Using Index Guidelines

If an index includes only one field, use the field name as the index name: for example, Address Number.

If an index includes two fields, list them consecutively: for example, Address Number, Line Number ID.

If an index includes more than two fields, and the first two fields are the same as the first two fields of another index, list the first two fields and follow them by an alpha character: for example, Address Number, Line Number, A. Place a comma and space between each index field and between the last index field and the alpha character. Do not include more than 10 fields in an index.

The total length of the index name cannot exceed 19 characters. If you exceed 19 characters, the compiler displays a warning. This situation affects fetches that use the wrong index ID in business functions.