## Databases overview

Though there are hundreds of Database Management Systems (DBMS) available, Seagate Crystal Reports eliminates many of the differences once it connects to the actual database files. The process of working with database files, tables, fields, and records is much the same, regardless of the actual type of data being accessed.

This section discusses several concepts and tasks common to working with database files. Using database aliases, locating moved or renamed database files, working with indexed tables, and linking tables are subjects common to anyone who designs reports in Seagate Crystal Reports. Using SQL and SQL databases, is especially important for anyone who accesses data in SQL databases and other database formats that are accessed through ODBC.

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