Identifiers are database object names, such as server names, columns names, and table names. Limits on lengths of identifiers have been increased to 255 bytes. For example, the length of CS_MAX_NAME is now 255 bytes. However, limits on login names and passwords remain at 30 bytes.
For more information on large identifiers, see these documents:
Open Client 15.0 Client-Library/C Programmer’s Guide
Open Client 15.0 Client-Library/C Reference Manual
Open Server 15.0 Server-Library/C Reference Manual
