API Reference > imodeljs-backend > ECDb > ECDbOpenMode ECDbOpenMode Enumeration Modes for how to open ECDb files. Members Name Value Description Readonly 0 ReadWrite 1 FileUpgrade 2 Opens the file read-write and upgrades the file if necessary to the latest file format version. Defined in core/backend/src/ECDb.ts Line 24 Last Updated: 11 June, 2024