shuijian-xu hive issues

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fine-grained access controls?

#120 shuijian-xu opened 5 years ago
1
double-spending problem？

#119 shuijian-xu opened 5 years ago
3
different requirements with respect to the grain of time

#118 shuijian-xu opened 5 years ago
2
Take for the moment the rules for dimensional models: These are what we will use to model customer behavior in the GCM.

#117 shuijian-xu opened 5 years ago
1
DOT MODELING

#116 shuijian-xu opened 5 years ago
1
Causality？

#115 shuijian-xu opened 5 years ago
5
Retrospection = permanent for attributes means ？

#114 shuijian-xu opened 5 years ago
1
Retrospection = false for attributes ？

#113 shuijian-xu opened 5 years ago
1
Retrospection = true for attributes ？

#112 shuijian-xu opened 5 years ago
1
Retrospection = permanent ？

#111 shuijian-xu opened 5 years ago
1
Retrospection = false for entities ？

#110 shuijian-xu opened 5 years ago
1
Retrospection = true for entities ？

#109 shuijian-xu opened 5 years ago
1
Retrospection = permanent for relationships？

#108 shuijian-xu opened 5 years ago
1
Retrospection = true for relationships ？

#107 shuijian-xu opened 5 years ago
2
Retrospection = false for relationships ？

#106 shuijian-xu opened 5 years ago
1
Why the lifespan of each relationship must be recorded and kept？

#105 shuijian-xu opened 5 years ago
2
retrospection of the component？

#104 shuijian-xu opened 5 years ago
1
dimensional attributes？

#103 shuijian-xu opened 5 years ago
2
dimension browsing？

#102 shuijian-xu opened 5 years ago
0
The time attribute will be used in two ways？

#101 shuijian-xu opened 5 years ago
4
slowly changing dimensions can cause the database to have to generate hundreds or thousands of extraneous new records to be inserted when dealing with simple hierarchies that exist in all organizations. How？

#100 shuijian-xu opened 5 years ago
1
Of the customers we lost, how many change their address, tariff, or employer in the previous 12 months ? Was there a price increase?

#99 shuijian-xu opened 5 years ago
0
Of the customer we lost in the last year, how many had been customers for a continuous period of more than 2 years?

#98 shuijian-xu opened 5 years ago
0
Howm many customers did we have at the end of 2000, 1999, 1998?

#97 shuijian-xu opened 5 years ago
0
How many customers did the Wine Club have at the end of 2000?

#96 shuijian-xu opened 5 years ago
0
how many of the customers of the Wine Club had been customers for more than a year before leaving during 2001？

#95 shuijian-xu opened 5 years ago
0
How to determine length of time that a customer had resided at the same address？

#94 shuijian-xu opened 5 years ago
0
slowly changing hierarchies？

#93 shuijian-xu opened 5 years ago
0
slowly changing dimensions ？

#92 shuijian-xu opened 5 years ago
0
three methods of tracking changes to dimensional attributes with respect to time？

#91 shuijian-xu opened 5 years ago
3
referential integrity violation？

#90 shuijian-xu opened 5 years ago
3
Problems Involving Time？

#89 shuijian-xu opened 5 years ago
7
Behavior and Circumstances？

#88 shuijian-xu opened 5 years ago
1
The Time Dimension ？

#87 shuijian-xu opened 5 years ago
1
How to to distinguish between the orders placed by the customer while resident at the first address from the orders placed since moving to the new address?

#86 shuijian-xu opened 5 years ago
1
Operational data VS supporting data？

#85 shuijian-xu opened 5 years ago
1
VALID TIME AND TRANSACTION TIME？

#84 shuijian-xu opened 5 years ago
4
THE ROLE OF TIME ？

#83 shuijian-xu opened 5 years ago
2
OLTP VS OLAP？

#82 shuijian-xu opened 5 years ago
1
what happens to the warehouse when changes occur in the source systems？

#81 shuijian-xu opened 5 years ago
1
How to add new derived segments without involving the database administrators too much？

#80 shuijian-xu opened 5 years ago
1
Why three-tier approach have returned？

#79 shuijian-xu opened 5 years ago
1
the Conceptual/Logical/Physical Trilogy?

#78 shuijian-xu opened 5 years ago
1
Why the difference between customers' circumstances and their behavior is important?

#77 shuijian-xu opened 5 years ago
4
WHAT WORKS FOR CRM？

#76 shuijian-xu opened 5 years ago
0
When is it a data warehouse and when is it a data mart?

#75 shuijian-xu opened 5 years ago
2
How customer are organized?

#74 shuijian-xu opened 5 years ago
1
What Is Data Normalization?

#73 shuijian-xu opened 5 years ago
1
Components of first generation data warehouse.

#72 shuijian-xu opened 5 years ago
1
Why The data warehouse is almost always kept separate from the application databases ？

#71 shuijian-xu opened 5 years ago
1