holographic cube

Oracle basic command: group by cube (Field List );The CUBE command generates different permutation and Combination Based on the field list, and generates statistical summary based on each combination result.For example: group by cube (city, job, age); shows the result of the permutation and combination: 1) city, job, age2) city, job3) city4) job, age5) age6) city

Let's take a look at some explanations of the 2005 help: Aggregate Function. When a row is added by the cube or rollup operator, the output value of the appended column is 1. When a row is not added by the cube or rollup operator, this function will cause the output value of the appended column to be 0. Grouping is allowed only in the selection list associated with the group by clause that contains t

statement:Original Works，when reproduced, please indicate the article fromThe SAP division is tooTechnology Blog ( Bo/guest/Park www.cnblogs.com): Www.cnblogs.com/jiangzhengjun，and indicate the original source of the article in the form of a hyperlink，Otherwise the legal liability will be investigated! Original link: http://www.cnblogs.com/jiangzhengjun/p/4297831.html Try not to put too much detail in the cube (that is, the smaller the dime

Cube operator To use the cube, you first need to understand the group by In fact, the difference between cube and rollup is not very large, but there is a difference between the possible combinations of creating and summarizing groupings based on the GROUP BY clause, The cube will return more possible combinations. If

Tags: xiao ming ima ping App blog src total with imagesThe result set generated by Cube:cube shows aggregations for all combinations of values in the selected column. The result set generated by Rollup:rollup shows the aggregation of a hierarchy of values in the selected column. GROUPING: When a row is added by the cube or ROLLUP operator, the function causes the output value of the additional column to be 1, and when the row is not added by the

Author: I_dovelemonSource: CSDNDate: 2014/10/26Theme: Cube mapping, SkyboxIntroductionIn 3D games, especially in outdoor game scenes, it is often necessary to simulate the effects of the sky. As shown in the following:In this picture, the reader can see that there is a sky in the scene, and no matter how the game character moves in the scene, it cannot be close to the sky. By adding such effects, the game world is more colorful and closer to the real

used in the last select statement, which affects the sorting and counting summary of the final merge results. The f. group by and having clauses can be used in a single select query without affecting the final result. */ -- 2 CUBE summary data /* The result set generated by the CUBE operator is a multi-dimensional dataset. A multi-dimensional dataset is an extension of fact data. Fact data is the data that

About with cube, with rollup and grouping View the help document of SQL 2005 to find the specific difference between cube and rollup.: The result set generated by cube displays the aggregation of all the combinations of the values in the selected column. The result set generated by rollup displays the aggregation of a certain hierarchy of values in the selecte

About the WITH cube, with rollup and grouping The specific differences between cube and ROLLUP are found by looking at the Help documentation for SQL 2005 : Cube produces a result set that shows aggregates for all combinations of values in the selected column. The result set generated by ROLLUP shows the aggregation of a hierarchy of values in the selected colu

In Oracle SQL queries, Oracle provides advanced features that simplify SQL query statements and improve query performance. The usage and differences of Rollup,cube are described below. 1. RollupRollup can calculate subtotals and totals for multiple levels of a specified grouping field in a SELECT statement. The rollup is very easy to use and very efficient.Rollup scans the grouped fields from right to left, gradually creating a higher-level subtotal.

About with cube, with rollup and grouping View the help document of SQL 2005 to find the specific difference between CUBE and ROLLUP.: The result set generated by CUBE displays the aggregation of all the combinations of the values in the selected column. The result set generated by ROLLUP displays the aggregation of a certain hierarchy of values in the selected c

Because ice is a kind of transparent special matter, not only the light through the refraction phenomenon, and the edge of the ice will produce a frost-like phenomenon, so many people think that the use of Photoshop to achieve Ice cube effect will be difficult. In fact, using Photoshop7.0 can easily achieve this effect. Here is a step-by-step guide to learn to use PS to make Ice Cube effect. Figure 1 1. Op

Tags: Rollup into ODA COM combination SDN relationship red statisticOriginal address: http://blog.csdn.net/u014558001/article/details/42387929 This article mainly explains the main usages of ROLLUP, CUBE, GROUPING sets, which can be understood as the thin usage of the GROUPBY packet function encapsulation, which is equivalent to the combination of multiple union all, but more efficient than the multiple union all. In fact, these functions in the time

Material map First step: Create a 800*600 file. New layer Fill white, select Filter > Render > 3D transform selection, select Cube tool pull out a cube, not suitable for direct selection tool to adjust slightly. (CS version does not have 3D transform, the reader can copy and paste 3D transform files inside 7.0 to CS version "Plug-ins > Filters folder") Create a new 800*600 file Th

Requirement Output 1 ~ The Natural Number of n² constitutes a cube array.STEP 1 What is cube? Cube array, also known as "Landscape Chart" in ancient times, refers to the composition elements of natural numbers 1, 2... N × n square matrix of n2, where each element value is not equal, and the sum of n elements in each row, column, and primary and secondary diagonal

Rollup is an extension of group by, which performs subtotal and total operations. cube contains rollup, which is a more granular subtotal and total. When there is only one field, rollup and CuBE are the same. You can use grouping to test rollup and Cube: 0; 1. do not view [view indicates that the column is displayed; otherwise, it indicates that the column is no

My old classmates created a software company with rich oil. When he arrived in the city today, he immediately called me: "Okay? I am here to recruit graduates from college. I will stay for five days. My buddy will take this opportunity to gather together and I will be a job in the East ."Now that he wants to do something east,Of course, I'm taking it for granted.He came to his hotel and saw a college student standing in front of him for an interview. My old classmate said, "I have a

I have been playing the cube, and I have always wanted to program it. I finally started today ~ Ideas: 1. divide the cube into six slices (each cube is a cube of 1 × 3 × 3) and use a 5 × 5 char array, W, Y, B, G, respectively, o, r fill array with six letters to represent various colors Example: [] [B] [B] [B] [] B-B

One of the previous articles-the Data warehouse multidimensional data model already provides a brief description of the definition and structure of an overly-dimensional model, as well as the concept of the fact table and the dimension table (Dimension table). Multidimensional data model, as a new logical model, gives the new organization and storage form of data, and the advantage of the analysis is the effective operation and processing based on the model, which is OLAP (On-line Analytical pro