what is star schema in data warehouse

)This is the magic of data structures.So what is an algorithm? This can only be forced to continue the analogy. I want to learn Kung fu. After I entered the book Room of martial Arts cheats, I ran out with a lot of books. Open a look, there is a dragon 18 palm, nine Yin Cano

When an insert statement is used, what data needs to be enclosed by quotation marks and what data does not need to be enclosed by quotation marks?Create Database mydbUse mydbCreate Table customer_data(Customer_id smallint,First_name char (20 ),Last_name char (20 ),Phone char

A sentence to understand what is called data structure and algorithm, try to let people who do not understand the program can understand This issue has been closed due to non-development-related issues directly Reply content: A sentence to understand what is called

What is the server used? Can data be saved? So what is the difference with the database? For example, the user's profile picture is stored on the server. I don't know what the server

problem, first gathers to the entire customer, the customer groups in the respective aggregation, then to each different aggregation, answers the question, may the effect is better."· Description and visualization (Des cription and visualization)is how data mining results are represented.Association rules in Data mini

-topic to this side, the following into the subject, today mainly want to talk about the concept of data mining and some of the content of the data, relatively speaking, the theoretical content is too much, but deepen the understanding of these things will let you do data mining more purposeful. =======================

What is the impact of the region chain structure on the data center? The impact is good or bad !, Regional data center With the emergence of distributed data center networks, their boundaries are getting closer and closer to the

In a php file, I define two forms. when the first form is submitted, the second form is generated. after the second form is submitted, the data of the first form cannot be obtained, what should I do? Form php submit transfer data

problem domains that can be handled are very limited relative to the diversity of application requirements that big data faces.Database and the concept of data Warehouse, you can google a bit, and then we look at the relationship between them:1) database and Data Warehouse

, the problem domains that can be handled are very limited relative to the diversity of application requirements that big data faces. Database and the concept of data Warehouse, you can google a bit, and then we look at the relationship between them:1) database and Data Warehouse