How do I integrate multiple databases into one?

Question

Merge Multiple Databases into a Single Database Create several smaller databases containing the core data tables. Merge the smaller databases into a single larger database. Build the schema/add the relevant constraints.

How would you integrate multiple data sources and databases into one system?

Use the Data Services Palette to add physical and logical data service functions to a logical data service, thereby accessing data from multiple sources. Join data services by connecting source elements, thereby integrating data from multiple sources. Use the Expression Builder to define a parameterized where clause.

Can you join across two databases?

SQL Server allows you to join tables from different databases as long as those databases are on the same server. The join syntax is the same; the only difference is that you must fully specify table names.

Can databases be connected to each other?

A pool of database connections can be created and then shared among the applications that need to access the database. The connection object obtained from the connection pool is often a wrapper around the actual database connection.

Is it better to have one database or multiple databases?

Good reasons to create separate databases would be to support different availability requirements or simplify administration. For example if your databases require very different backup schedules or different recovery models. Another reason would be if you may want to run them on different instances.

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