What does a join do? When is a join useful?
What will be an ideal response?
A join ties together two (or more) rows, each from a (usually) different
table, by means of a relationship between values in two (or more) columns,
one from each table.
A join is useful when you have two tables with a like column. It allows you
to view data from the two tables related by the like column.
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A ________ is a collection of design elements, fonts, colors, and graphics that create a uniform look for a presentation
A) layout B) pattern C) illustration D) theme
Which of the following is true of wireless VLANs in which the AP is responsible for separating packets for the correct VLAN?
A. different VLANs are transmitted by the AP on the same IP subnet B. different VLANs are transmitted by the AP on different subnets C. different VLANs are transmitted by the AP on the same SSID D. different VLANs are transmitted by the AP on different SSIDs
Which of the following is true of broadcast radio with regard to physical transmission media?
A. It is slower and more susceptible to noise. B. It is slower and less susceptible to noise. C. It is faster and more susceptible to noise. D. It is faster and less susceptible to noise.
The ____ controls the computer's operations.?
A. ?device driver B. ?form factor C. ?memory D. ?processor