tableau server data sources

Six methods of data Movement for SQL Server 7.0 databases I am engaged in the work of the database administrator, to maintain a number of servers in the database, often a server in a database to move to another server, some experience in the movement of data, hoping to commu

, to tell you a new data a property trend.There are many models of data mining, such as Bayesian, Time series, association rules and so on, which can be applied to different model algorithms according to different problem characteristics. For example, this article refers to the product recommendation, is typically suitable for the use of association rules to solve. Typical beer and diaper problems in

step because I do not have a standardized original database or standardized business requirements. I just used the STAR MODEL AND snowflake model to create several typical data warehouse tables. The table relationships are as follows: WindowFactFor fact tables,Time,Address,DetailTime Dimension, address dimension, detailed address dimension,DetailAgainAddress. They form a snowflake model. All of them have part of the

Label:Introduction SQL Server 2008 introduces CDC (Change Data Capture), which can record:1. What data lines have changed2. The history of data row changes, not just the final value.It implements asynchronous change tracking (like transactional replication) through the job, compared to the Tracking CT, which is impleme

table, we take the order number and connect to the dimension table to obtain the product name and price information. Create the following query: Select F. [salesordernumber] as [ordernumber] , Coalesce (P. [modelname], p. [englishproductname]) as [model] , F. extendedamount as amount From [DBO]. [factinternetsales] F Inner join [DBO]. [dimproduct] P on F. [productkey] = P. [productkey] This query connects the fact table and dimension table to generate data