7.In a network database, a node can be traced down through different branches.
举一反三
- There are different ch__________ through which we can learn about new clients.
- When using network resources,if it is the network resources of ____, and can be obtained through purchase, it means that it can be used commercially. A: Illegal releasing B: embezzlement release C: original release D: modifying the publication
- A tabular database ,a distributed database and an object-oriented database are different databases.
- Which statements are true regarding listeners（） A: Listeners use only the TCP/IP protocol. B: Multiple listener processes can run simultaneously on a host. C: Multiple database instances can be registered with a single listener. D: The listener-related errors can be traced only at the administrative level. E: Only one database instance can be registered with a single listener at any time
- Which statements are true regarding listeners（） A: AListeners use only the TCP/IP protocol. B: BMultiple listener processes can run simultaneously on a host. C: CMultiple database instances can be registered with a single listener. D: DThe listener-related errors can be traced only at the administrative level. E: EOnly one database instance can be registered with a single listener at any time