Windowing Functions Flashcards

1
Q

Group streaming events that arrive at a similar time & filter out time periods where no data exists

Session, tumbling, sliding, hopping

A

Session

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2
Q

Segment data into distinct time segments

Session, tumbling, sliding, hopping

A

Tumbling

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3
Q

Produces output when an event occurs

Session, tumbling, sliding, hopping

A

Sliding

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4
Q

Looks backwards to determine when an event occurs. Events can overlap

A

Hopping

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5
Q

Group events that arrive at a similar time and filter out periods where no data exists

A

Session

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6
Q

Count the number of events that are received per time zone every minute

A

Tumbling

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7
Q

Count the number of events received in a time zone during the last 30 seconds. If there are none, no output should be displayed

A

Sliding

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8
Q

Retrieve the number of events every five seconds by time zone during the last 30 seconds. Events can overlap. Output should be generated even if there are no events

A

Hopping

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