An indirect benefit of setting table relationships is that it can assist the database developer and the users when creating a ________ record source
Fill in the blank(s) with correct word
multi-table
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Each type of data has special ____________________ characteristics that help to identify its purpose.
Fill in the blank(s) with the appropriate word(s).
Memory management is intrinsically linked with ____ management when memory is used to buffer data between a very fast processor and slower secondary storage devices.
A. device B. disk C. process D. processor
Good techs bring essential software tools to every troubleshooting scenario. Name two types of tasks performed by software in a troubleshooting situation.
What will be an ideal response?
Write a recursive SQL query that returns tuples of the form From,To,Distance, which represent direct or indirect ?ights (i.e., ?ights composed of one or more segments) and the aggregate distance over all segments for each such ?ight. (If there are several ways to reach B from A and the total distance is di?erent in each case, then the output would have several tuples such as A,B,1000,
A,B,1500, etc.) The exact query is: Find al l tuples of the above form provided that the distance is less than 10,000 . Consider the following relational schema:
DirectFlight(From,To,Distance)