Background Lots of Demos(That’s it.)

Slides:

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Presentation transcript:

Background Lots of Demos(That’s it.)

… … Frames – as many as you need

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

ROWS BETWEEN 1 PRECEDING AND CURRENT ROW ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING

Ranking ROW_NUMBER RANK DENSE_RANK Analytic Offset LAG LEAD Aggregate SUM AVG COUNT MIN MAX Analytic Framed FIRST_VALUE LAST_VALUE

Window functions make complex T-SQL much easier Performance, on the other hand, is up to you Be creative! There are endless use cases for these features Beware of RANGE mode