统权限create session with admin option,然后A又把create session权限授予B,但管理员收回A的create session权限时,B依然拥有create session的权限,但管理员可以显式收回B create session的权限,即直接revoke create session from B.

而with grant option用于对象授权时,被授予的用户也可把此对象权限授予其他用户或角色,不同的是但管理员收回用with grant option授权的用户对象权限时,权限会因传播而失效,如:grant select on 表名 to A with grant option;,A用户把此权限授予B,但管理员收回A的权限时,B的权限也会失效,但管理员不可以直接收回B的SELECT ON TABLE 权限。 执行授权语句报错(ora-01031,ora-01929)时,可参考一下。

As the workload grew, Koskinas decided to buy TruLaser 3040 + RotoLAS with Metalix

Koskinas from Thessaloniki, Greece, has been producing sheet metal products for over 70 years, starting with parts for constructions and advancing to different types of products and services such as gas heaters, and mobile toilets.


Mobile toilets

As the workload grew, Mr. Nikos Koskinas decided to buy a laser cutting machine, which also had the option to cut tubes. He chose the TruLaser 3040 with the RotoLAS option, and Metalix to program both his sheet metal parts and tubes.Ioption用户评价


Nikos Koskinas and Rami Baruch and the 3040 RotoLAS


TruLaser 3040 laser cutting machine with the RotoLAS option for tube cutting

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