Answer:
ring network
Explanation:
In a ring network, the nodes are arranged in a circular pattern where each node is connected to two adjacent nodes. In this topology, any node can communicate with any other node via the intermediaries.
In comparison,
- in a star network every communication needs to pass through a central hub node
- in a bus, each node is connected to a shared linear communication bus.
- in a hierarchical network nodes are organized along a tree structure layout.
Answer:
Self Join
Explanation:
Required
The type of JOIN
Notice that the given query joins the customer table and the order table without using the keyword join.
SQL queries that join tables without using the keyword is referred to as self join.
<em>Other types of join will indicate the "join type" in the query</em>
Explanation:
Once a virus has successfully attached to a program, file, or document, the virus will lie dormant until circumstances cause the computer or device to execute its code. In order for a virus to infect your computer, you have to run the infected program, which in turn causes the virus code to be executed.
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