Compact Database is a database utility that will normally be seldom used. Data and graphics elements are maintained by the software, but in certain circumstances this utility can be useful.

When you delete data from a project, such as elements or alternatives, the database store can become fragmented, causing unnecessarily large files, which impact performance. Compacting the database eliminates the empty data records, thereby defragmenting the data store and improving the performance of the file.

Note: Every tenth time a file is saved, Drainage and Utilities will automatically prompt you to compact the database. Click Yes to compact the database, or No to close the prompt dialog box without compacting. Since compacting the database can take time, especially for larger models, you may want to postpone the compact procedure until a later time.