# Limitations on identifier length

The following table lists limitations on identifier lengths in Derby.

Table 1. Identifier length limitations
Identifier | Maximum Number of Characters Allowed
--- | ---
Constraint name | 128
Correlation name | 128
Cursor name | 128
Data source column name | 128
Data source index name | 128
Data source name | 128
Savepoint name | 128
Schema name | 128
Unqualified column name | 128
Unqualified function name | 128
Unqualified index name | 128
Unqualified procedure name | 128
Parameter name | 128
Unqualified trigger name | 128
Unqualified table name, view name, stored procedure name | 128

Parent topic: Derby limitations
Related reference
Limitations for database values
DATE, TIME, and TIMESTAMP limitations
Numeric limitations
String limitations
XML limitations