Explain about aggregations, Computer Engineering

Assignment Help:

OLAP can process difficult queries and give the output in less than 0.1 seconds, for it to achieve like performance OLAP uses aggregations. Aggregations are built by aggregating and changing the data with the dimensions. Possible combination of aggregations can be determined by the combination possibilities of dimension granularities.

Related Discussions:- Explain about aggregations

Eequivalences rules, Eequivalences rules: This conveys a meaning that ...

Eequivalences rules: This conveys a meaning that is actually much simpler so than you would think on first inspection. Hence we can justify this, by using the following ch

Which method is used for resolving data dependency, Which method is used fo...

Which method is used for resolving data dependency conflict by the compiler itself? (A) Delayed load. (B) operand forwarding. (C) Pre fetch target instruction. (D) loo

#logic function, Minimize the following logic function using K-maps and rea...

Minimize the following logic function using K-maps and realize using NAND and NOR gates. F(A,B,C,D) =?_m(1,3,5,8,9,11,15) + d(2,13).

A variable number of input arguments, Write a function that will get a vari...

Write a function that will get a variable number of input arguments: the length and width of a rectangle, and possibly also the height of a box that has this rectangle as its base.

Data base, why to learn data base?

why to learn data base?

Determine about the stack organization, Stack Organization The CPU of t...

Stack Organization The CPU of the most computers comprises of stack or called as last-in-first-out (LIFO) list in which information is stored in such a manner that item stored

Complexity of sequential search, Specified the average case complexity of s...

Specified the average case complexity of sequential search in an array of unsorted elements of size n if the following conditions hold: a) Probability of the key to be in the a

Bit manipulation techniques, We can also use the logical operators to numbe...

We can also use the logical operators to numbers directly and perform simple bit manipulation . The operators are & Bitwise AND | Bitwise OR ^ Bitwise exclusiv

Explain the e-cheques verses credit cards in brief, Explain the E-cheques v...

Explain the E-cheques verses Credit Cards in brief. E-cheques: E-cheques are utilized for business dealing into e-commerce. Transactions of such cheques take place onto Inter

What do you mean by shared memory, Q. What do you mean by Shared Memory? ...

Q. What do you mean by Shared Memory? In shared memory scheme more focus is on controlling parallelism instead of data parallelism. In this model numerous processes run indepen

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages