By default, GBase 8a does not accept Chinese characters for database, table, or column names. To enable this, you must turn on a specific system parameter — gcluster_extend_ident .

The Parameter

Name : gcluster_extend_ident

Default : 0 (disabled)

Values : 1 or ON

Effect : Allows Chinese characters in identifier names. Database names can contain up to 48 Chinese characters, and table names up to 21 .

Why It's Disabled by Default

This is not a technical limitation but a deliberate design choice that prioritizes stability, maintainability, and global compatibility.

Key Reasons

Character set and collation complexity : Chinese characters involve UTF8, GBK, UTF8MB4, etc.…