modify structure

modify structure

[′mäd·ə‚fī ‚strək·chər] (computer science) A statement in a database language that allows changes to be made in the structure of the records in a file.

modify structure

A database command that changes a file's structure. Field/column widths and names can be changed, and fields/columns can be added or deleted. It may convert the old data file into the new structure without data loss, unless fields have been truncated or deleted.