Unit 3

From Compsci1

Additional Database Operations

• - Use input data validation techniques

• - Index a file using multiple fields

• - Change active index

• - Sort a file in ascending and descending order

• - Distinguish between indexing and sorting

• - Sort a database file on multiple fields

• - Query a database using a logical field

• - Print selected mailing labels

Databases

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--mickdemp 16:37, 19 October 2006 (EDT)