I\'m about to create 2 new SQL Server databases for our开发者_运维技巧 data warehouse: Datawarehouse - where the data is stored
I have an C# application that performance ETL process. For self referencing table, the application will run \"ALTER TABLE [tableName] NOCHECK CONSTRAINT [constraintName]\" which turns off any FK const
When building data marts for reporting purposes (using dimensional modelling), what dat开发者_StackOverflow中文版a types should I use for decimal measure values (for fast operations)? Numeric, decimal
How are dimensional models used different in the two approaches to data warehousing? I understand that a data warehouse created using the bottom-u开发者_开发知识库p approach has data marts as the bu
On one server there are more than 20 databases with identical structure but different data. I need to collect some of the data (the same queries) from all databases and store in new database which is
I have several billion rows of data in CSV files. Each row can have anything from 10 to 20 columns. I want to use COPY FROM to load the data into a table containing 20 columns. If a specific CSV row o
So I\'ve got a MySQL database for an web community that is a potential stats goldmine. Currently I\'m serving stats built via all sorts of nasty queries on my well-normalized database. I\'ve run into
I have a user content website with some business functionality. All tables are in 1 database. Now I am adding analytic with in dept reporting based on the activity and user log tables - breaking it do
Jumping from article to article, I can see everywhere the expression \"bulk loading\". What does it really (technic开发者_运维知识库ally) mean?
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