dual hub

The dual-tube telescope is a useful astronomical observation tool. You can use it to watch a game, concert, or birds in the sky. You can also use it to enjoy the galaxy, the crater on the moon, several satellites around Jupiter and countless stars 2 million light years away. Many people mistakenly think that the dual-tube telescope is not used for astronomical observation. In fact, it is a favorite tool of

Recently, Oracle encountered a special table dual. I think oracle users have a special liking for dual. As a result, I found some posts on the Internet and thought it would be better to post them here for everyone to learn. Dual is a virtual table used to form the select syntax rule. Oracle ensures that there will always be only one record in

Problems caused by table sys. dual being cleared A few days ago, I received a report from the application staff saying that the application could not connect to the database and reported the ORA error. This is an Oracle 9.2.0.8 RAC database (it has a long history ), the following error is reported when you manually connect to sqlplus:Tstdb1 @ jq570322b:/home/tstdb1> sqlplus wangguan/773946 @ tstdb1 SQL * Plus: Release 9.2.0.8.0-Production on Fri Nov 1

It is reported that China Unicom to "World Wind" named dual-mode mobile phone and dual-mode business will be formally presented in the end of July in front of Chinese users. The meaning of the dual-mode mobile phone is to provide a seamless mobile communication experience for the end users, so that those who are often in the mobile business people truly realize t

Server problem One: What are the advantages of dual core? What are the main areas of application? Peng: Dual-core processors can improve data center productivity without altering the infrastructure, because of the great advantages of dual-core processors in terms of price/performance, effectiveness, and scalability. Server consolidation will become more affordabl

fixed DHCP of Route B Step 3) change the lan ip address of Route B to an IP address in the same address pool of route. See: Achieve shared Internet access through dual-router connection Call the router connected to the MODEM 1) and the router connected to the computer 2! Settings: 1. Set Route 1 to the default value of the factory. Use a dynamic IP address to access the Internet and clone the MAC of a computer to the MODEM. 2. Set Route 2 as the rou

First, Application Introduction Some dual-frequency routers support file sharing, the mobile storage devices (such as U disk, mobile hard disk, etc.) connected to the router's USB interface, the LAN terminal equipment can access the resources of mobile storage devices, easy to achieve file sharing. Take the dual-frequency cloud router As an example, this article describes the mobile phone

Dual is a virtual table used to form the select syntax rule. Oracle ensures that there will always be only one record in dual. We can use it to do a lot of things, as shown below: 1. view the current user. You can execute the following statement Select User from dual in SQL plus; 2. Used to call system functions Select to_char (sysdate, 'yyyy-mm-dd hh24: MI: ss')

Dual-router connection shared Internet connection implementation vro connection environment description to achieve simultaneous Internet access on five computers, there are two routes: TP-LINK 40 m and TP-LINK 402 router connection method www.2cto.com how to connect to make 5 computers at the same time the Internet? How do I set the route entry?The specific method is as follows: the wan port of the first router is empty. The lan port is used to connec