Design an algorithm for incremental maintenance of a join index for a multiway star join.
What will be an ideal response?
With a star join of the form r cond1 r1cond2 r2 ...condn rn we maintain n binary join indices, for r cond1 r1, r cond2 r2, etc. The maintenance algorithm for these was described in Exercise 9.24.
You might also like to view...
Which of the following configuration passes is used to apply packages to a Windows 10 image after it is copied to the computer hard drive, but before it is running?
A. windowsPE B. offlineServicing C. specialize D. oobeSystem
The Step and Repeat feature in InDesign offers a quick solution for creating multiple identical objects spaced evenly apart from each other.
Answer the following statement true (T) or false (F)
You can group images in three ways: ________, stack, or slide show
Fill in the blank(s) with correct word
The default summary function for a data fields containing numbers in an Excel PivotTable is:
A) Count. B) Average. C) Max. D) Sum.