Relational Database Programming by Stefan Ardeleanu

Author:Stefan Ardeleanu
Language: eng
Format: epub
Publisher: Apress, Berkeley, CA

Here is reporting activity where the reports are set per language and the data is divided per language. The examples want to illustrate a style, and this style is recommended for databases in general, but specifically for a replication system, a data migration system, or a data warehouse system.

Sample of the Data

Let’s see the initial data . It will be used in most of the examples in this book. For anyone working in databases, such as programmers, analysts, or testers, the data should have a strong relevancy. The business reflects in the data. Any database design should be associated with some samplings.

Table 5-1 lists counties, Table 5-2 contains a sampling of languages, and Table 5-3 contains some common data in an association table. The data is highly normalized and will implement a many-to-many relationship between countries and languages, which is the reason for the association table, Countries_Languages (see the design in Listing 5-1).Table 5-1.Sample Country Values

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