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By using relationships, the duplication required can be lessened or eliminated completely.
For example, the fleet database could be created with a single table containing all employees and the details of the vehicle that they drive.
This section describes some of the key terminology that should be understood before continuing with the tutorial.
A database is simply a place to store and process structured information.Microsoft: Maximum Capacity Specifications for SQL Server Yahoo Computers and Internet Microsoft's T-SQL is compliant with just the Entry Level of the SQL-92 ANSI (American National Standards Institute) standard, and not all features of the Intermediate and Full Levels of SQL-92.Stored procedures are not part of the ANSI SQL standard.For example, in a database designed to hold fleet information you may include a table of employees and a table of vehicles.These two types of structured data would be held separately as they hold fundamentally different information.